{"id":3262,"date":"2021-11-06T21:28:30","date_gmt":"2021-11-07T04:28:30","guid":{"rendered":"https:\/\/www.xh86.me\/?p=3262"},"modified":"2021-11-06T21:40:05","modified_gmt":"2021-11-07T04:40:05","slug":"%e7%bd%91%e7%bb%9c%e8%ae%be%e5%a4%87%e7%9a%84-38-%e4%b8%aa%e7%9f%a5%e8%af%86%e7%82%b9","status":"publish","type":"post","link":"https:\/\/www.xh86.me\/?p=3262","title":{"rendered":"\u7f51\u7edc\u8bbe\u5907\u7684 38 \u4e2a\u77e5\u8bc6\u70b9"},"content":{"rendered":"
\n

\u7f51\u7edc\u5176\u5b9e\u5f88\u7b80\u5355\uff0c\u5c31\u662f\u4e00\u5806\u8bbe\u5907\u8fde\u63a5\u5728\u4e00\u8d77\uff0c\u7136\u540e\u5728\u4e0a\u9762\u8dd1\u5404\u79cd\u7f51\u7edc\u534f\u8bae\uff0c\u5b9e\u73b0\u8bbe\u5907\u4e4b\u95f4\u7684\u7f51\u7edc\u4e92\u901a\u3002\u5176\u4e2d\u7b2c\u4e00\u6b65\u4fbf\u662f\u628a\u6240\u6709\u8bbe\u5907\u6309\u7167\u4e00\u5b9a\u7684\u89c4\u5219\u8fde\u63a5\u8d77\u6765\u3002\u8fd9\u4e9b\u8bbe\u5907\u53ef\u80fd\u662f\u8def\u7531\u5668\u3001\u4ea4\u6362\u673a\u3001\u9632\u706b\u5899\u7b49\u7f51\u7edc\u8bbe\u5907\uff0c\u4e5f\u53ef\u80fd\u662f\u670d\u52a1\u5668\u3001\u7535\u8111\u3001\u624b\u673a\u7b49\u9700\u8981\u63a5\u5165\u7f51\u7edc\u7684\u8bbe\u5907\u3002\u4e3a\u4e86\u5b8c\u6210\u5404\u79cd\u8bbe\u5907\u7684\u8fde\u63a5\u9700\u6c42\uff0c\u4f1a\u7528\u5230\u7f51\u7edc\u7269\u7406\u5c42\u7684\u8fde\u63a5\u6807\u51c6\u548c\u8fde\u63a5\u7ebf\u7f06\uff0c\u4e5f\u5c31\u662f\u7f51\u7ebf\u6216\u8005\u5149\u7ea4\u7b49\u3002\u56e0\u6b64\uff0c\u6c47\u603b\u6574\u7406\u4e86\u7f51\u7edc\u8bbe\u5907\u5e38\u89c1\u7684 38 \u4e2a\u77e5\u8bc6\u70b9\uff0c\u8ba9\u7406\u8bba\u4e0d\u518d\u7eb8\u4e0a\u8c08\u5175\uff0c\u901a\u8fc7\u5b9e\u8df5\u7406\u89e3\u7f51\u7edc\u6982\u5ff5\u3002<\/p>\n

\n

1\u3001\u7f51\u7edc\u6709\u54ea\u4e9b\u6784\u6210\uff1f<\/span><\/h5>\n

\u7531\u4ea4\u6362\u673a\u3001\u8def\u7531\u5668\u7b49\u7f51\u7edc\u786c\u4ef6\uff0c\u4ee5\u53ca\u4e2a\u4eba\u8ba1\u7b97\u673a\u3001\u670d\u52a1\u5668\u7b49\u8ba1\u7b97\u673a\u786c\u4ef6\u6784\u6210\uff0c<\/span>\u8fd9\u4e9b\u786c\u4ef6\u90fd\u53eb\u505a\u8282\u70b9\uff0c\u8282\u70b9\u4e4b\u95f4\u901a\u8fc7\u94fe\u8def\u8fdb\u884c\u8fde\u63a5\u3002<\/p>\n

