{"id":778,"date":"2026-02-23T22:59:06","date_gmt":"2026-02-23T14:59:06","guid":{"rendered":"https:\/\/blog.itsmygo.uk\/2026\/02\/23\/%e3%80%90%e7%b3%bb%e7%b5%b1%e8%a8%ad%e8%a8%88%e7%99%bd%e8%a9%b1%e6%96%87%e3%80%9102-%e8%a8%ad%e8%a8%88%e9%9c%80%e6%b1%82%e8%88%87%e7%b6%b2%e8%b7%af%e5%9f%ba%e7%a4%8e-cap-%e5%ae%9a%e7%90%86\/"},"modified":"2026-02-23T22:59:06","modified_gmt":"2026-02-23T14:59:06","slug":"%e3%80%90%e7%b3%bb%e7%b5%b1%e8%a8%ad%e8%a8%88%e7%99%bd%e8%a9%b1%e6%96%87%e3%80%9102-%e8%a8%ad%e8%a8%88%e9%9c%80%e6%b1%82%e8%88%87%e7%b6%b2%e8%b7%af%e5%9f%ba%e7%a4%8e-cap-%e5%ae%9a%e7%90%86","status":"publish","type":"post","link":"https:\/\/blog.itsmygo.uk\/wordpress\/2026\/02\/23\/%e3%80%90%e7%b3%bb%e7%b5%b1%e8%a8%ad%e8%a8%88%e7%99%bd%e8%a9%b1%e6%96%87%e3%80%9102-%e8%a8%ad%e8%a8%88%e9%9c%80%e6%b1%82%e8%88%87%e7%b6%b2%e8%b7%af%e5%9f%ba%e7%a4%8e-cap-%e5%ae%9a%e7%90%86\/","title":{"rendered":"\u3010\u7cfb\u7d71\u8a2d\u8a08\u767d\u8a71\u6587\u3011#02 \u8a2d\u8a08\u9700\u6c42\u8207\u7db2\u8def\u57fa\u790e \u2014 CAP \u5b9a\u7406\u3001\u5ef6\u9072\u8207\u901a\u8a0a\u5354\u5b9a"},"content":{"rendered":"\n<div id=\"quiz-1c5233bc\">\n<style>\n#quiz-1c5233bc .question {\n        background: white;\n        border-radius: 8px;\n        padding: 20px;\n        margin: 20px 0;\n        box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);\n      }#quiz-1c5233bc .question h3 {\n        margin-top: 0;\n        color: #333;\n      }#quiz-1c5233bc .options {\n        list-style: none;\n        padding: 0;\n      }#quiz-1c5233bc .options li {\n        padding: 12px 15px;\n        margin: 8px 0;\n        border: 2px solid #ddd;\n        border-radius: 6px;\n        cursor: pointer;\n        transition: all 0.2s;\n      }#quiz-1c5233bc .options li:hover:not(.disabled) {\n        border-color: #4caf50;\n        background: #f0fff0;\n      }#quiz-1c5233bc .options li.correct {\n        border-color: #4caf50;\n        background: #e8f5e9;\n      }#quiz-1c5233bc .options li.wrong {\n        border-color: #f44336;\n        background: #ffebee;\n      }#quiz-1c5233bc .options li.disabled {\n        cursor: default;\n        opacity: 0.7;\n      }#quiz-1c5233bc .options li.show-answer {\n        border-color: #4caf50;\n        background: #e8f5e9;\n      }#quiz-1c5233bc .feedback {\n        margin-top: 15px;\n        padding: 12px;\n        border-radius: 6px;\n        display: none;\n      }#quiz-1c5233bc .feedback.correct {\n        background: #e8f5e9;\n        color: #2e7d32;\n        display: block;\n      }#quiz-1c5233bc .feedback.wrong {\n        background: #ffebee;\n        color: #c62828;\n        display: block;\n      }#quiz-1c5233bc .score {\n        text-align: center;\n        font-size: 1.5em;\n        padding: 20px;\n        background: white;\n        border-radius: 8px;\n        margin-top: 20px;\n      }#quiz-1c5233bc .code-block {\n        background: #1e1e1e;\n        color: #d4d4d4;\n        padding: 14px;\n        border-radius: 6px;\n        font-family: \"Monaco\", \"Consolas\", \"Courier New\", monospace;\n        font-size: 0.9em;\n        overflow-x: auto;\n        margin: 12px 0;\n        white-space: pre-wrap;\n      }\n<\/style>\n<h1>\u6e2c\u9a57\uff1a\u8a2d\u8a08\u9700\u6c42\u8207\u7db2\u8def\u57fa\u790e \u2014 CAP \u5b9a\u7406\u3001\u5ef6\u9072\u8207\u901a\u8a0a\u5354\u5b9a<\/h1>\n    <p>\u5171 5 \u984c\uff0c\u9ede\u9078\u7b54\u6848\u5f8c\u6703\u7acb\u5373\u986f\u793a\u7d50\u679c<\/p>\n\n    <div class=\"question\" id=\"q1\">\n      <h3>1. CAP \u5b9a\u7406\u4e2d\u7684\u4e09\u500b\u5b57\u6bcd\u5206\u5225\u4ee3\u8868\u4ec0\u9ebc\uff1f<\/h3>\n      <ul class=\"options\">\n        <li onclick=\"checkAnswer(1, 'A', 'C')\">A. Cache\u3001Authentication\u3001Performance<\/li>\n        <li onclick=\"checkAnswer(1, 'B', 'C')\">B. Concurrency\u3001Availability\u3001Partition Tolerance<\/li>\n        <li onclick=\"checkAnswer(1, 'C', 'C')\">C. Consistency\u3001Availability\u3001Partition Tolerance<\/li>\n        <li onclick=\"checkAnswer(1, 'D', 'C')\">D. Consistency\u3001Accessibility\u3001Partition Tolerance<\/li>\n      <\/ul>\n      <div class=\"feedback\" id=\"fb1\"><\/div>\n    <\/div>\n\n    <div class=\"question\" id=\"q2\">\n      <h3>2. DNS \u7684\u4e3b\u8981\u529f\u80fd\u662f\u4ec0\u9ebc\uff1f<\/h3>\n      <ul class=\"options\">\n        <li onclick=\"checkAnswer(2, 'A', 'B')\">A. \u52a0\u5bc6\u7db2\u8def\u50b3\u8f38\u7684\u8cc7\u6599\uff0c\u4fdd\u8b77\u96b1\u79c1<\/li>\n        <li onclick=\"checkAnswer(2, 'B', 'B')\">B. \u5c07\u4eba\u770b\u5f97\u61c2\u7684\u7db2\u57df\u540d\u7a31\u7ffb\u8b6f\u6210\u96fb\u8166\u770b\u5f97\u61c2\u7684 IP \u4f4d\u5740<\/li>\n        <li onclick=\"checkAnswer(2, 'C', 'B')\">C. \u7ba1\u7406\u4f3a\u670d\u5668\u4e4b\u9593\u7684\u8cc7\u6599\u540c\u6b65<\/li>\n        <li onclick=\"checkAnswer(2, 'D', 'B')\">D. \u76e3\u63a7\u4f3a\u670d\u5668\u7684\u5ef6\u9072\u548c\u541e\u5410\u91cf<\/li>\n      <\/ul>\n      <div class=\"feedback\" id=\"fb2\"><\/div>\n    <\/div>\n\n    <div class=\"question\" id=\"q3\">\n      <h3>3. \u5728\u9ad8\u901f\u516c\u8def\u7684\u6bd4\u55bb\u4e2d\uff0c\u300c\u8eca\u9053\u6578\u300d\u5c0d\u61c9\u5230\u7cfb\u7d71\u8a2d\u8a08\u4e2d\u7684\u54ea\u500b\u6307\u6a19\uff1f<\/h3>\n      <ul class=\"options\">\n        <li onclick=\"checkAnswer(3, 'A', 'D')\">A. \u5ef6\u9072\uff08Latency\uff09<\/li>\n        <li onclick=\"checkAnswer(3, 'B', 'D')\">B. P99 \u56de\u61c9\u6642\u9593<\/li>\n        <li onclick=\"checkAnswer(3, 'C', 'D')\">C. SLA \u767e\u5206\u6bd4<\/li>\n        <li onclick=\"checkAnswer(3, 'D', 'D')\">D. \u541e\u5410\u91cf\uff08Throughput\uff09<\/li>\n      <\/ul>\n      <div class=\"feedback\" id=\"fb3\"><\/div>\n    <\/div>\n\n    <div class=\"question\" id=\"q4\">\n      <h3>4. \u70ba\u4ec0\u9ebc\u4e32\u6d41\u5f71\u7247\u901a\u5e38\u4f7f\u7528 UDP \u800c\u4e0d\u662f TCP\uff1f<\/h3>\n      <ul class=\"options\">\n        <li onclick=\"checkAnswer(4, 'A', 'C')\">A. \u56e0\u70ba UDP \u53ef\u4ee5\u52a0\u5bc6\u8cc7\u6599\uff0cTCP \u4e0d\u884c<\/li>\n        <li onclick=\"checkAnswer(4, 'B', 'C')\">B. \u56e0\u70ba UDP \u4fdd\u8b49\u8cc7\u6599\u6309\u9806\u5e8f\u5230\u9054\uff0c\u89c0\u770b\u9ad4\u9a57\u66f4\u597d<\/li>\n        <li onclick=\"checkAnswer(4, 'C', 'C')\">C. \u56e0\u70ba UDP \u901f\u5ea6\u5feb\uff0c\u6389\u5e7e\u500b\u756b\u9762\u4f7f\u7528\u8005\u611f\u89ba\u4e0d\u5230\uff0c\u4f46\u7528 TCP \u91cd\u50b3\u6389\u843d\u5c01\u5305\u6703\u9020\u6210\u5361\u9813<\/li>\n        <li onclick=\"checkAnswer(4, 'D', 'C')\">D. \u56e0\u70ba UDP \u6709\u4e09\u6b21\u63e1\u624b\u6a5f\u5236\uff0c\u9023\u7dda\u66f4\u7a69\u5b9a<\/li>\n      <\/ul>\n      <div class=\"feedback\" id=\"fb4\"><\/div>\n    <\/div>\n\n    <div class=\"question\" id=\"q5\">\n      <h3>5. \u4e00\u500b\u9280\u884c\u4ea4\u6613\u7cfb\u7d71\u5728\u7db2\u8def\u5206\u5340\u767c\u751f\u6642\uff0c\u9078\u64c7\u62d2\u7d55\u670d\u52d9\u4e5f\u4e0d\u5141\u8a31\u8cc7\u6599\u4e0d\u4e00\u81f4\u3002\u9019\u500b\u7cfb\u7d71\u5c6c\u65bc CAP \u4e2d\u7684\u54ea\u7a2e\u985e\u578b\uff1f\u70ba\u4ec0\u9ebc\uff1f<\/h3>\n      <ul class=\"options\">\n        <li onclick=\"checkAnswer(5, 'A', 'B')\">A. AP \u7cfb\u7d71 \u2014 \u56e0\u70ba\u5b83\u512a\u5148\u4fdd\u8b49\u53ef\u7528\u6027\uff0c\u8b93\u4f7f\u7528\u8005\u96a8\u6642\u80fd\u64cd\u4f5c<\/li>\n        <li onclick=\"checkAnswer(5, 'B', 'B')\">B. CP \u7cfb\u7d71 \u2014 \u56e0\u70ba\u5b83\u5be7\u53ef\u66ab\u6642\u4e0d\u80fd\u7528\uff0c\u4e5f\u8981\u78ba\u4fdd\u8cc7\u6599\u4e00\u81f4\u6027<\/li>\n        <li onclick=\"checkAnswer(5, 'C', 'B')\">C. CA \u7cfb\u7d71 \u2014 \u56e0\u70ba\u9280\u884c\u4e0d\u5141\u8a31\u7db2\u8def\u5206\u5340\u767c\u751f<\/li>\n        <li onclick=\"checkAnswer(5, 'D', 'B')\">D. CP \u7cfb\u7d71 \u2014 \u56e0\u70ba\u5b83\u512a\u5148\u4fdd\u8b49\u50b3\u8f38\u901f\u5ea6\uff0c\u4f7f\u7528 UDP \u5354\u5b9a<\/li>\n      <\/ul>\n      <div class=\"feedback\" id=\"fb5\"><\/div>\n    <\/div>\n\n    <div class=\"score\" id=\"score\" style=\"display:none;\"><\/div>\n<script>\n\n      let answered = 0;\n      let correct = 0;\n      const total = 5;\n      const explanations = {\n        1: \" CAP \u5b9a\u7406\u7684\u4e09\u500b\u5b57\u6bcd\u5206\u5225\u662f Consistency\uff08\u4e00\u81f4\u6027\uff09\u3001Availability\uff08\u53ef\u7528\u6027\uff09\u3001Partition Tolerance\uff08\u5206\u5340\u5bb9\u932f\u6027\uff09\u3002\u9078\u9805 B \u7684 Concurrency\uff08\u4e26\u767c\u6027\uff09\u548c\u9078\u9805 D \u7684 Accessibility\uff08\u53ef\u53ca\u6027\uff09\u90fd\u4e0d\u662f CAP \u7684\u6b63\u78ba\u5b9a\u7fa9\u3002\",\n        2: \" DNS\uff08Domain Name System\uff09\u7684\u6838\u5fc3\u529f\u80fd\u5c31\u662f\u628a\u4eba\u985e\u5bb9\u6613\u8a18\u4f4f\u7684\u7db2\u57df\u540d\u7a31\uff08\u5982 google.com\uff09\u7ffb\u8b6f\u6210\u96fb\u8166\u4f7f\u7528\u7684 IP \u4f4d\u5740\uff08\u5982 142.250.185.14\uff09\u3002\u5b83\u5c31\u50cf\u7db2\u8def\u4e16\u754c\u7684\u96fb\u8a71\u7c3f\u3002\",\n        3: \" \u6587\u7ae0\u7528\u9ad8\u901f\u516c\u8def\u4f86\u6bd4\u55bb\uff1a\u8eca\u9053\u6578\u4ee3\u8868\u540c\u6642\u80fd\u8dd1\u591a\u5c11\u53f0\u8eca\uff0c\u5c0d\u61c9\u300c\u541e\u5410\u91cf\u300d\uff08\u6bcf\u79d2\u80fd\u8655\u7406\u591a\u5c11\u8acb\u6c42\uff09\uff1b\u800c\u8eca\u7a0b\u6642\u9593\u624d\u662f\u300c\u5ef6\u9072\u300d\uff08\u4e00\u500b\u8acb\u6c42\u591a\u4e45\u5b8c\u6210\uff09\u3002\u52a0\u5bec\u8eca\u9053\u4e0d\u6703\u8b93\u6bcf\u53f0\u8eca\u958b\u66f4\u5feb\uff0c\u9019\u662f\u5169\u500b\u7368\u7acb\u7684\u7dad\u5ea6\u3002\",\n        4: \" \u4e32\u6d41\u5f71\u7247\u7528 UDP \u662f\u56e0\u70ba\u901f\u5ea6\u6bd4\u5b8c\u6574\u6027\u66f4\u91cd\u8981\u3002\u770b\u5f71\u7247\u6642\u6389\u4e00\u5169\u500b\u756b\u9762\u5e7e\u4e4e\u611f\u89ba\u4e0d\u5230\uff0c\u4f46\u5982\u679c\u7528 TCP \u4e0d\u65b7\u91cd\u50b3\u6389\u843d\u7684\u5c01\u5305\uff0c\u53cd\u800c\u6703\u5c0e\u81f4\u5f71\u7247\u5361\u9813\u3002UDP \u6c92\u6709\u4e09\u6b21\u63e1\u624b\uff0c\u4e5f\u4e0d\u4fdd\u8b49\u9806\u5e8f\uff0c\u4f46\u6b63\u56e0\u70ba\u7701\u53bb\u9019\u4e9b\u6b65\u9a5f\u6240\u4ee5\u66f4\u5feb\u3002\",\n        5: \" \u9280\u884c\u4ea4\u6613\u7cfb\u7d71\u9078\u64c7\u5728\u7db2\u8def\u5206\u5340\u6642\u62d2\u7d55\u670d\u52d9\uff08\u72a7\u7272\u53ef\u7528\u6027\uff09\uff0c\u4ee5\u78ba\u4fdd\u8cc7\u6599\u4e0d\u6703\u51fa\u932f\uff08\u4fdd\u6301\u4e00\u81f4\u6027\uff09\uff0c\u9019\u5c31\u662f CP \u7cfb\u7d71\u7684\u7279\u5fb5\u3002\u771f\u5be6\u7db2\u8def\u4e2d\u5206\u5340\uff08P\uff09\u5e7e\u4e4e\u4e00\u5b9a\u6703\u767c\u751f\uff0c\u6240\u4ee5\u5be6\u969b\u7684\u9078\u64c7\u901a\u5e38\u662f\u5728 C \u548c A \u4e4b\u9593\u53d6\u6368\u3002CA \u7cfb\u7d71\u5728\u5206\u6563\u5f0f\u74b0\u5883\u4e2d\u5be6\u969b\u4e0a\u4e0d\u5b58\u5728\uff0c\u56e0\u70ba\u7121\u6cd5\u907f\u514d\u7db2\u8def\u5206\u5340\u3002\"\n      };\n\n      function checkAnswer(qNum, selected, correctAns) {\n        const question = document.getElementById(\"q\" + qNum);\n        if (question.classList.contains(\"answered\")) return;\n\n        question.classList.add(\"answered\");\n        answered++;\n\n        const options = question.querySelectorAll(\".options li\");\n        options.forEach((opt) => {\n          opt.classList.add(\"disabled\");\n          if (opt.textContent.startsWith(correctAns + \".\")) {\n            opt.classList.add(\"show-answer\");\n          }\n        });\n\n        const feedback = document.getElementById(\"fb\" + qNum);\n        if (selected === correctAns) {\n          correct++;\n          feedback.className = \"feedback correct\";\n          feedback.innerHTML = \"&#10003; \u6b63\u78ba\uff01\" + explanations[qNum];\n        } else {\n          feedback.className = \"feedback wrong\";\n          feedback.innerHTML =\n            \"&#10007; \u932f\u8aa4\u3002\u6b63\u78ba\u7b54\u6848\u662f \" + correctAns + \"\u3002\" + explanations[qNum];\n          options.forEach((opt) => {\n            if (opt.textContent.startsWith(selected + \".\")) {\n              opt.classList.add(\"wrong\");\n            }\n          });\n        }\n\n        if (answered === total) {\n          const scoreDiv = document.getElementById(\"score\");\n          scoreDiv.style.display = \"block\";\n          scoreDiv.innerHTML =\n            \"\u6e2c\u9a57\u5b8c\u6210\uff01\u5f97\u5206\uff1a\" +\n            correct +\n            \" \/ \" +\n            total +\n            (correct === total\n              ? \" \u5168\u5c0d\uff01\"\n              : correct >= Math.ceil(total * 0.6)\n                ? \" \u4e0d\u932f\uff01\"\n                : \" \u518d\u8907\u7fd2\u4e00\u4e0b\u5427\");\n        }\n      }\n    \n<\/script>\n<\/div>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">**\u7cfb\u5217**\uff1a\u7cfb\u7d71\u8a2d\u8a08\u767d\u8a71\u6587\uff08\u7b2c 2 \u7bc7\uff0c\u5171 5 \u7bc7\uff09<br>**\u96e3\u5ea6**\uff1aL2-\u9032\u968e<br>**\u524d\u7f6e\u77e5\u8b58**\uff1a\u3010\u7cfb\u7d71\u8a2d\u8a08\u767d\u8a71\u6587\u3011#01 \u96fb\u8166\u67b6\u69cb\u5168\u666f\u5716<br>**\u5f71\u7247\u4f86\u6e90**\uff1afreeCodeCamp \u2014 *System Design Concepts Course and Interview Prep* by Hayk Simonyan<\/p>\n<\/blockquote>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u9019\u7bc7\u5728\u8b1b\u4ec0\u9ebc\uff1f<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e0a\u4e00\u7bc7\u6211\u5011\u770b\u4e86\u55ae\u53f0\u96fb\u8166\u7684\u67b6\u69cb\u3002\u4f46\u771f\u5be6\u4e16\u754c\u7684\u7cfb\u7d71\u4e0d\u6703\u53ea\u6709\u4e00\u53f0\u6a5f\u5668 \u2014 \u5b83\u5011\u662f<strong>\u5206\u6563\u5728\u591a\u53f0\u4f3a\u670d\u5668\u4e0a\u3001\u900f\u904e\u7db2\u8def\u4e92\u76f8\u6e9d\u901a<\/strong>\u7684\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u9019\u7bc7\u8981\u56de\u7b54\u4e00\u500b\u6838\u5fc3\u554f\u984c\uff1a<strong>\u7576\u7cfb\u7d71\u5206\u6563\u5230\u591a\u53f0\u6a5f\u5668\u4e0a\uff0c\u6703\u9047\u5230\u4ec0\u9ebc\u65b0\u554f\u984c\uff1f<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8b80\u5b8c\u5f8c\u4f60\u6703\u770b\u61c2\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n\n<li>\u70ba\u4ec0\u9ebc\u5206\u6563\u5f0f\u7cfb\u7d71\u300c\u4e0d\u53ef\u80fd\u540c\u6642\u8981\u5feb\u3001\u8981\u7a69\u3001\u53c8\u8981\u4e00\u81f4\u300d\uff08CAP \u5b9a\u7406\uff09<\/li>\n\n\n<li>\u300c\u5ef6\u9072\u300d\u548c\u300c\u541e\u5410\u91cf\u300d\u5230\u5e95\u5728\u91cf\u4ec0\u9ebc<\/li>\n\n\n<li>TCP \u548c UDP \u9019\u5169\u500b\u4f60\u4e00\u5b9a\u807d\u904e\u7684\u5354\u5b9a\u5dee\u5728\u54ea<\/li>\n\n\n<li>\u4f60\u5728\u700f\u89bd\u5668\u8f38\u5165\u7db2\u5740\u5f8c\uff0cDNS \u600e\u9ebc\u5e6b\u4f60\u627e\u5230\u4f3a\u670d\u5668<\/li>\n\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e00\u3001CAP \u5b9a\u7406\uff1a\u4e09\u9078\u4e8c\u7684\u6b98\u9177\u73fe\u5be6<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u4e00\u53e5\u8a71\u8aaa\u660e<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u5206\u6563\u5f0f\u7cfb\u7d71\u5728\u300c\u4e00\u81f4\u6027\u3001\u53ef\u7528\u6027\u3001\u5206\u5340\u5bb9\u932f\u300d\u4e09\u500b\u597d\u8655\u88e1\uff0c<strong>\u6700\u591a\u53ea\u80fd\u540c\u6642\u4fdd\u8b49\u5169\u500b<\/strong>\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u4e09\u500b\u540d\u8a5e\u7ffb\u8b6f<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table>\n<thead>\n<tr>\n<th>\u82f1\u6587<\/th>\n<th>\u4e2d\u6587<\/th>\n<th>\u767d\u8a71\u610f\u601d<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>C<\/strong>onsistency<\/td>\n<td>\u4e00\u81f4\u6027<\/td>\n<td>\u4e0d\u7ba1\u554f\u54ea\u53f0\u4f3a\u670d\u5668\uff0c\u62ff\u5230\u7684\u8cc7\u6599\u90fd\u4e00\u6a23<\/td>\n<\/tr>\n<tr>\n<td><strong>A<\/strong>vailability<\/td>\n<td>\u53ef\u7528\u6027<\/td>\n<td>\u4e0d\u7ba1\u4ec0\u9ebc\u6642\u5019\u767c\u8acb\u6c42\uff0c\u7cfb\u7d71\u90fd\u6703\u56de\u61c9<\/td>\n<\/tr>\n<tr>\n<td><strong>P<\/strong>artition Tolerance<\/td>\n<td>\u5206\u5340\u5bb9\u932f\u6027<\/td>\n<td>\u5c31\u7b97\u4f3a\u670d\u5668\u4e4b\u9593\u65b7\u7dda\u4e86\uff0c\u7cfb\u7d71\u9084\u662f\u80fd\u904b\u4f5c<\/td>\n<\/tr>\n<\/tbody>\n<\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">\u7528\u9280\u884c ATM \u7684\u4f8b\u5b50\u79d2\u61c2<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u60f3\u50cf\u4f60\u6709\u4e00\u500b\u9280\u884c\u5e33\u6236\uff0c\u5b58\u4e86 10,000 \u5143\u3002\u9019\u500b\u9280\u884c\u5728\u53f0\u5317\u548c\u9ad8\u96c4\u5404\u6709\u4e00\u53f0 ATM\uff0c\u5169\u53f0\u7684\u8cc7\u6599\u8981\u4fdd\u6301\u540c\u6b65\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u6b63\u5e38\u60c5\u6cc1<\/strong>\uff1a\u4f60\u5728\u53f0\u5317 ATM \u9818\u4e86 3,000 \u5143\uff0c\u5169\u53f0 ATM \u99ac\u4e0a\u540c\u6b65\uff0c\u9918\u984d\u90fd\u986f\u793a 7,000 \u5143\u3002\u4e09\u500b\u597d\u8655\u5168\u90fd\u6709\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u4f46\u5982\u679c\u53f0\u5317\u548c\u9ad8\u96c4\u7684\u7db2\u8def\u65b7\u4e86\u5462\uff1f<\/strong>\uff08\u9019\u5c31\u662f\u300c\u5206\u5340\u300d\u767c\u751f\u4e86\uff09<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u9019\u6642\u9280\u884c\u53ea\u6709\u5169\u500b\u9078\u64c7\uff1a<\/p>\n\n\n<div class=\"cbc-code-wrapper\"><div class=\"cbc-code-bar\"><button class=\"cbc-copy-button\">Copy<\/button><\/div><pre class=\"wp-block-code\"><span><code class=\"hljs\">\u9078\u9805 A\uff1a\u9078\u4e00\u81f4\u6027\uff08CP\uff09\n\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\n\u53f0\u5317 ATM\uff1a\u300c\u7db2\u8def\u65b7\u4e86\uff0c\u6211\u7121\u6cd5\u78ba\u8a8d\u8cc7\u6599\u662f\u5426\u6700\u65b0\uff0c\n          \u6240\u4ee5\u6211\u62d2\u7d55\u8b93\u4f60\u9818\u9322\u3002\u300d\n\u7d50\u679c\uff1a\u8cc7\u6599\u4e00\u5b9a\u6b63\u78ba\uff0c\u4f46\u4f60\u7528\u4e0d\u4e86 \u2192 \u72a7\u7272\u53ef\u7528\u6027\n\n\u9078\u9805 B\uff1a\u9078\u53ef\u7528\u6027\uff08AP\uff09\n\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\n\u53f0\u5317 ATM\uff1a\u300c\u7db2\u8def\u65b7\u4e86\uff0c\u4f46\u6211\u9084\u662f\u8b93\u4f60\u9818\u9322\u3002\n          \u7b49\u7db2\u8def\u6062\u5fa9\u518d\u540c\u6b65\u3002\u300d\n\u7d50\u679c\uff1a\u4f60\u96a8\u6642\u53ef\u4ee5\u7528\uff0c\u4f46\u53ef\u80fd\u5169\u53f0\u9918\u984d\u66ab\u6642\u4e0d\u4e00\u6a23 \u2192 \u72a7\u7272\u4e00\u81f4\u6027\n<\/code><\/span><\/pre><\/div>\n\n\n<h3 class=\"wp-block-heading\">\u70ba\u4ec0\u9ebc\u4e0d\u80fd\u4e09\u500b\u90fd\u8981\uff1f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u56e0\u70ba<strong>\u5206\u5340\uff08P\uff09\u5728\u771f\u5be6\u7db2\u8def\u4e2d\u4e00\u5b9a\u6703\u767c\u751f<\/strong> \u2014 \u7db2\u8def\u7dda\u6703\u65b7\u3001\u8def\u7531\u5668\u6703\u639b\u3002\u6240\u4ee5 P \u5e7e\u4e4e\u662f\u5fc5\u9078\u7684\uff0c\u4f60\u771f\u6b63\u5728\u9078\u7684\u662f C \u6216 A\u3002<\/p>\n\n\n<div class=\"cbc-code-wrapper\"><div class=\"cbc-code-bar\"><button