\n

2\u3001\u4ec0\u4e48\u662f<\/span>\u8282\u70b9<\/strong><\/span>\uff08 node \uff09\uff1f<\/span><\/h5>\n

\u8ba1\u7b97\u673a\u3001\u4ea4\u6362\u673a\u3001\u8def\u7531\u5668\u7b49\u6784\u6210\u7f51\u7edc\u7684\u786c\u4ef6\u90fd\u53ef\u4ee5\u79f0\u4e3a\u901a\u4fe1\u8282\u70b9\u3002<\/span><\/p>\n

\n

3\u3001\u4ec0\u4e48\u662f<\/span>\u94fe\u8def<\/strong><\/span>\uff08 link \uff09\uff1f<\/span><\/h5>\n

\u5c06\u5404\u4e2a\u8282\u70b9\u8fdb\u884c\u8fde\u63a5\u7684\u7ebf\u8def\uff0c\u53ef\u4ee5\u4f7f\u7528\u6709\u7ebf\u7ebf\u7f06\u6216\u8005\u65e0\u7ebf\u7535\u6ce2\u3002<\/span><\/p>\n

<\/div><\/span><\/p>\n

\n

4\u3001\u4ec0\u4e48\u662f<\/span>\u4e3b\u673a<\/strong><\/span>\uff08 host \uff09\uff1f<\/span><\/h5>\n

\u901a\u8fc7\u7f51\u7edc\u4e3a\u5176\u5b83\u673a\u5668\u63d0\u4f9b\u670d\u52a1\u7684\u8ba1\u7b97\u673a\uff0c\u4e5f\u79f0\u4e3a<\/span>\u670d\u52a1\u5668<\/strong><\/span>\u3002<\/span><\/p>\n

\n

5\u3001\u4ec0\u4e48\u662f<\/span>\u5ba2\u6237\u7aef<\/strong><\/span>\uff08 client \uff09\uff1f<\/span><\/h5>\n

\u4ece\u4e3b\u673a\u83b7\u5f97\u670d\u52a1\u7684\u8ba1\u7b97\u673a\uff0c\u6bd4\u5982\u4e2a\u4eba\u8ba1\u7b97\u673a\u7b49\uff0c\u4e5f\u79f0\u4e3a<\/span>\u7ec8\u7aef<\/strong><\/span>\u3002<\/span><\/p>\n

<\/div><\/span><\/p>\n

\n

6\u3001\u4ec0\u4e48\u662f<\/span>\u5ba2\u6237\u7aef\u670d\u52a1\u5668\u578b<\/strong><\/span>\uff1f<\/span><\/h5>\n

\u533a\u5206\u670d\u52a1\u63d0\u4f9b\u65b9\u548c\u670d\u52a1\u63a5\u53d7\u65b9\u7684\u67b6\u6784\u3002\u5ba2\u6237\u7aef\u5411\u670d\u52a1\u5668\u8bf7\u6c42\u670d\u52a1\uff0c\u800c\u670d\u52a1\u5668\u54cd\u5e94\u5ba2\u6237\u7aef\u7684\u670d\u52a1\u8bf7\u6c42\u3002\u6bd4\u5982\uff1aHTTP \u901a\u4fe1\u3002<\/span><\/p>\n

\n

7\u3001\u4ec0\u4e48\u662f<\/span>\u70b9\u5bf9\u70b9\u578b<\/strong><\/span>\uff1f<\/span><\/h5>\n

\u4e0d\u533a\u5206\u670d\u52a1\u63d0\u4f9b\u65b9\u548c\u670d\u52a1\u63a5\u53d7\u65b9\u7684\u67b6\u6784\u3002\u53c2\u4e0e\u7f51\u7edc\u7684\u8ba1\u7b97\u673a\u6709\u53ef\u80fd\u662f\u7f51\u7edc\u4e2d\u7684\u670d\u52a1\u5668\uff0c\u4e5f\u6709\u53ef\u80fd\u6210\u4e3a\u7f51\u7edc\u4e2d\u7684\u5ba2\u6237\u7aef\u3002\u6bd4\u5982\uff1aSkype \u901a\u4fe1\u3002<\/span><\/p>\n