class=\"cbc-copy-button\">Copy<\/button><\/div><pre class=\"wp-block-code\"><span><code class=\"hljs\">\u771f\u5be6\u4e16\u754c\u7684\u9078\u64c7\uff1a\n\nCP \u7cfb\u7d71\uff08\u4e00\u81f4\u6027 + \u5206\u5340\u5bb9\u932f\uff09\n\u251c\u2500\u2500 \u9280\u884c\u4ea4\u6613\u7cfb\u7d71 \u2192 \u5be7\u53ef\u66ab\u6642\u4e0d\u80fd\u7528\uff0c\u4e5f\u4e0d\u80fd\u7b97\u932f\u5e33\n\u251c\u2500\u2500 \u5206\u6563\u5f0f\u9396 \u2192 \u8981\u78ba\u4fdd\u540c\u6642\u53ea\u6709\u4e00\u500b\u4eba\u62ff\u5230\u9396\n\u2514\u2500\u2500 \u4f8b\u5b50\uff1aMongoDB\uff08\u9810\u8a2d\uff09\u3001HBase\n\nAP \u7cfb\u7d71\uff08\u53ef\u7528\u6027 + \u5206\u5340\u5bb9\u932f\uff09\n\u251c\u2500\u2500 \u793e\u7fa4\u5a92\u9ad4\u7684\u6309\u8b9a\u6578 \u2192 \u66ab\u6642\u5c11\u986f\u793a\u5e7e\u500b\u8b9a\u6c92\u95dc\u4fc2\n\u251c\u2500\u2500 DNS \u7cfb\u7d71 \u2192 \u5be7\u53ef\u56de\u50b3\u820a\u8cc7\u6599\u4e5f\u4e0d\u8981\u6c92\u56de\u61c9\n\u2514\u2500\u2500 \u4f8b\u5b50\uff1aCassandra\u3001DynamoDB\n<\/code><\/span><\/pre><\/div>\n\n\n<h3 class=\"wp-block-heading\">Vibe Coder \u6aa2\u67e5\u9ede<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u7576\u4f60\u770b\u5230\u67b6\u69cb\u6587\u4ef6\u63d0\u5230 CAP \u6642\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n\n<li>[ ] \u9019\u500b\u7cfb\u7d71\u9078\u7684\u662f CP \u9084\u662f AP\uff1f<\/li>\n\n\n<li>[ ] \u8cc7\u6599\u300c\u66ab\u6642\u4e0d\u4e00\u81f4\u300d\u5c0d\u4f7f\u7528\u8005\u7684\u5f71\u97ff\u5927\u55ce\uff1f\uff08\u91d1\u9322\u4ea4\u6613 vs \u6309\u8b9a\u6578\uff09<\/li>\n\n\n<li>[ ] \u7cfb\u7d71\u7528\u4e86\u4ec0\u9ebc\u6a5f\u5236\u4f86\u8655\u7406\u7db2\u8def\u5206\u5340\u5f8c\u7684\u8cc7\u6599\u540c\u6b65\uff1f<\/li>\n\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e8c\u3001\u541e\u5410\u91cf\u8207\u5ef6\u9072\uff1a\u5169\u500b\u5e38\u88ab\u641e\u6df7\u7684\u6307\u6a19<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u4e00\u53e5\u8a71\u8aaa\u660e<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u5ef6\u9072<\/strong>\u662f\u300c\u4e00\u4ef6\u4e8b\u8981\u591a\u4e45\u624d\u5b8c\u6210\u300d\uff0c<strong>\u541e\u5410\u91cf<\/strong>\u662f\u300c\u540c\u4e00\u6642\u9593\u80fd\u8655\u7406\u591a\u5c11\u4ef6\u4e8b\u300d\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u9ad8\u901f\u516c\u8def\u6bd4\u55bb<\/h3>\n\n\n<div class=\"cbc-code-wrapper\"><div class=\"cbc-code-bar\"><button class=\"cbc-copy-button\">Copy<\/button><\/div><pre class=\"wp-block-code\"><span><code class=\"hljs\">\u5ef6\u9072\uff08Latency\uff09= \u958b\u8eca\u5f9e A \u5230 B \u8981\u591a\u4e45\n                  \u4f8b\uff1a\u53f0\u5317\u5230\u53f0\u4e2d 2 \u5c0f\u6642\n\n\u541e\u5410\u91cf\uff08Throughput\uff09= \u9ad8\u901f\u516c\u8def\u540c\u6642\u80fd\u8dd1\u5e7e\u53f0\u8eca\n                      \u4f8b\uff1a\u56db\u7dda\u9053 = \u6bcf\u5c0f\u6642\u901a\u904e 4,000 \u53f0\u8eca\n<\/code><\/span><\/pre><\/div>\n\n\n<p class=\"wp-block-paragraph\"><strong>\u95dc\u9375\u89c0\u5ff5<\/strong>\uff1a\u52a0\u5bec\u8eca\u9053\uff08\u63d0\u9ad8\u541e\u5410\u91cf\uff09\u4e0d\u6703\u8b93\u6bcf\u53f0\u8eca\u958b\u66f4\u5feb\uff08\u964d\u4f4e\u5ef6\u9072\uff09\u3002\u9019\u662f\u5169\u500b\u7368\u7acb\u7684\u7dad\u5ea6\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u5c0d\u61c9\u5230\u7cfb\u7d71\u8a2d\u8a08<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table>\n<thead>\n<tr>\n<th>\u6307\u6a19<\/th>\n<th>\u8861\u91cf\u4ec0\u9ebc<\/th>\n<th>\u55ae\u4f4d<\/th>\n<th>\u6bd4\u55bb<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Latency\uff08\u5ef6\u9072\uff09<\/td>\n<td>\u4e00\u500b\u8acb\u6c42\u5f9e\u767c\u51fa\u5230\u6536\u5230\u56de\u61c9\u7684\u6642\u9593<\/td>\n<td>\u6beb\u79d2\uff08ms\uff09<\/td>\n<td>\u8eca\u7a0b\u6642\u9593<\/td>\n<\/tr>\n<tr>\n<td>Throughput\uff08\u541e\u5410\u91cf\uff09<\/td>\n<td>\u7cfb\u7d71\u6bcf\u79d2\u80fd\u8655\u7406\u591a\u5c11\u8acb\u6c42<\/td>\n<td>RPS\uff08requests\/sec\uff09<\/td>\n<td>\u8eca\u9053\u6578<\/td>\n<\/tr>\n<\/tbody>\n<\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">\u4f60\u6703\u5728\u6587\u4ef6\u88e1\u770b\u5230\u7684\u5beb\u6cd5<\/h3>\n\n\n<div class=\"cbc-code-wrapper\"><div class=\"cbc-code-bar\"><button class=\"cbc-copy-button\">Copy<\/button><\/div><pre class=\"wp-block-code\" aria-describedby=\"shcb-language-1\" data-shcb-language-name=\"PHP\" data-shcb-language-slug=\"php\"><span><code class=\"hljs language-php\"><span class=\"hljs-comment\"># \u6548\u80fd\u5831\u544a\u5e38\u898b\u683c\u5f0f<\/span>\n\n\u5ef6\u9072\u6307\u6a19\uff1a\n  P50 = <span class=\"hljs-number\">120<\/span>ms     \u2190 <span class=\"hljs-number\">50<\/span>% \u7684\u8acb\u6c42\u5728 <span class=\"hljs-number\">120<\/span>ms \u5167\u5b8c\u6210\uff08\u4e2d\u4f4d\u6578\uff09\n  P95 = <span class=\"hljs-number\">350<\/span>ms     \u2190 <span class=\"hljs-number\">95<\/span>% \u7684\u8acb\u6c42\u5728 <span class=\"hljs-number\">350<\/span>ms \u5167\u5b8c\u6210\n  P99 = <span class=\"hljs-number\">800<\/span>ms     \u2190 <span class=\"hljs-number\">99<\/span>% \u7684\u8acb\u6c42\u5728 <span class=\"hljs-number\">800<\/span>ms \u5167\u5b8c\u6210\n\n\u541e\u5410\u91cf\u6307\u6a19\uff1a\n  \u5e73\u5747 RPS = <span class=\"hljs-number\">15<\/span>,<span class=\"hljs-number\">000<\/span>    \u2190 \u6bcf\u79d2\u8655\u7406 <span class=\"hljs-number\">15<\/span>,<span class=\"hljs-number\">000<\/span> \u500b\u8acb\u6c42\n  \u5cf0\u503c RPS = <span class=\"hljs-number\">42<\/span>,<span class=\"hljs-number\">000<\/span>    \u2190 \u9ad8\u5cf0\u6642\u6bcf\u79d2 <span class=\"hljs-number\">42<\/span>,<span class=\"hljs-number\">000<\/span> \u500b\n<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-1\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">PHP<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">php<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre><\/div>\n\n\n<p class=\"wp-block-paragraph\"><strong>\u70ba\u4ec0\u9ebc\u8981\u770b P95\u3001P99\uff1f<\/strong> \u56e0\u70ba\u5e73\u5747\u503c\u6703\u9a19\u4eba\u3002\u5982\u679c 99% \u7684\u4f7f\u7528\u8005\u7b49 100ms\uff0c\u4f46 1% \u7684\u4f7f\u7528\u8005\u7b49 10 \u79d2\uff0c\u5e73\u5747\u503c\u770b\u8d77\u4f86\u300c\u53ea\u6709 200ms\u300d\uff0c\u4f46\u90a3 1% \u7684\u4eba\u9ad4\u9a57\u5f88\u5dee\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e09\u3001SLO \u8207 SLA\uff1a\u5c0d\u4f7f\u7528\u8005\u7684\u627f\u8afe<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u4e00\u53e5\u8a71\u8aaa\u660e<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>SLO<\/strong> \u662f\u300c\u6211\u5011\u7cfb\u7d71\u8981\u9054\u5230\u7684\u6548\u80fd\u76ee\u6a19\u300d\uff0c<strong>SLA<\/strong> \u662f\u300c\u6211\u5011\u5c0d\u5ba2\u6236\u627f\u8afe\u7684\u6548\u80fd\uff0c\u505a\u4e0d\u5230\u5c31\u8ce0\u9322\u300d\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u540d\u8a5e\u7ffb\u8b6f<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table>\n<thead>\n<tr>\n<th>\u7e2e\u5beb<\/th>\n<th>\u5168\u540d<\/th>\n<th>\u767d\u8a71\u610f\u601d<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>SLI<\/strong><\/td>\n<td>Service Level Indicator<\/td>\n<td>\u5be6\u969b\u91cf\u5230\u7684\u6578\u5b57\uff08\u4f8b\uff1a\u4eca\u5929 uptime \u662f 99.95%\uff09<\/td>\n<\/tr>\n<tr>\n<td><strong>SLO<\/strong><\/td>\n<td>Service Level Objective<\/td>\n<td>\u5718\u968a\u5167\u90e8\u8a2d\u7684\u76ee\u6a19\uff08\u4f8b\uff1a\u6211\u5011\u7684\u76ee\u6a19\u662f 99.9% uptime\uff09<\/td>\n<\/tr>\n<tr>\n<td><strong>SLA<\/strong><\/td>\n<td>Service Level Agreement<\/td>\n<td>\u5beb\u5728\u5408\u7d04\u88e1\u7684\u627f\u8afe\uff08\u4f8b\uff1a\u4f4e\u65bc 99.9% \u5c31\u9000\u8cbb\uff09<\/td>\n<\/tr>\n<\/tbody>\n<\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">99.9% Uptime \u5230\u5e95\u662f\u591a\u5c11\u505c\u6a5f\u6642\u9593\uff1f<\/h3>\n\n\n<div class=\"cbc-code-wrapper\"><div class=\"cbc-code-bar\"><button class=\"cbc-copy-button\">Copy<\/button><\/div><pre class=\"wp-block-code\"><span><code class=\"hljs\">99%    \u7684 uptime = \u6bcf\u5e74\u53ef\u505c\u6a5f 3.65 \u5929     \u2190 \u76f8\u7576\u5bec\u9b06\n99.9%  \u7684 uptime = \u6bcf\u5e74\u53ef\u505c\u6a5f 8.76 \u5c0f\u6642   \u2190 \u5927\u90e8\u5206\u96f2\u7aef\u670d\u52d9\u7684\u6a19\u6e96\n99.99% \u7684 uptime = \u6bcf\u5e74\u53ef\u505c\u6a5f 52.6 \u5206\u9418   \u2190 \u5f88\u56b4\u683c\n99.999%\u7684 uptime = \u6bcf\u5e74\u53ef\u505c\u6a5f 5.26 \u5206\u9418   \u2190 \u96fb\u4fe1\u7b49\u7d1a\uff0c\u6975\u5c11\u7cfb\u7d71\u80fd\u505a\u5230\n<\/code><\/span><\/pre><\/div>\n\n\n<p class=\"wp-block-paragraph\"><strong>\u767d\u8a71\u7ffb\u8b6f<\/strong>\uff1a\u6bcf\u591a\u4e00\u500b 9\uff0c\u96e3\u5ea6\u5c31\u9ad8\u4e00\u500b\u91cf\u7d1a\uff0c\u6210\u672c\u4e5f\u662f\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Vibe Coder \u6aa2\u67e5\u9ede<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u7576\u4f60\u5728\u9078\u96f2\u7aef\u670d\u52d9\u6216\u8b80\u67b6\u69cb\u6587\u4ef6\u6642\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n\n<li>[ ] \u9019\u500b\u670d\u52d9\u7684 SLA \u662f\u5e7e\u500b 9\uff1f<\/li>\n\n\n<li>[ ] SLA \u88e1\u7684\u300c\u53ef\u7528\u6027\u300d\u662f\u600e\u9ebc\u5b9a\u7fa9\u7684\uff1f\uff08\u6709\u4e9b\u670d\u52d9\u7b97\u7684\u662f\u6708\u5e73\u5747\uff0c\u4e0d\u662f\u6bcf\u5206\u9418\uff09<\/li>\n\n\n<li>[ ] \u9055\u53cd SLA \u7684\u88dc\u511f\u662f\u4ec0\u9ebc\uff1f\uff08\u901a\u5e38\u662f\u670d\u52d9\u984d\u5ea6\uff0c\u4e0d\u662f\u73fe\u91d1\uff09<\/li>\n\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u56db\u3001IP \u4f4d\u5740\uff1a\u7db2\u8def\u4e16\u754c\u7684\u9580\u724c\u865f\u78bc<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u4e00\u53e5\u8a71\u8aaa\u660e<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">IP \u4f4d\u5740\u662f\u6bcf\u53f0\u9023\u4e0a\u7db2\u8def\u7684\u88dd\u7f6e\u7684<strong>\u552f\u4e00\u8b58\u5225\u78bc<\/strong>\uff0c\u5c31\u50cf\u9580\u724c\u865f\u78bc\u8b93\u90f5\u5dee\u77e5\u9053\u4fe1\u8981\u9001\u53bb\u54ea\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u5169\u7a2e\u683c\u5f0f<\/h3>\n\n\n<div class=\"cbc-code-wrapper\"><div class=\"cbc-code-bar\"><button class=\"cbc-copy-button\">Copy<\/button><\/div><pre class=\"wp-block-code\" aria-describedby=\"shcb-language-2\" data-shcb-language-name=\"CSS\" data-shcb-language-slug=\"css\"><span><code class=\"hljs language-css\"><span class=\"hljs-selector-tag\">IPv4<\/span>\uff1a203<span class=\"hljs-selector-class\">.0<\/span><span class=\"hljs-selector-class\">.113<\/span><span class=\"hljs-selector-class\">.42<\/span>\n      \u2191 \u56db\u7d44\u6578\u5b57\uff0c\u6bcf\u7d44 0<span class=\"hljs-selector-tag\">-255<\/span>\uff0c\u7528\u9ede\u5206\u9694\n      \u2191 \u7e3d\u5171\u7d04 43 \u5104\u500b\u5730\u5740\uff08\u5df2\u7d93\u4e0d\u5920\u7528\u4e86\uff09\n\n<span class=\"hljs-selector-tag\">IPv6<\/span>\uff1a2001<span class=\"hljs-selector-pseudo\">:0db8<\/span><span class=\"hljs-selector-pseudo\">:85a3<\/span><span class=\"hljs-selector-pseudo\">:0000<\/span><span class=\"hljs-selector-pseudo\">:0000<\/span><span class=\"hljs-selector-pseudo\">:8a2e<\/span><span class=\"hljs-selector-pseudo\">:0370<\/span><span class=\"hljs-selector-pseudo\">:7334<\/span>\n      \u2191 \u516b\u7d44\u5341\u516d\u9032\u4f4d\u6578\u5b57\uff0c\u7528\u5192\u865f\u5206\u9694\n      \u2191 \u5730\u5740\u6578\u91cf\u591a\u5230\u53ef\u4ee5\u7d66\u5730\u7403\u6bcf\u7c92\u6c99\u5b50\u5206\u4e00\u500b\n<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-2\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">CSS<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">css<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre><\/div>\n\n\n<h3 class=\"wp-block-heading\">IP \u5c01\u5305\u7684\u7d50\u69cb\uff08\u77e5\u9053\u5c31\u597d\uff09<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u6bcf\u6b21\u4f60\u7684\u96fb\u8166\u767c\u9001\u8cc7\u6599\u6642\uff0c\u8cc7\u6599\u524d\u9762\u6703\u52a0\u4e0a\u4e00\u500b\u300c\u4fe1\u5c01\u300d\uff08IP \u6a19\u982d\uff09\uff1a<\/p>\n\n\n<div class=\"cbc-code-wrapper\"><div class=\"cbc-code-bar\"><button class=\"cbc-copy-button\">Copy<\/button><\/div><pre class=\"wp-block-code\" aria-describedby=\"shcb-language-3\" data-shcb-language-name=\"CSS\" data-shcb-language-slug=\"css\"><span><code class=\"hljs language-css\">\u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510\n\u2502           <span class=\"hljs-selector-tag\">IP<\/span> \u6a19\u982d               \u2502\n\u2502  \u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510  \u2502\n\u2502  \u2502 \u4f86\u6e90 <span class=\"hljs-selector-tag\">IP<\/span>    \u2502 203<span class=\"hljs-selector-class\">.0<\/span><span class=\"hljs-selector-class\">.113<\/span><span class=\"hljs-selector-class\">.42<\/span>  \u2502  \u2502 \u2190 \u5bc4\u4ef6\u4eba\u5730\u5740\n\u2502  \u2502 \u76ee\u7684 <span class=\"hljs-selector-tag\">IP<\/span>    \u2502 198<span class=\"hljs-selector-class\">.51<\/span><span class=\"hljs-selector-class\">.100<\/span><span class=\"hljs-selector-class\">.1<\/span>  \u2502  \u2502 \u2190 \u6536\u4ef6\u4eba\u5730\u5740\n\u2502  \u2502 <span class=\"hljs-selector-tag\">TTL<\/span>       \u2502 64            \u2502  \u2502 \u2190 \u6700\u591a\u7d93\u904e 64 \u500b\u8def\u7531\u5668\u5c31\u4e1f\u68c4\n\u2502  \u2502 \u5354\u5b9a      \u2502 <span class=\"hljs-selector-tag\">TCP<\/span> \u6216 <span class=\"hljs-selector-tag\">UDP<\/span>    \u2502  \u2502 \u2190 \u7528\u54ea\u7a2e\u65b9\u5f0f\u50b3\u9001\n\u2502  \u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2534\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518  \u2502\n\u251c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2524\n\u2502           \u8cc7\u6599\u5167\u5bb9               \u2502\n\u2502  \uff08\u4f60\u771f\u6b63\u8981\u50b3\u7684\u6771\u897f\uff09              \u2502\n\u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518\n<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-3\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">CSS<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">css<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre><\/div>\n\n\n<p class=\"wp-block-paragraph\"><strong>\u767d\u8a71\u7ffb\u8b6f<\/strong>\uff1aIP \u6a19\u982d\u5c31\u662f\u4fe1\u5c01\u4e0a\u7684\u5bc4\u4ef6\/\u6536\u4ef6\u5730\u5740\uff0c\u8b93\u7db2\u8def\u77e5\u9053\u9019\u5305\u8cc7\u6599\u5f9e\u54ea\u4f86\u3001\u8981\u53bb\u54ea\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e94\u3001TCP vs UDP\uff1a\u5169\u7a2e\u8cc7\u6599\u50b3\u8f38\u65b9\u5f0f<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u4e00\u53e5\u8a71\u8aaa\u660e<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>TCP<\/strong> \u662f\u639b\u865f\u4fe1\uff08\u6162\u4f46\u4fdd\u8b49\u9001\u5230\uff09\uff0c<strong>UDP<\/strong> \u662f\u50b3\u55ae\uff08\u5feb\u4f46\u53ef\u80fd\u6389\uff09\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u5c0d\u7167\u6bd4\u8f03<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table>\n<thead>\n<tr>\n<th>\u7279\u6027<\/th>\n<th>TCP<\/th>\n<th>UDP<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u5168\u540d<\/td>\n<td>Transmission Control Protocol<\/td>\n<td>User Datagram Protocol<\/td>\n<\/tr>\n<tr>\n<td>\u6bd4\u55bb<\/td>\n<td>\u639b\u865f\u4fe1<\/td>\n<td>\u50b3\u55ae<\/td>\n<\/tr>\n<tr>\n<td>\u4fdd\u8b49\u9001\u9054\uff1f<\/td>\n<td>\u662f\uff0c\u6c92\u6536\u5230\u6703\u91cd\u50b3<\/td>\n<td>\u4e0d\u4fdd\u8b49<\/td>\n<\/tr>\n<tr>\n<td>\u8cc7\u6599\u9806\u5e8f\uff1f<\/td>\n<td>\u4fdd\u8b49\u6309\u9806\u5e8f\u5230\u9054<\/td>\n<td>\u4e0d\u4fdd\u8b49\u9806\u5e8f<\/td>\n<\/tr>\n<tr>\n<td>\u901f\u5ea6<\/td>\n<td>\u8f03\u6162\uff08\u6709\u984d\u5916\u78ba\u8a8d\u6b65\u9a5f\uff09<\/td>\n<td>\u8f03\u5feb\uff08\u767c\u4e86\u5c31\u8d70\uff09<\/td>\n<\/tr>\n<tr>\n<td>\u9069\u5408\u5834\u666f<\/td>\n<td>\u7db2\u9801\u3001\u6a94\u6848\u4e0b\u8f09\u3001Email<\/td>\n<td>\u4e32\u6d41\u5f71\u7247\u3001\u904a\u6232\u3001\u8996\u8a0a\u901a\u8a71<\/td>\n<\/tr>\n<\/tbody>\n<\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">TCP \u7684\u4e09\u6b21\u63e1\u624b\uff08\u6700\u5c0f\u7bc4\u4f8b\uff09<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">TCP \u5728\u50b3\u8cc7\u6599\u4e4b\u524d\uff0c\u96d9\u65b9\u8981\u5148\u300c\u63e1\u624b\u300d\u78ba\u8a8d\u5f7c\u6b64\u90fd\u5728\uff1a<\/p>\n\n\n<div class=\"cbc-code-wrapper\"><div class=\"cbc-code-bar\"><button class=\"cbc-copy-button\">Copy<\/button><\/div><pre class=\"wp-block-code\"><span><code class=\"hljs\">\u4f60\u7684\u96fb\u8166                        \u4f3a\u670d\u5668\n    \u2502                             \u2502\n    \u2502\u2500\u2500 1. SYN\uff1a\u300c\u563f\uff0c\u5728\u55ce\uff1f\u300d\u2500\u2500\u2192 \u2502\n    \u2502                             \u2502\n    \u2502\u2190\u2500 2. SYN-ACK\uff1a\u300c\u5728\uff0c\u4f60\u5462\uff1f\u300d\u2502\n    \u2502                             \u2502\n    \u2502\u2500\u2500 3. ACK\uff1a\u300c\u6211\u4e5f\u5728\uff0c\u958b\u59cb\u5427\u300d\u2192\u2502\n    \u2502                             \u2502\n    \u2502\u2190\u2500\u2500\u2500\u2500 \u6b63\u5f0f\u958b\u59cb\u50b3\u8cc7\u6599 \u2500\u2500\u2500\u2500\u2192   \u2502\n<\/code><\/span><\/pre><\/div>\n\n\n<p class=\"wp-block-paragraph\"><strong>\u767d\u8a71\u7ffb\u8b6f<\/strong>\uff1a\u5c31\u50cf\u6253\u96fb\u8a71 \u2014 \u4f60\u5148\u8aaa\u300c\u5582\u300d\uff0c\u5c0d\u65b9\u56de\u300c\u5582\uff0c\u807d\u5230\u4e86\u300d\uff0c\u4f60\u518d\u8aaa\u300c\u597d\uff0c\u6211\u8981\u958b\u59cb\u8b1b\u4e86\u300d\u3002\u78ba\u8a8d\u96d9\u65b9\u90fd\u6e96\u5099\u597d\u4e86\u624d\u958b\u59cb\u8b1b\u6b63\u4e8b\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">UDP\uff1a\u767c\u4e86\u5c31\u8d70<\/h3>\n\n\n<div class=\"cbc-code-wrapper\"><div class=\"cbc-code-bar\"><button class=\"cbc-copy-button\">Copy<\/button><\/div><pre class=\"wp-block-code\"><span><code class=\"hljs\">\u4f60\u7684\u96fb\u8166                        \u4f3a\u670d\u5668\n    \u2502                             \u2502\n    \u2502\u2500\u2500 \u8cc7\u6599 1 \u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2192    \u2502  \u2713 \u6536\u5230\n    \u2502\u2500\u2500 \u8cc7\u6599 2 \u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2192    \u2502  \u2717 \u6389\u4e86\uff08\u6c92\u4eba\u77e5\u9053\uff09\n    \u2502\u2500\u2500 \u8cc7\u6599 3 \u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2192    \u2502  \u2713 \u6536\u5230\n    \u2502\u2500\u2500 \u8cc7\u6599 4 \u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2192    \u2502  \u2713 \u6536\u5230\n<\/code><\/span><\/pre><\/div>\n\n\n<p class=\"wp-block-paragraph\"><strong>\u70ba\u4ec0\u9ebc\u4e32\u6d41\u5f71\u7247\u7528 