\n

8\u3001\u4ec0\u4e48\u662f <\/span>LAN<\/strong><\/span>\uff08\u5c40\u57df\u7f51\uff09\uff1f<\/span><\/h5>\n

\u7528\u4e8e\u673a\u6784\u5185\u90e8\u901a\u4fe1\u4e0e\u4fe1\u606f\u4f20\u9012\u3002\u4f7f\u7528\u4ee5\u592a\u7f51\u6280\u672f\u5728\u516c\u53f8\u6216\u5b66\u6821\u8303\u56f4\u5185\u6784\u5efa\u7f51\u7edc\u3002LAN \u5206\u4e3a\u4f7f\u7528\u7ebf\u7f06\u7684\u6709\u7ebf LAN \u548c\u4f7f\u7528\u7535\u6ce2\u7684\u65e0\u7ebf LAN \u3002\u4e00\u822c\u5728 LAN \u5185\u90e8\u4f7f\u7528\u79c1\u6709 IP \u5730\u5740\u3002<\/span><\/p>\n

\u5728\u4f7f\u7528\u7ebf\u7f06\u8fde\u63a5 LAN \u65f6\uff0c\u7528\u6237\u7684\u4e2a\u4eba\u8ba1\u7b97\u673a\u901a\u8fc7\u4ee5\u592a\u7f51\u7ebf\uff08\u53cc\u7ede\u7ebf\uff09\u8fde\u63a5\u4ea4\u6362\u673a\uff0c\u7136\u540e\u7531\u4ea4\u6362\u673a\u8fde\u63a5\u8def\u7531\u5668\uff0c\u6700\u7ec8\u5728\u8def\u7531\u5668\u5904\u7406\u4e0d\u540c\u5b50\u7f51\u548c\u53d1\u9001\u5230\u4e92\u8054\u7f51\u7684\u901a\u4fe1\u3002<\/span><\/p>\n

\n

9\u3001\u4ec0\u4e48\u662f <\/span>MAN<\/strong><\/span>\uff08\u57ce\u57df\u7f51\uff09\uff1f<\/span><\/h5>\n

\u4f7f\u7528\u5149\u7f06\u5728\u76f8\u8ddd\u8f83\u8fdc\u7684\u6821\u56ed\u56ed\u533a\u6216\u57ce\u5e02\u5185\u5efa\u7acb\u901a\u4fe1\u7684\u7f51\u7edc\uff0c\u6bd4 LAN \u7684\u8303\u56f4\u8981\u5e7f\u3002<\/span><\/p>\n

\n

10\u3001\u4ec0\u4e48\u662f <\/span>WAN<\/strong><\/span>\uff08\u5e7f\u57df\u7f51\uff09\uff1f<\/span><\/h5>\n

\u8303\u56f4\u6bd4 LAN \u548c MAN \u90fd\u8981\u5e7f\uff0c\u7528\u4e8e\u8de8\u533a\u57df\u6216\u56fd\u5bb6\u95f4\u7684\u8fdc\u7a0b\u901a\u4fe1\u3002\u4e00\u822c\u6709\u7535\u4fe1\u8fd0\u8425\u5546\u5efa\u8bbe\u3002\u5728 WAN \u4e2d\u4f7f\u7528\u516c\u7f51 IP \u5730\u5740\u8fdb\u884c\u901a\u4fe1\u3002<\/span><\/p>\n

\u5bb6\u5ead\u6216\u4f01\u4e1a\u5728\u8fde\u63a5\u4e92\u8054\u7f51\u65f6\uff0c\u9700\u8981\u4e0e <\/span>ISP<\/strong><\/span>\uff08\u4e92\u8054\u7f51\u670d\u52a1\u4f9b\u5e94\u5546\uff09\u7b7e\u8ba2\u5408\u540c\uff0c\u901a\u8fc7 ISP \u63d0\u4f9b\u7684\u63a5\u5165\u70b9\u5b8c\u6210\u8fde\u63a5\u3002\u800c\u63a5\u5165\u70b9\u7684\u8fde\u63a5\u5219\u9700\u8981\u901a\u8fc7<\/span>\u7535\u4fe1\u8fd0\u8425\u5546<\/strong><\/span>\u63d0\u4f9b\u7684\u670d\u52a1\u6765\u5b8c\u6210\u3002<\/span><\/p>\n

\n

11\u3001\u4e2d\u56fd\u6709\u54ea\u4e9b <\/span>ISP<\/strong><\/span> \u548c<\/span>\u7535\u4fe1\u8fd0\u8425\u5546<\/strong><\/span>\uff1f<\/span><\/h5>\n

ISP \u548c\u7535\u4fe1\u8fd0\u8425\u5546\u662f\u540c\u4e00\u5bb6\u516c\u53f8\u7684\u6709\u4e2d\u56fd\u7535\u4fe1\u3001\u4e2d\u56fd\u8054\u901a\u7b49\u3002ISP \u4e2d\u8f83\u4e3a\u8457\u540d\u7684\u6709\u957f\u57ce\u5bbd\u5e26\u7b49\u3002<\/span><\/p>\n

\n

12\u3001WAN \u6709\u54ea\u4e9b\u670d\u52a1\u7c7b\u578b\uff1f<\/span><\/h5>\n

\u6839\u636e\u7528\u9014\u53ef\u5206\u4e3a\uff1a\u6700\u540e\u4e00\u516c\u91cc\u63a5\u5165\u3001\u79fb\u52a8\u901a\u4fe1\u3001VPN \u3001\u4e13\u7ebf\u3002<\/span><\/p>\n

<\/div><\/span><\/p>\n

\n

13\u3001\u4ec0\u4e48\u662f <\/span>OSI \u53c2\u8003\u6a21\u578b<\/strong><\/span>\uff1f<\/span><\/h5>\n

\u65e9\u671f\u7684\u7f51\u7edc\u534f\u8bae\u4e3b\u8981\u6709 IBM \u516c\u53f8\u7684 SNA \u3001Apple \u516c\u53f8\u7684 AppleTalk \u3001Novell \u516c\u53f8\u7684 NetWare \u7b49\u3002\u5b83\u4eec\u4f7f\u7528\u7684\u4e0d\u540c\u5382\u5bb6\u751f\u4ea7\u7f51\u7edc\u786c\u4ef6\u800c\u5927\u76f8\u5f84\u5ead\uff0c\u56e0\u6b64\u51fa\u73b0\u4e86\u4e0d\u540c\u7f51\u7edc\u4e4b\u95f4\u4e0d\u80fd\u4e92\u8054\u4ee5\u53ca\u6269\u5bb9\u56f0\u96be\u7684\u95ee\u9898\u3002<\/span><\/p>\n

\u4e3a\u4e86\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\uff0c\u4f7f\u5f97\u4efb\u4f55\u5382\u5bb6\u751f\u4ea7\u7684\u7f51\u7edc\u786c\u4ef6\u4e4b\u95f4\u90fd\u80fd\u4e92\u8054\u4e92\u901a\uff0c\u5236\u5b9a\u4e86\u79f0\u4e3a OSI \u53c2\u8003\u6a21\u578b\u7684\u5206\u5c42\u7f51\u7edc\u6a21\u578b\u3002<\/span><\/p>\n