UDP\uff1f<\/strong> \u56e0\u70ba\u770b\u5f71\u7247\u6642\uff0c\u6389\u4e00\u5169\u500b\u756b\u9762\u4f60\u6839\u672c\u611f\u89ba\u4e0d\u5230\uff0c\u4f46\u5982\u679c\u7528 TCP \u4e00\u76f4\u91cd\u50b3\u6389\u843d\u7684\u5c01\u5305\uff0c\u5f71\u7247\u5c31\u6703\u5361\u9813\u3002<strong>\u5feb\u6bd4\u5b8c\u6574\u66f4\u91cd\u8981<\/strong>\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u4f60\u6703\u5728\u7a0b\u5f0f\u78bc\u88e1\u770b\u5230\u7684\u6a23\u5b50<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u7576 AI \u5e6b\u4f60\u5beb\u7db2\u8def\u7a0b\u5f0f\u6642\uff0c\u4f60\u53ef\u80fd\u6703\u770b\u5230\u9019\u4e9b\uff1a<\/p>\n\n\n<div class=\"cbc-code-wrapper\"><div class=\"cbc-code-bar\"><button class=\"cbc-copy-button\">Copy<\/button><\/div><pre class=\"wp-block-code\" aria-describedby=\"shcb-language-4\" data-shcb-language-name=\"PHP\" data-shcb-language-slug=\"php\"><span><code class=\"hljs language-php\">import socket\n\n<span class=\"hljs-comment\"># TCP \u9023\u7dda \u2014 \u770b\u5230 SOCK_STREAM \u5c31\u662f TCP<\/span>\ntcp_socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)\n<span class=\"hljs-comment\">#                                          \u2191 STREAM = \u4e32\u6d41 = TCP<\/span>\n\n<span class=\"hljs-comment\"># UDP \u9023\u7dda \u2014 \u770b\u5230 SOCK_DGRAM \u5c31\u662f UDP<\/span>\nudp_socket = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)\n<span class=\"hljs-comment\">#                                          \u2191 DGRAM = Datagram = UDP<\/span>\n<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-4\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">PHP<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">php<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre><\/div>\n\n\n<p class=\"wp-block-paragraph\"><strong>\u5fc5\u770b\u61c2<\/strong>\uff1a<code>SOCK_STREAM<\/code> = TCP\uff0c<code>SOCK_DGRAM<\/code> = UDP\u3002\u540d\u5b57\u4e0d\u76f4\u89ba\uff0c\u4f46\u51fa\u73fe\u983b\u7387\u5f88\u9ad8\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Vibe Coder \u6aa2\u67e5\u9ede<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u7576\u4f60\u770b\u5230\u7db2\u8def\u76f8\u95dc\u7684\u7a0b\u5f0f\u78bc\u6216\u67b6\u69cb\u6642\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n\n<li>[ ] \u7528\u7684\u662f TCP \u9084\u662f UDP\uff1f\uff08\u770b STREAM \u6216 DGRAM\uff09<\/li>\n\n\n<li>[ ] \u5982\u679c\u662f\u5373\u6642\u61c9\u7528\uff08\u904a\u6232\u3001\u8996\u8a0a\uff09\uff0c\u7528 UDP \u662f\u5408\u7406\u7684<\/li>\n\n\n<li>[ ] \u5982\u679c\u662f\u8981\u4fdd\u8b49\u8cc7\u6599\u5b8c\u6574\uff08API \u547c\u53eb\u3001\u6a94\u6848\u50b3\u8f38\uff09\uff0c\u61c9\u8a72\u7528 TCP<\/li>\n\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u516d\u3001DNS\uff1a\u7db2\u8def\u4e16\u754c\u7684\u96fb\u8a71\u7c3f<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u4e00\u53e5\u8a71\u8aaa\u660e<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">DNS \u628a\u4eba\u770b\u5f97\u61c2\u7684\u7db2\u5740\uff08google.com\uff09\u7ffb\u8b6f\u6210\u96fb\u8166\u770b\u5f97\u61c2\u7684 IP \u4f4d\u5740\uff08142.250.185.14\uff09\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u70ba\u4ec0\u9ebc\u9700\u8981 DNS\uff1f<\/h3>\n\n\n<div class=\"cbc-code-wrapper\"><div class=\"cbc-code-bar\"><button class=\"cbc-copy-button\">Copy<\/button><\/div><pre class=\"wp-block-code\" aria-describedby=\"shcb-language-5\" data-shcb-language-name=\"CSS\" data-shcb-language-slug=\"css\"><span><code class=\"hljs language-css\">\u4f60\u8a18\u5f97\u4f4f\uff1a<span class=\"hljs-selector-tag\">google<\/span><span class=\"hljs-selector-class\">.com<\/span>\n\u4f60\u8a18\u4e0d\u4f4f\uff1a142<span class=\"hljs-selector-class\">.250<\/span><span class=\"hljs-selector-class\">.185<\/span><span class=\"hljs-selector-class\">.14<\/span>\n\n<span class=\"hljs-selector-tag\">DNS<\/span> \u7684\u5de5\u4f5c\uff1a\u5e6b\u4f60\u628a <span class=\"hljs-selector-tag\">google<\/span><span class=\"hljs-selector-class\">.com<\/span> \u7ffb\u8b6f\u6210 142<span class=\"hljs-selector-class\">.250<\/span><span class=\"hljs-selector-class\">.185<\/span><span class=\"hljs-selector-class\">.14<\/span>\n<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-5\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">CSS<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">css<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre><\/div>\n\n\n<h3 class=\"wp-block-heading\">DNS \u89e3\u6790\u6d41\u7a0b\uff08\u5b8c\u6574\u7248\uff09<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u7576\u4f60\u5728\u700f\u89bd\u5668\u8f38\u5165 <code>www.example.com<\/code> \u5f8c\uff0c\u80cc\u5f8c\u767c\u751f\u4e86\u9019\u4e9b\u4e8b\uff1a<\/p>\n\n\n<div class=\"cbc-code-wrapper\"><div class=\"cbc-code-bar\"><button class=\"cbc-copy-button\">Copy<\/button><\/div><pre class=\"wp-block-code\" aria-describedby=\"shcb-language-6\" data-shcb-language-name=\"CSS\" data-shcb-language-slug=\"css\"><span><code class=\"hljs language-css\">\u6b65\u9a5f 1\uff1a\u5148\u67e5\u672c\u6a5f\u5feb\u53d6\n\u4f60\u7684\u96fb\u8166\uff1a\u300c\u6211\u4e4b\u524d\u67e5\u904e <span class=\"hljs-selector-tag\">www<\/span><span class=\"hljs-selector-class\">.example<\/span><span class=\"hljs-selector-class\">.com<\/span> \u55ce\uff1f\u300d\n  \u2192 \u6709\u5feb\u53d6 \u2192 \u76f4\u63a5\u7528\uff0c\u7d50\u675f\n  \u2192 \u6c92\u5feb\u53d6 \u2192 \u7e7c\u7e8c\u5f80\u4e0b\u554f\n\n\u6b65\u9a5f 2\uff1a\u554f <span class=\"hljs-selector-tag\">DNS<\/span> \u905e\u8ff4\u89e3\u6790\u5668\uff08\u901a\u5e38\u662f\u4f60\u7684 <span class=\"hljs-selector-tag\">ISP<\/span> \u6216 8<span class=\"hljs-selector-class\">.8<\/span><span class=\"hljs-selector-class\">.8<\/span><span class=\"hljs-selector-class\">.8<\/span>\uff09\n\u89e3\u6790\u5668\uff1a\u300c\u6211\u77e5\u9053 <span class=\"hljs-selector-tag\">www<\/span><span class=\"hljs-selector-class\">.example<\/span><span class=\"hljs-selector-class\">.com<\/span> \u7684 <span class=\"hljs-selector-tag\">IP<\/span> \u55ce\uff1f\u300d\n  \u2192 \u6709\u5feb\u53d6 \u2192 \u76f4\u63a5\u56de\u8986\n  \u2192 \u6c92\u5feb\u53d6 \u2192 \u5e6b\u4f60\u53bb\u554f\n\n\u6b65\u9a5f 3\uff1a\u554f\u6839\u57df\u540d\u4f3a\u670d\u5668\uff08<span class=\"hljs-selector-tag\">Root<\/span> <span class=\"hljs-selector-tag\">Server<\/span>\uff09\n\u89e3\u6790\u5668\uff1a\u300c<span class=\"hljs-selector-class\">.com<\/span> \u7684\u7ba1\u7406\u8005\u662f\u8ab0\uff1f\u300d\n\u6839\u4f3a\u670d\u5668\uff1a\u300c\u53bb\u554f <span class=\"hljs-selector-class\">.com<\/span> \u9802\u7d1a\u57df\u540d\u4f3a\u670d\u5668\uff0c\u5730\u5740\u662f <span class=\"hljs-selector-tag\">xxx<\/span>\u300d\n\n\u6b65\u9a5f 4\uff1a\u554f <span class=\"hljs-selector-class\">.com<\/span> \u9802\u7d1a\u57df\u540d\u4f3a\u670d\u5668\uff08<span class=\"hljs-selector-tag\">TLD<\/span> <span class=\"hljs-selector-tag\">Server<\/span>\uff09\n\u89e3\u6790\u5668\uff1a\u300c<span class=\"hljs-selector-tag\">example<\/span><span class=\"hljs-selector-class\">.com<\/span> \u7684\u7ba1\u7406\u8005\u662f\u8ab0\uff1f\u300d\n<span class=\"hljs-selector-tag\">TLD<\/span> \u4f3a\u670d\u5668\uff1a\u300c\u53bb\u554f <span class=\"hljs-selector-tag\">example<\/span><span class=\"hljs-selector-class\">.com<\/span> \u7684\u6b0a\u5a01\u57df\u540d\u4f3a\u670d\u5668\uff0c\u5730\u5740\u662f <span class=\"hljs-selector-tag\">yyy<\/span>\u300d\n\n\u6b65\u9a5f 5\uff1a\u554f\u6b0a\u5a01\u57df\u540d\u4f3a\u670d\u5668\uff08<span class=\"hljs-selector-tag\">Authoritative<\/span> <span class=\"hljs-selector-tag\">Server<\/span>\uff09\n\u89e3\u6790\u5668\uff1a\u300c<span class=\"hljs-selector-tag\">www<\/span><span class=\"hljs-selector-class\">.example<\/span><span class=\"hljs-selector-class\">.com<\/span> \u7684 <span class=\"hljs-selector-tag\">IP<\/span> \u662f\u4ec0\u9ebc\uff1f\u300d\n\u6b0a\u5a01\u4f3a\u670d\u5668\uff1a\u300c\u662f 93<span class=\"hljs-selector-class\">.184<\/span><span class=\"hljs-selector-class\">.216<\/span><span class=\"hljs-selector-class\">.34<\/span>\u300d\n\n\u6b65\u9a5f 6\uff1a\u56de\u50b3\u7d50\u679c\n\u89e3\u6790\u5668\u628a 93<span class=\"hljs-selector-class\">.184<\/span><span class=\"hljs-selector-class\">.216<\/span><span class=\"hljs-selector-class\">.34<\/span> \u56de\u50b3\u7d66\u4f60\u7684\u96fb\u8166\uff0c\n\u4f60\u7684\u96fb\u8166\u628a\u7d50\u679c\u5b58\u9032\u5feb\u53d6\uff0c\u4e0b\u6b21\u5c31\u4e0d\u7528\u518d\u554f\u4e86\u3002\n<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-6\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">CSS<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">css<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre><\/div>\n\n\n<h3 class=\"wp-block-heading\">\u7c21\u5316\u7248\u4e00\u5f35\u5716<\/h3>\n\n\n<div class=\"cbc-code-wrapper\"><div class=\"cbc-code-bar\"><button class=\"cbc-copy-button\">Copy<\/button><\/div><pre class=\"wp-block-code\" aria-describedby=\"shcb-language-7\" data-shcb-language-name=\"CSS\" data-shcb-language-slug=\"css\"><span><code class=\"hljs language-css\">\u4f60\u7684\u700f\u89bd\u5668\n    \u2502\n    \u2502 <span class=\"hljs-selector-tag\">www<\/span><span class=\"hljs-selector-class\">.example<\/span><span class=\"hljs-selector-class\">.com<\/span> \u7684 <span class=\"hljs-selector-tag\">IP<\/span> \u662f\uff1f\n    \u25bc\n<span class=\"hljs-selector-tag\">DNS<\/span> \u905e\u8ff4\u89e3\u6790\u5668\uff08\u4e2d\u9593\u4eba\uff09\n    \u2502\n    \u251c\u2500\u2500\u2192 \u6839\u4f3a\u670d\u5668\uff1a\u300c<span class=\"hljs-selector-class\">.com<\/span> \u53bb\u627e <span class=\"hljs-selector-tag\">TLD<\/span> \u4f3a\u670d\u5668\u300d\n    \u251c\u2500\u2500\u2192 <span class=\"hljs-selector-tag\">TLD<\/span> \u4f3a\u670d\u5668\uff1a\u300c<span class=\"hljs-selector-tag\">example<\/span><span class=\"hljs-selector-class\">.com<\/span> \u53bb\u627e\u6b0a\u5a01\u4f3a\u670d\u5668\u300d\n    \u2514\u2500\u2500\u2192 \u6b0a\u5a01\u4f3a\u670d\u5668\uff1a\u300c<span class=\"hljs-selector-tag\">IP<\/span> \u662f 93<span class=\"hljs-selector-class\">.184<\/span><span class=\"hljs-selector-class\">.216<\/span><span class=\"hljs-selector-class\">.34<\/span>\u300d\n    \u2502\n    \u2502 93<span class=\"hljs-selector-class\">.184<\/span><span class=\"hljs-selector-class\">.216<\/span><span class=\"hljs-selector-class\">.34<\/span>\n    \u25bc\n\u4f60\u7684\u700f\u89bd\u5668 \u2192 \u9023\u7dda\u5230 93<span class=\"hljs-selector-class\">.184<\/span><span class=\"hljs-selector-class\">.216<\/span><span class=\"hljs-selector-class\">.34<\/span>\n<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-7\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">CSS<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">css<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre><\/div>\n\n\n<h3 class=\"wp-block-heading\">\u4f60\u53ef\u4ee5\u5728\u7d42\u7aef\u6a5f\u8a66\u8a66\u770b<\/h3>\n\n\n<div class=\"cbc-code-wrapper\"><div class=\"cbc-code-bar\"><button class=\"cbc-copy-button\">Copy<\/button><\/div><pre class=\"wp-block-code\" aria-describedby=\"shcb-language-8\" data-shcb-language-name=\"CSS\" data-shcb-language-slug=\"css\"><span><code class=\"hljs language-css\"># \u67e5\u8a62\u4e00\u500b\u7db2\u57df\u7684 <span class=\"hljs-selector-tag\">IP<\/span>\uff08\u4f60\u53ef\u4ee5\u76f4\u63a5\u5728\u7d42\u7aef\u6a5f\u8dd1\uff09\n<span class=\"hljs-selector-tag\">nslookup<\/span> <span class=\"hljs-selector-tag\">google<\/span><span class=\"hljs-selector-class\">.com<\/span>\n\n# \u66f4\u8a73\u7d30\u7684\u67e5\u8a62\uff08\u6703\u986f\u793a\u6574\u500b <span class=\"hljs-selector-tag\">DNS<\/span> \u67e5\u8a62\u8def\u5f91\uff09\n<span class=\"hljs-selector-tag\">dig<\/span> <span class=\"hljs-selector-tag\">google<\/span><span class=\"hljs-selector-class\">.com<\/span>\n<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-8\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">CSS<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">css<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre><\/div>\n\n<div class=\"cbc-code-wrapper\"><div class=\"cbc-code-bar\"><button class=\"cbc-copy-button\">Copy<\/button><\/div><pre class=\"wp-block-code\" aria-describedby=\"shcb-language-9\" data-shcb-language-name=\"CSS\" data-shcb-language-slug=\"css\"><span><code class=\"hljs language-css\"># <span class=\"hljs-selector-tag\">nslookup<\/span> \u7684\u8f38\u51fa\u5927\u6982\u9577\u9019\u6a23\uff1a\n<span class=\"hljs-selector-tag\">Server<\/span>:    8<span class=\"hljs-selector-class\">.8<\/span><span class=\"hljs-selector-class\">.8<\/span><span class=\"hljs-selector-class\">.8<\/span>          \u2190 \u4f60\u7528\u7684 <span class=\"hljs-selector-tag\">DNS<\/span> \u4f3a\u670d\u5668\n<span class=\"hljs-selector-tag\">Address<\/span>:   8<span class=\"hljs-selector-class\">.8<\/span><span class=\"hljs-selector-class\">.8<\/span><span class=\"hljs-selector-class\">.8<\/span><span class=\"hljs-selector-id\">#53<\/span>       \u2190 <span class=\"hljs-selector-tag\">DNS<\/span> \u56fa\u5b9a\u7528 <span class=\"hljs-selector-tag\">port<\/span> 53\n\n<span class=\"hljs-selector-tag\">Name<\/span>:      <span class=\"hljs-selector-tag\">google<\/span><span class=\"hljs-selector-class\">.com<\/span>       \u2190 \u4f60\u67e5\u7684\u7db2\u57df\n<span class=\"hljs-selector-tag\">Address<\/span>:   142<span class=\"hljs-selector-class\">.250<\/span><span class=\"hljs-selector-class\">.185<\/span><span class=\"hljs-selector-class\">.14<\/span>   \u2190 \u5c0d\u61c9\u7684 <span class=\"hljs-selector-tag\">IP<\/span> \u4f4d\u5740\n<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-9\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">CSS<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">css<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre><\/div>\n\n\n<h3 class=\"wp-block-heading\">\u6709\u8da3\u7684\u4e8b\u5be6<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">DNS \u67e5\u8a62\u7528\u7684\u662f <strong>UDP<\/strong>\uff08\u4e0d\u662f TCP\uff09\uff0c\u56e0\u70ba\u67e5\u8a62\u5167\u5bb9\u5f88\u5c0f\uff0c\u901f\u5ea6\u6bd4\u53ef\u9760\u6027\u91cd\u8981\u3002\u5982\u679c UDP \u5c01\u5305\u6389\u4e86\uff0c\u700f\u89bd\u5668\u5c31\u518d\u767c\u4e00\u6b21\u67e5\u8a62\u5c31\u597d\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Vibe Coder \u6aa2\u67e5\u9ede<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u7576\u4f60\u90e8\u7f72\u61c9\u7528\u6216\u8a2d\u5b9a\u7db2\u57df\u6642\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n\n<li>[ ] DNS \u8a2d\u5b9a\u6709\u6c92\u6709\u6b63\u78ba\u6307\u5411\u4f60\u7684\u4f3a\u670d\u5668 IP\uff1f<\/li>\n\n\n<li>[ ] DNS \u5feb\u53d6\u7684 TTL\uff08Time To Live\uff09\u662f\u591a\u5c11\uff1f\u6539\u4e86 DNS \u8a18\u9304\u5f8c\u53ef\u80fd\u8981\u7b49\u5feb\u53d6\u904e\u671f\u624d\u751f\u6548<\/li>\n\n\n<li>[ ] \u7528 <code>nslookup<\/code> \u6216 <code>dig<\/code> \u9a57\u8b49 DNS \u662f\u5426\u89e3\u6790\u6b63\u78ba<\/li>\n\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u6574\u7bc7\u91cd\u9ede\u56de\u9867<\/h2>\n\n\n<div class=\"cbc-code-wrapper\"><div class=\"cbc-code-bar\"><button class=\"cbc-copy-button\">Copy<\/button><\/div><pre class=\"wp-block-code\"><span><code class=\"hljs\">\u5fc5\u770b\u61c2\uff08\u6838\u5fc3\u6982\u5ff5\uff09\uff1a\n\nCAP \u5b9a\u7406    \u2192 \u5206\u6563\u5f0f\u7cfb\u7d71\u53ea\u80fd\u4e09\u9078\u4e8c\uff0c\u771f\u5be6\u4e16\u754c\u901a\u5e38\u662f CP \u6216 AP\n\u5ef6\u9072        \u2192 \u4e00\u500b\u8acb\u6c42\u591a\u4e45\u5b8c\u6210\uff08\u770b P95\u3001P99\uff09\n\u541e\u5410\u91cf      \u2192 \u6bcf\u79d2\u80fd\u8655\u7406\u591a\u5c11\u8acb\u6c42\uff08\u770b RPS\uff09\nTCP         \u2192 \u53ef\u9760\u4f46\u6162\uff0c\u7528\u65bc\u7db2\u9801\u548c API\uff08\u770b\u5230 SOCK_STREAM\uff09\nUDP         \u2192 \u5feb\u4f46\u4e0d\u4fdd\u8b49\uff0c\u7528\u65bc\u4e32\u6d41\u548c\u904a\u6232\uff08\u770b\u5230 SOCK_DGRAM\uff09\nDNS         \u2192 \u628a\u7db2\u5740\u7ffb\u8b6f\u6210 IP \u4f4d\u5740\n\n\u77e5\u9053\u5c31\u597d\uff08\u9047\u5230\u518d\u67e5\uff09\uff1a\n\nSLI\/SLO\/SLA \u2192 \u6548\u80fd\u627f\u8afe\u7684\u4e09\u500b\u5c64\u7d1a\nIPv4 vs IPv6 \u2192 \u820a\u7248\u5730\u5740\u5feb\u7528\u5b8c\uff0c\u65b0\u7248\u5f88\u9577\u4f46\u6578\u91cf\u5e7e\u4e4e\u7121\u9650\nIP \u6a19\u982d      \u2192 \u6bcf\u500b\u7db2\u8def\u5c01\u5305\u524d\u9762\u7684\u300c\u4fe1\u5c01\u300d\u8cc7\u8a0a\nDNS \u8a18\u9304\u985e\u578b  \u2192 A\u3001AAAA\u3001CNAME\u3001MX \u7b49\u4e0d\u540c\u7528\u9014\u7684\u8a18\u9304\n<\/code><\/span><\/pre><\/div>\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e0b\u4e00\u7bc7\u9810\u544a<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e0b\u4e00\u7bc7\u6211\u5011\u6703\u9032\u5165<strong>\u61c9\u7528\u5c64\u5354\u5b9a<\/strong> \u2014 HTTP\u3001REST API\u3001WebSocket\uff0c\u9019\u4e9b\u662f\u4f60\u6bcf\u5929\u90fd\u5728\u7528\uff08\u4f46\u4e0d\u4e00\u5b9a\u7406\u89e3\uff09\u7684\u6771\u897f\u3002\u7576\u4f60\u7528 AI \u5beb\u4e00\u500b API\uff0c\u5b83\u56de\u50b3\u7684 200\u3001404\u3001500 \u5230\u5e95\u662f\u4ec0\u9ebc\u610f\u601d\uff1f\u6211\u5011\u4e0b\u7bc7\u898b\u3002<\/p>\n\n\n\n<div id=\"quiz-4377df91\">\n<style>\n#quiz-4377df91 .badge {\n        display: inline-block;\n        padding: 4px 10px;\n        border-radius: 12px;\n        font-size: 0.75em;\n        font-weight: bold;\n        margin-left: 8px;\n      }#quiz-4377df91 .badge.scenario {\n        background: #ebf8ff;\n        color: #2b6cb0;\n      }#quiz-4377df91 .badge.debug {\n        background: #fef3c7;\n        color: #92400e;\n      }#quiz-4377df91 .question-adv {\n        background: white;\n        border-radius: 10px;\n        padding: 24px;\n        margin: 20px 0;\n        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);\n        border-left: 4px solid #ed8936;\n      }#quiz-4377df91 .question-adv h3 {\n        margin-top: 0;\n        color: #2d3748;\n      }#quiz-4377df91 .code-block {\n        background: #1e1e1e;\n        color: #d4d4d4;\n        padding: 14px;\n        border-radius: 6px;\n        font-family: \"Menlo\", \"Monaco\", \"Courier New\", monospace;\n        font-size: 0.9em;\n        overflow-x: auto;\n        margin: 12px 0;\n        white-space: pre-wrap;\n      }#quiz-4377df91 .options-adv {\n        list-style: none;\n        padding: 0;\n      }#quiz-4377df91 .options-adv li {\n        padding: 14px 16px;\n        margin: 10px 0;\n        border: 2px solid #e2e8f0;\n        border-radius: 8px;\n        cursor: pointer;\n        transition: all 0.2s;\n      }#quiz-4377df91 .options-adv li:hover:not(.disabled) {\n        border-color: #ed8936;\n        background: #fffaf0;\n      }#quiz-4377df91 .options-adv li.disabled {\n        