\u4f7f\u7528\u5206\u5c42\u7ed3\u6784\u6a21\u578b\u6709\u5f88\u591a\u4f18\u70b9\uff1a\u6309\u529f\u80fd\u5206\u7c7b\uff0c\u4fbf\u4e8e\u7406\u89e3\u548c\u638c\u63e1\uff1b\u5b9a\u4e49\u6807\u51c6\u63a5\u53e3\uff0c\u4f7f\u4e0d\u540c\u5382\u5546\u7684\u786c\u4ef6\u53ef\u4ee5\u4e92\u8054\uff1b\u8bbe\u8ba1\u548c\u7814\u53d1\u7f51\u7edc\u786c\u4ef6\u65f6\uff0c\u4f1a\u9650\u5b9a\u5728\u4e00\u5b9a\u8303\u56f4\u5185\uff1b\u5f53\u67d0\u5c42\u53d1\u751f\u53d8\u5316\u65f6\uff0c\u4e0d\u5f71\u54cd\u5176\u5b83\u5c42\u3002<\/span><\/p>\n

<\/div><\/span><\/p>\n

\n

14\u3001OSI \u53c2\u8003\u6a21\u578b\u7684<\/span>\u6570\u636e\u5f62\u5f0f<\/strong><\/span>\u548c<\/span>\u7f51\u7edc\u534f\u8bae<\/strong><\/span>\u6709\u54ea\u4e9b\uff1f<\/span><\/h5>\n

<\/div><\/span><\/p>\n

\n

15\u3001L2 ~ L4 \u7684\u6570\u636e\u5f62\u5f0f\u662f\u4ec0\u4e48\u6837\u7684\uff1f<\/span><\/h5>\n

<\/div><\/span><\/p>\n

\n

16\u3001TCP\/IP \u5206\u5c42\u6a21\u578b\u548c OSI \u53c2\u8003\u6a21\u578b\u6709\u4ec0\u4e48<\/span>\u5bf9\u5e94\u5173\u7cfb<\/strong><\/span>\uff1f<\/span><\/h5>\n

<\/div><\/span><\/p>\n

TCP\/IP \u5206\u5c42\u6a21\u578b\u7684\u7f51\u7edc\u63a5\u5165\u5c42\u548c OSI \u53c2\u8003\u6a21\u578b\u7684\u7269\u7406\u5c42\u76f8\u5f53\uff0c\u4f46\u5e76\u6ca1\u6709\u5bf9\u786c\u4ef6\u53ca\u6570\u636e\u4f20\u8f93\u7b49\u8fdb\u884c\u6807\u51c6\u5316\u5b9a\u4e49\u3002<\/span><\/p>\n

\n

17\u3001TCP\/IP \u5206\u5c42\u6a21\u578b\u7684\u5404\u5c42\u5206\u522b\u5bf9\u5e94\u4e86\u54ea\u4e9b<\/span>\u7f51\u7edc\u786c\u4ef6<\/strong><\/span>\uff1f<\/span><\/h5>\n

<\/div><\/span><\/p>\n

\n

18\u3001\u4ec0\u4e48\u662f<\/span>\u4ee5\u592a\u7f51\u6807\u51c6<\/strong><\/span>\uff1f<\/span><\/h5>\n

\u4ee5\u592a\u7f51\u539f\u672c\u662f\u6307\u4f7f\u7528 CSMA\/CD \u7684\u63a7\u5236\u65b9\u5f0f\uff0c\u5b9e\u9645\u901f\u7387\u4e3a 10Mbit\/s \u7684\u6807\u51c6\u3002\u968f\u7740\u6280\u672f\u7684\u8fed\u4ee3\uff0c\u901f\u7387\u4e3a 100Mbit\/s \u7684\u5feb\u901f\u4ee5\u592a\u7f51\u548c\u901f\u7387\u4e3a 1Gbit\/s \u7684\u5343\u5146\u4ee5\u592a\u7f51\u9010\u6b65\u767b\u573a\u3002\u4ece\u5feb\u901f\u4ee5\u592a\u7f51\u5f00\u59cb\uff0c\u91c7\u7528\u4e86\u5168\u53cc\u5de5\u901a\u4fe1\u65b9\u5f0f\uff0c\u800c\u4e0d\u662f CSMA\/CD \u6280\u672f\u7684\u4ee5\u592a\u7f51\u3002<\/span><\/p>\n