cursor: default;\n        opacity: 0.7;\n      }#quiz-4377df91 .options-adv li.show-answer {\n        border-color: #48bb78;\n        background: #f0fff4;\n      }#quiz-4377df91 .options-adv li.wrong {\n        border-color: #fc8181;\n        background: #fff5f5;\n      }#quiz-4377df91 .feedback-adv {\n        margin-top: 16px;\n        padding: 14px;\n        border-radius: 8px;\n        display: none;\n        line-height: 1.6;\n      }#quiz-4377df91 .feedback-adv.correct {\n        background: #f0fff4;\n        color: #276749;\n        display: block;\n      }#quiz-4377df91 .feedback-adv.wrong {\n        background: #fff5f5;\n        color: #c53030;\n        display: block;\n      }#quiz-4377df91 .feedback-adv \n      .score-adv {\n        text-align: center;\n        font-size: 1.4em;\n        padding: 24px;\n        background: white;\n        border-radius: 10px;\n        margin-top: 24px;\n        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);\n      }#quiz-4377df91 .intro {\n        background: #ebf8ff;\n        padding: 16px;\n        border-radius: 8px;\n        margin-bottom: 20px;\n        color: #2c5282;\n      }\n<\/style>\n<h1>\u9032\u968e\u6e2c\u9a57\uff1a\u8a2d\u8a08\u9700\u6c42\u8207\u7db2\u8def\u57fa\u790e \u2014 CAP \u5b9a\u7406\u3001\u5ef6\u9072\u8207\u901a\u8a0a\u5354\u5b9a<\/h1>\n    <div class=\"intro\">\n      <strong>\u6e2c\u9a57\u76ee\u6a19\uff1a<\/strong>\u9a57\u8b49\u4f60\u662f\u5426\u80fd\u5728\u5be6\u969b\u60c5\u5883\u4e2d\u61c9\u7528\u6240\u5b78\u3002<br \/>\n      \u5171 5 \u984c\uff0c\u5305\u542b\u60c5\u5883\u984c\u8207\u932f\u8aa4\u8a3a\u65b7\u984c\u3002\n    <\/div>\n\n    <!-- \u60c5\u5883\u984c 1 -->\n    <div class=\"question-adv\" id=\"qAdv1\">\n      <h3>1. \u4f60\u6b63\u5728\u8a2d\u8a08\u4e00\u500b\u793e\u7fa4\u5a92\u9ad4\u7684\u300c\u6309\u8b9a\u6578\u300d\u529f\u80fd\u3002\u9019\u500b\u7cfb\u7d71\u5206\u6563\u5728\u5168\u7403\u591a\u500b\u8cc7\u6599\u4e2d\u5fc3\u3002\u7522\u54c1\u7d93\u7406\u8981\u6c42\uff1a\u4f7f\u7528\u8005\u6309\u8b9a\u5f8c\uff0c\u5373\u4f7f\u8cc7\u6599\u4e2d\u5fc3\u4e4b\u9593\u66ab\u6642\u65b7\u7dda\uff0c\u9801\u9762\u4e5f\u7d55\u5c0d\u4e0d\u80fd\u986f\u793a\u932f\u8aa4\u3002\u4f60\u6703\u9078\u64c7\u54ea\u7a2e CAP \u7b56\u7565\uff1f <span class=\"badge scenario\">\u60c5\u5883\u984c<\/span><\/h3>\n      <ul class=\"options-adv\">\n        <li onclick=\"checkAnswerAdv(1, 'A', 'B')\">A. CP \u7cfb\u7d71 \u2014 \u78ba\u4fdd\u6240\u6709\u8cc7\u6599\u4e2d\u5fc3\u7684\u6309\u8b9a\u6578\u5b8c\u5168\u4e00\u81f4\uff0c\u65b7\u7dda\u6642\u62d2\u7d55\u986f\u793a<\/li>\n        <li onclick=\"checkAnswerAdv(1, 'B', 'B')\">B. AP \u7cfb\u7d71 \u2014 \u512a\u5148\u4fdd\u8b49\u9801\u9762\u53ef\u7528\uff0c\u5141\u8a31\u4e0d\u540c\u8cc7\u6599\u4e2d\u5fc3\u66ab\u6642\u986f\u793a\u4e0d\u540c\u7684\u6309\u8b9a\u6578<\/li>\n        <li onclick=\"checkAnswerAdv(1, 'C', 'B')\">C. CA \u7cfb\u7d71 \u2014 \u540c\u6642\u4fdd\u8b49\u4e00\u81f4\u6027\u548c\u53ef\u7528\u6027\uff0c\u907f\u514d\u7db2\u8def\u5206\u5340\u767c\u751f<\/li>\n        <li onclick=\"checkAnswerAdv(1, 'D', 'B')\">D. CP \u7cfb\u7d71 \u2014 \u7528 TCP \u4e09\u6b21\u63e1\u624b\u78ba\u4fdd\u8cc7\u6599\u4e2d\u5fc3\u4e4b\u9593\u4e0d\u6703\u65b7\u7dda<\/li>\n      <\/ul>\n      <div class=\"feedback-adv\" id=\"fbAdv1\"><\/div>\n    <\/div>\n\n    <!-- \u60c5\u5883\u984c 2 -->\n    <div class=\"question-adv\" id=\"qAdv2\">\n      <h3>2. \u4f60\u7684 API \u6548\u80fd\u5831\u544a\u986f\u793a\u4ee5\u4e0b\u6578\u64da\u3002PM \u8aaa\u6709\u4f7f\u7528\u8005\u53cd\u6620\u300c\u5076\u723e\u5f88\u6162\u300d\uff0c\u4f46\u5e73\u5747\u56de\u61c9\u6642\u9593\u770b\u8d77\u4f86\u4e0d\u932f\u3002\u4f60\u61c9\u8a72\u91cd\u9ede\u95dc\u6ce8\u54ea\u500b\u6307\u6a19\u4f86\u627e\u51fa\u554f\u984c\uff1f <span class=\"badge scenario\">\u60c5\u5883\u984c<\/span><\/h3>\n      <div class=\"code-block\">\u5ef6\u9072\u6307\u6a19\uff1a\n  P50 = 85ms\n  P95 = 220ms\n  P99 = 4,200ms\n\n\u541e\u5410\u91cf\u6307\u6a19\uff1a\n  \u5e73\u5747 RPS = 12,000<\/div>\n      <ul class=\"options-adv\">\n        <li onclick=\"checkAnswerAdv(2, 'A', 'C')\">A. P50\uff0885ms\uff09\u2014 \u4e2d\u4f4d\u6578\u56de\u61c9\u6642\u9593\u4ee3\u8868\u5927\u90e8\u5206\u4f7f\u7528\u8005\u7684\u9ad4\u9a57<\/li>\n        <li onclick=\"checkAnswerAdv(2, 'B', 'C')\">B. \u5e73\u5747 RPS\uff0812,000\uff09\u2014 \u541e\u5410\u91cf\u4e0d\u8db3\u53ef\u80fd\u5c0e\u81f4\u90e8\u5206\u4f7f\u7528\u8005\u8b8a\u6162<\/li>\n        <li onclick=\"checkAnswerAdv(2, 'C', 'C')\">C. P99\uff084,200ms\uff09\u2014 \u6709 1% \u7684\u8acb\u6c42\u7b49\u4e86\u8d85\u904e 4 \u79d2\uff0c\u9019\u5c31\u662f\u300c\u5076\u723e\u5f88\u6162\u300d\u7684\u4f86\u6e90<\/li>\n        <li onclick=\"checkAnswerAdv(2, 'D', 'C')\">D. P95\uff08220ms\uff09\u2014 5% \u7684\u4f7f\u7528\u8005\u7b49\u8d85\u904e 200ms\uff0c\u9019\u5df2\u7d93\u7b97\u6162\u4e86<\/li>\n      <\/ul>\n      <div class=\"feedback-adv\" id=\"fbAdv2\"><\/div>\n    <\/div>\n\n    <!-- \u60c5\u5883\u984c 3 -->\n    <div class=\"question-adv\" id=\"qAdv3\">\n      <h3>3. \u4f60\u6b63\u5728\u958b\u767c\u4e00\u6b3e\u591a\u4eba\u5373\u6642\u5c0d\u6230\u904a\u6232\u3002\u73a9\u5bb6\u7684\u4f4d\u7f6e\u8cc7\u8a0a\u9700\u8981\u6bcf\u79d2\u66f4\u65b0\u6578\u5341\u6b21\u3002\u5982\u679c\u5076\u723e\u6389\u4e00\u5169\u500b\u4f4d\u7f6e\u66f4\u65b0\uff0c\u73a9\u5bb6\u5e7e\u4e4e\u4e0d\u6703\u5bdf\u89ba\uff0c\u4f46\u5982\u679c\u6709\u660e\u986f\u7684\u5ef6\u9072\u5247\u6703\u56b4\u91cd\u5f71\u97ff\u904a\u6232\u9ad4\u9a57\u3002\u4f60\u61c9\u8a72\u4f7f\u7528\u54ea\u7a2e\u50b3\u8f38\u5354\u5b9a\uff1f <span class=\"badge scenario\">\u60c5\u5883\u984c<\/span><\/h3>\n      <ul class=\"options-adv\">\n        <li onclick=\"checkAnswerAdv(3, 'A', 'D')\">A. TCP \u2014 \u56e0\u70ba\u4fdd\u8b49\u8cc7\u6599\u6309\u9806\u5e8f\u5230\u9054\uff0c\u73a9\u5bb6\u52d5\u4f5c\u4e0d\u6703\u4e82\u8df3<\/li>\n        <li onclick=\"checkAnswerAdv(3, 'B', 'D')\">B. TCP \u2014 \u56e0\u70ba\u4e09\u6b21\u63e1\u624b\u53ef\u4ee5\u78ba\u4fdd\u9023\u7dda\u54c1\u8cea<\/li>\n        <li onclick=\"checkAnswerAdv(3, 'C', 'D')\">C. UDP \u2014 \u56e0\u70ba UDP \u53ef\u4ee5\u52a0\u5bc6\u50b3\u8f38\uff0c\u9069\u5408\u904a\u6232\u7684\u5b89\u5168\u6027\u9700\u6c42<\/li>\n        <li onclick=\"checkAnswerAdv(3, 'D', 'D')\">D. UDP \u2014 \u56e0\u70ba\u901f\u5ea6\u6bd4\u5b8c\u6574\u6027\u91cd\u8981\uff0c\u6389\u4e00\u5169\u500b\u5c01\u5305\u4e0d\u5f71\u97ff\u9ad4\u9a57\uff0c\u4f46 TCP \u7684\u91cd\u50b3\u6a5f\u5236\u6703\u9020\u6210\u5ef6\u9072<\/li>\n      <\/ul>\n      <div class=\"feedback-adv\" id=\"fbAdv3\"><\/div>\n    <\/div>\n\n    <!-- \u932f\u8aa4\u8a3a\u65b7\u984c 1 -->\n    <div class=\"question-adv\" id=\"qAdv4\">\n      <h3>4. \u540c\u4e8b\u66f4\u65b0\u4e86\u7db2\u7ad9\u7684 DNS \u8a18\u9304\uff0c\u5c07\u7db2\u57df\u6307\u5411\u65b0\u7684\u4f3a\u670d\u5668 IP\u3002\u4f46\u66f4\u65b0\u5f8c\u4ed6\u767c\u73fe\u700f\u89bd\u5668\u4ecd\u7136\u9023\u5230\u820a\u4f3a\u670d\u5668\u3002\u4ed6\u5617\u8a66\u4e86\u91cd\u65b0\u6574\u7406\u9801\u9762\u3001\u6e05\u9664\u700f\u89bd\u5668\u5feb\u53d6\uff0c\u4f46\u90fd\u6c92\u7528\u3002\u6700\u53ef\u80fd\u7684\u539f\u56e0\u662f\u4ec0\u9ebc\uff1f <span class=\"badge debug\">\u932f\u8aa4\u8a3a\u65b7<\/span><\/h3>\n      <div class=\"code-block\">$ nslookup mysite.com\nServer:    8.8.8.8\nAddress:   8.8.8.8#53\n\nName:      mysite.com\nAddress:   10.0.0.1      \u2190 \u9019\u662f\u820a\u7684 IP\uff08\u65b0\u7684\u61c9\u8a72\u662f 10.0.0.2\uff09<\/div>\n      <ul class=\"options-adv\">\n        <li onclick=\"checkAnswerAdv(4, 'A', 'B')\">A. DNS \u4f3a\u670d\u5668\u639b\u4e86\uff0c\u7121\u6cd5\u8655\u7406\u65b0\u7684\u8a18\u9304\u66f4\u65b0<\/li>\n        <li onclick=\"checkAnswerAdv(4, 'B', 'B')\">B. DNS \u905e\u8ff4\u89e3\u6790\u5668\uff088.8.8.8\uff09\u7684\u5feb\u53d6\u5c1a\u672a\u904e\u671f\uff0c\u4ecd\u56de\u50b3\u820a\u7684 IP\uff0c\u9700\u8981\u7b49 TTL \u5230\u671f\u624d\u6703\u66f4\u65b0<\/li>\n        <li onclick=\"checkAnswerAdv(4, 'C', 'B')\">C. \u56e0\u70ba DNS \u7528 UDP \u50b3\u8f38\uff0c\u66f4\u65b0\u5c01\u5305\u5728\u50b3\u9001\u9014\u4e2d\u6389\u4e86\uff0c\u9700\u8981\u6539\u7528 TCP<\/li>\n        <li onclick=\"checkAnswerAdv(4, 'D', 'B')\">D. \u7db2\u57df\u7684\u6b0a\u5a01\u4f3a\u670d\u5668\u62d2\u7d55\u4e86\u66f4\u65b0\u8acb\u6c42\uff0c\u9700\u8981\u91cd\u65b0\u63d0\u4ea4<\/li>\n      <\/ul>\n      <div class=\"feedback-adv\" id=\"fbAdv4\"><\/div>\n    <\/div>\n\n    <!-- \u932f\u8aa4\u8a3a\u65b7\u984c 2 -->\n    <div class=\"question-adv\" id=\"qAdv5\">\n      <h3>5. \u4f60\u5728\u770b\u4e00\u6bb5 AI \u751f\u6210\u7684 Python \u7a0b\u5f0f\u78bc\uff0c\u9019\u6bb5\u7a0b\u5f0f\u8981\u5efa\u7acb\u4e00\u500b\u5373\u6642\u5f71\u97f3\u4e32\u6d41\u7684\u9023\u7dda\u3002\u4f60\u89ba\u5f97\u9019\u6bb5\u7a0b\u5f0f\u78bc\u6709\u4ec0\u9ebc\u554f\u984c\uff1f <span class=\"badge debug\">\u932f\u8aa4\u8a3a\u65b7<\/span><\/h3>\n      <div class=\"code-block\">import socket\n\n# \u5efa\u7acb\u5373\u6642\u5f71\u97f3\u4e32\u6d41\u7684\u9023\u7dda\nstream_socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)\nstream_socket.connect((&#8220;streaming.example.com&#8221;, 8080))\n\n# \u958b\u59cb\u50b3\u9001\u5f71\u97f3\u8cc7\u6599&#8230;\nstream_socket.sendall(video_data)<\/div>\n      <ul class=\"options-adv\">\n        <li onclick=\"checkAnswerAdv(5, 'A', 'C')\">A. \u61c9\u8a72\u4f7f\u7528 <code>socket.AF_INET6<\/code> \u800c\u4e0d\u662f <code>socket.AF_INET<\/code>\uff0c\u56e0\u70ba IPv4 \u5730\u5740\u4e0d\u5920\u7528<\/li>\n        <li onclick=\"checkAnswerAdv(5, 'B', 'C')\">B. port 8080 \u4e0d\u9069\u5408\u4e32\u6d41\uff0c\u61c9\u8a72\u6539\u7528\u6a19\u6e96\u7684 port 443<\/li>\n        <li onclick=\"checkAnswerAdv(5, 'C', 'C')\">C. \u5f71\u97f3\u4e32\u6d41\u61c9\u8a72\u4f7f\u7528 <code>SOCK_DGRAM<\/code>\uff08UDP\uff09\u800c\u4e0d\u662f <code>SOCK_STREAM<\/code>\uff08TCP\uff09\uff0c\u56e0\u70ba\u4e32\u6d41\u9700\u8981\u901f\u5ea6\u800c\u975e\u5b8c\u6574\u6027<\/li>\n        <li onclick=\"checkAnswerAdv(5, 'D', 'C')\">D. <code>sendall()<\/code> \u65b9\u6cd5\u4e0d\u9069\u5408\u5927\u91cf\u8cc7\u6599\u50b3\u8f38\uff0c\u61c9\u8a72\u6539\u7528 <code>send()<\/code><\/li>\n      <\/ul>\n      <div class=\"feedback-adv\" id=\"fbAdv5\"><\/div>\n    <\/div>\n\n    <div class=\"score-adv\" id=\"scoreAdv\" style=\"display:none;\"><\/div>\n<script>\n\n      let answeredAdv = 0;\n      let correctAdv = 0;\n      const totalAdv = 5;\n      const explanationsAdv = {\n        1: \" \u6309\u8b9a\u6578\u662f\u5178\u578b\u7684 AP \u7cfb\u7d71\u5834\u666f\u3002\u7522\u54c1\u7d93\u7406\u8981\u6c42\u300c\u9801\u9762\u7d55\u5c0d\u4e0d\u80fd\u986f\u793a\u932f\u8aa4\u300d\uff0c\u9019\u5c31\u662f\u512a\u5148\u4fdd\u8b49\u53ef\u7528\u6027\uff08A\uff09\u3002\u66ab\u6642\u5c11\u986f\u793a\u5e7e\u500b\u8b9a\u5c0d\u4f7f\u7528\u8005\u5f71\u97ff\u5f88\u5c0f\uff0c\u4f46\u9801\u9762\u639b\u6389\u7684\u9ad4\u9a57\u5f88\u5dee\u3002\u9078\u9805 C \u7684 CA \u7cfb\u7d71\u5728\u5206\u6563\u5f0f\u74b0\u5883\u4e2d\u4e0d\u5b58\u5728\uff0c\u56e0\u70ba\u7db2\u8def\u5206\u5340\uff08P\uff09\u4e00\u5b9a\u6703\u767c\u751f\u3002\u9078\u9805 D \u6df7\u6dc6\u4e86 TCP \u548c CAP \u5b9a\u7406\uff0c\u4e09\u6b21\u63e1\u624b\u7121\u6cd5\u907f\u514d\u8cc7\u6599\u4e2d\u5fc3\u4e4b\u9593\u7684\u7db2\u8def\u5206\u5340\u3002\",\n        2: \" \u300c\u5076\u723e\u5f88\u6162\u300d\u7684\u95dc\u9375\u5728 P99\u3002P99 = 4,200ms \u8868\u793a\u6709 1% \u7684\u8acb\u6c42\u8981\u7b49\u8d85\u904e 4 \u79d2\u3002\u96d6\u7136\u6bd4\u4f8b\u770b\u4f3c\u4e0d\u5927\uff0c\u4f46\u5982\u679c\u6bcf\u79d2\u6709 12,000 \u500b\u8acb\u6c42\uff0c\u90a3\u5c31\u662f\u6bcf\u79d2 120 \u500b\u8acb\u6c42\u7b49\u8d85\u904e 4 \u79d2\u3002\u6587\u7ae0\u63d0\u5230\u300c\u5e73\u5747\u503c\u6703\u9a19\u4eba\u300d\uff0cP50 \u53ea\u662f\u4e2d\u4f4d\u6578\uff0c\u770b\u8d77\u4f86 85ms \u5f88\u597d\uff0c\u4f46\u5ffd\u7565\u4e86\u5c3e\u7aef\u5ef6\u9072\u3002\u541e\u5410\u91cf\uff08RPS\uff09\u8861\u91cf\u7684\u662f\u7cfb\u7d71\u80fd\u8655\u7406\u591a\u5c11\u8acb\u6c42\uff0c\u8ddf\u500b\u5225\u8acb\u6c42\u7684\u56de\u61c9\u901f\u5ea6\u662f\u5169\u500b\u7368\u7acb\u7684\u7dad\u5ea6\u3002\",\n        3: \" \u5373\u6642\u5c0d\u6230\u904a\u6232\u662f UDP \u7684\u5178\u578b\u61c9\u7528\u5834\u666f\u3002\u6587\u7ae0\u6307\u51fa\u904a\u6232\u3001\u8996\u8a0a\u901a\u8a71\u548c\u4e32\u6d41\u5f71\u7247\u90fd\u9069\u5408 UDP\uff0c\u56e0\u70ba\u300c\u5feb\u6bd4\u5b8c\u6574\u66f4\u91cd\u8981\u300d\u3002\u6389\u4e00\u5169\u500b\u4f4d\u7f6e\u66f4\u65b0\u5e7e\u4e4e\u5bdf\u89ba\u4e0d\u5230\uff0c\u4f46 TCP \u7684\u91cd\u50b3\u6a5f\u5236\u548c\u4e09\u6b21\u63e1\u624b\u6703\u589e\u52a0\u5ef6\u9072\uff0c\u5728\u5373\u6642\u904a\u6232\u4e2d\u9020\u6210\u660e\u986f\u7684\u5361\u9813\u3002\u9078\u9805 A \u770b\u4f3c\u6709\u9053\u7406\uff0c\u4f46 TCP \u4fdd\u8b49\u9806\u5e8f\u7684\u4ee3\u50f9\u662f\u589e\u52a0\u5ef6\u9072\u3002\u9078\u9805 C \u932f\u5728 UDP \u672c\u8eab\u4e0d\u63d0\u4f9b\u52a0\u5bc6\u529f\u80fd\u3002\",\n        4: \" \u9019\u662f DNS \u5feb\u53d6\u554f\u984c\u3002DNS \u89e3\u6790\u6d41\u7a0b\u4e2d\uff0c\u905e\u8ff4\u89e3\u6790\u5668\uff08\u5982 Google \u7684 8.8.8.8\uff09\u6703\u5c07\u67e5\u8a62\u7d50\u679c\u5feb\u53d6\u4e00\u6bb5\u6642\u9593\uff08\u7531 TTL \u8a2d\u5b9a\u6c7a\u5b9a\uff09\u3002\u5373\u4f7f\u6b0a\u5a01\u4f3a\u670d\u5668\u4e0a\u7684\u8a18\u9304\u5df2\u7d93\u66f4\u65b0\uff0c\u905e\u8ff4\u89e3\u6790\u5668\u5728 TTL \u5230\u671f\u524d\u4ecd\u6703\u56de\u50b3\u820a\u7684\u5feb\u53d6\u7d50\u679c\u3002\u9019\u5c31\u662f\u70ba\u4ec0\u9ebc\u6587\u7ae0\u5728 Vibe Coder \u6aa2\u67e5\u9ede\u63d0\u5230\uff1a\u300c\u6539\u4e86 DNS \u8a18\u9304\u5f8c\u53ef\u80fd\u8981\u7b49\u5feb\u53d6\u904e\u671f\u624d\u751f\u6548\u300d\u3002\u7528 <code>dig<\/code> \u6307\u4ee4\u53ef\u4ee5\u67e5\u770b TTL \u5269\u9918\u6642\u9593\u3002\u9078\u9805 C \u7684\u8aaa\u6cd5\u932f\u8aa4\uff0cDNS \u78ba\u5be6\u7528 UDP \u4f46\u9019\u8ddf\u8a18\u9304\u66f4\u65b0\u5ef6\u9072\u7121\u95dc\u3002\",\n        5: \" \u7a0b\u5f0f\u78bc\u4f7f\u7528\u4e86 <code>SOCK_STREAM<\/code>\uff08TCP\uff09\u4f86\u5efa\u7acb\u5f71\u97f3\u4e32\u6d41\u9023\u7dda\uff0c\u4f46\u6587\u7ae0\u660e\u78ba\u6307\u51fa\u4e32\u6d41\u5f71\u7247\u61c9\u8a72\u4f7f\u7528 UDP\u3002<code>SOCK_STREAM<\/code> \u4ee3\u8868 TCP\uff0c<code>SOCK_DGRAM<\/code> \u4ee3\u8868 UDP\u3002TCP \u7684\u91cd\u50b3\u6a5f\u5236\u6703\u8b93\u4e32\u6d41\u5f71\u7247\u5361\u9813\uff0c\u56e0\u70ba\u5b83\u5805\u6301\u8981\u628a\u6389\u843d\u7684\u5c01\u5305\u88dc\u56de\u4f86\uff0c\u800c\u89c0\u773e\u5176\u5be6\u611f\u89ba\u4e0d\u5230\u6389\u4e00\u5169\u500b\u756b\u9762\u3002\u6b63\u78ba\u7684\u505a\u6cd5\u662f\u6539\u7528 <code>socket.socket(socket.AF_INET, socket.SOCK_DGRAM)<\/code>\u3002\u9078\u9805 A \u4e2d IPv4 vs IPv6 \u7684\u9078\u64c7\u8ddf\u4e32\u6d41\u6548\u80fd\u7121\u95dc\u3002\u9078\u9805 B \u7684 port \u9078\u64c7\u4e0d\u662f\u6838\u5fc3\u554f\u984c\u3002\"\n      };\n\n      function checkAnswerAdv(qNum, selected, correctAns) {\n        const question = document.getElementById(\"qAdv\" + qNum);\n        if (question.classList.contains(\"answered\")) return;\n\n        question.classList.add(\"answered\");\n        answeredAdv++;\n\n        const options = question.querySelectorAll(\".options-adv li\");\n        options.forEach((opt) => {\n          opt.classList.add(\"disabled\");\n          if (opt.textContent.startsWith(correctAns + \".\")) {\n            opt.classList.add(\"show-answer\");\n          }\n        });\n\n        const feedback = document.getElementById(\"fbAdv\" + qNum);\n        if (selected === correctAns) {\n          correctAdv++;\n          feedback.className = \"feedback-adv correct\";\n          feedback.innerHTML = \"&#10003; \u6b63\u78ba\uff01\" + explanationsAdv[qNum];\n        } else {\n          feedback.className = \"feedback-adv wrong\";\n          feedback.innerHTML =\n            \"&#10007; \u932f\u8aa4\u3002\u6b63\u78ba\u7b54\u6848\u662f \" + correctAns + \"\u3002\" + explanationsAdv[qNum];\n          options.forEach((opt) => {\n            if (opt.textContent.startsWith(selected + \".\")) {\n              opt.classList.add(\"wrong\");\n            }\n          });\n        }\n\n        if (answeredAdv === totalAdv) {\n          const scoreDiv = document.getElementById(\"scoreAdv\");\n          scoreDiv.style.display = \"block\";\n          let msg = \"\";\n          if (correctAdv === totalAdv) msg = \"\u5b8c\u7f8e\uff01\u4f60\u5df2\u7d93\u6e96\u5099\u597d\u5be6\u6230\u4e86\uff01\";\n          else if (correctAdv >= Math.ceil(totalAdv * 0.8))\n            msg = \"\u5f88\u68d2\uff01\u518d\u8907\u7fd2\u4e00\u4e0b\u932f\u7684\u984c\u76ee\";\n          else if (correctAdv >= Math.ceil(totalAdv * 0.6))\n            msg = \"\u5efa\u8b70\u91cd\u8b80\u76f8\u95dc\u6bb5\u843d\u5f8c\u518d\u8a66\u4e00\u6b21\";\n          else msg = \"\u5efa\u8b70\u91cd\u65b0\u95b1\u8b80\u6587\u4ef6\uff0c\u7279\u5225\u6ce8\u610f\u64cd\u4f5c\u6d41\u7a0b\";\n          scoreDiv.innerHTML =\n            \"\u6e2c\u9a57\u5b8c\u6210\uff01\u5f97\u5206\uff1a\" + correctAdv + \" \/ \" + totalAdv + \"<br>\" + msg;\n        }\n      }\n    \n<\/script>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u6e2c\u9a57\uff1a\u8a2d\u8a08\u9700\u6c42\u8207\u7db2\u8def\u57fa\u790e \u2014 CAP \u5b9a\u7406\u3001\u5ef6\u9072\u8207\u901a\u8a0a\u5354\u5b9a \u5171 5 \u984c\uff0c\u9ede\u9078\u7b54\u6848\u5f8c\u6703\u7acb\u5373\u986f\u793a\u7d50\u679c 1. CAP [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"rolpb_likes":0,"footnotes":""},"categories":[711],"tags":[729,384,774,772,773],"class_list":["post-778","post","type-post","status-publish","format-standard","hentry","category-711","tag-cap","tag-dns","tag-sla","tag-tcp-udp","tag-773"],"blocksy_meta":{"styles_descriptor":{"styles":{"desktop":"","tablet":"","mobile":""},"google_fonts":[],"version":7}},"_links":{"self":[{"href":"https:\/\/blog.itsmygo.uk\/wordpress\/wp-json\/wp\/v2\/posts\/778","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.itsmygo.uk\/wordpress\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.itsmygo.uk\/wordpress\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.itsmygo.uk\/wordpress\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.itsmygo.uk\/wordpress\/wp-json\/wp\/v2\/comments?post=778"}],"version-history":[{"count":0,"href":"https:\/\/blog.itsmygo.uk\/wordpress\/wp-json\/wp\/v2\/posts\/778\/revisions"}],"wp:attachment":[{"href":"https:\/\/blog.itsmygo.uk\/wordpress\/wp-json\/wp\/v2\/media?parent=778"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.itsmygo.uk\/wordpress\/wp-json\/wp\/v2\/categories?post=778"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.itsmygo.uk\/wordpress\/wp-json\/wp\/v2\/tags?post=778"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}