\u5230\u5343\u5146\u4ee5\u592a\u7f51\uff0c\u534a\u53cc\u5de5\u901a\u4fe1\u4e2d\u8fd8\u4fdd\u7559\u4e86 CSMA\/CD \u6280\u672f\u89c4\u8303\u3002\u5230\u4e86\u4e07\u5146\u4ee5\u592a\u7f51\uff0c\u5c31\u5f7b\u5e95\u79fb\u9664 CSMA\/CD \u89c4\u8303\uff0c\u6240\u6709\u901a\u4fe1\u65b9\u5f0f\u90fd\u91c7\u7528\u5168\u53cc\u5de5\u65b9\u5f0f\u3002<\/span><\/p>\n

\n

19\u3001\u4e0d\u540c\u7c7b\u578b\u7684\u4ee5\u592a\u7f51\u533a\u522b\u6709\u54ea\u4e9b\uff1f<\/span><\/h5>\n

<\/div><\/span><\/p>\n

\n

20\u3001IEEE 802.3 \u6807\u51c6\u6839\u636e\u4f7f\u7528\u7684\u4f20\u8f93\u7ebf\u7f06\u548c\u4f20\u8f93\u901f\u5ea6\u7684\u4e0d\u540c\uff0c\u6709 10BASE-T \u300110BASE-TX \u7b49\u540d\u79f0\u3002\u90a3\u4e48\u6807\u51c6\u7684<\/span>\u547d\u540d\u89c4\u5219<\/strong><\/span>\u662f\u4ec0\u4e48\uff1f<\/span><\/h5>\n

<\/div><\/span><\/p>\n

Lane \u662f\u5728 40G\/100G \u4ee5\u592a\u7f51\u4f20\u8f93\u4e2d\u4f7f\u7528\u7684\u5e76\u884c\u4f20\u8f93\u901a\u9053\u3002<\/span><\/p>\n

IEEE 802.3 \u5b9a\u4e49\u7684<\/span>\u94fe\u8def\u901f\u7387<\/strong><\/span>\uff1a<\/span><\/p>\n

<\/div><\/span><\/p>\n

IEEE 802.3 \u5b9a\u4e49\u7684<\/span>\u8c03\u5236\u65b9\u5f0f<\/strong><\/span>\uff1a<\/span><\/p>\n

<\/div><\/span><\/p>\n

IEEE 802.3 \u5b9a\u4e49\u7684<\/span>\u4f20\u8f93\u5a92\u4ecb<\/strong><\/span>\uff1a<\/span><\/p>\n

<\/div><\/span><\/p>\n

IEEE 802.3 \u5b9a\u4e49\u7684<\/span>\u7f16\u7801\u4f53\u7cfb<\/strong><\/span>\uff1a<\/span><\/p>\n

<\/div><\/span><\/p>\n

IEEE 802.3 \u5b9a\u4e49\u7684<\/span>lane<\/strong><\/span>\uff1a<\/span><\/p>\n

<\/div><\/span><\/p>\n

\n

21\u300110Mbit\/s \u4ee5\u592a\u7f51\u7684\u4e3b\u8981\u6807\u51c6\u6709\u54ea\u4e9b\uff1f<\/span><\/h5>\n

<\/div><\/span><\/p>\n

\n

22\u3001\u5feb\u901f\u4ee5\u592a\u7f51\u7684\u4e3b\u8981\u6807\u51c6\u6709\u54ea\u4e9b\uff1f<\/span><\/h5>\n

<\/div><\/span><\/p>\n

100BASE-T \u662f 100BASE-TX \u3001100BASE-T4 \u3001100BASE-T2 \u7684\u7edf\u79f0\u3002\u76ee\u524d 100BASE-T4 \u3001100BASE-T2 \u4e0d\u518d\u4f7f\u7528\uff0c\u4e3b\u8981\u4f7f\u7528 <\/span>100BASE-TX<\/strong><\/span> \u3002<\/span><\/p>\n

\n

23\u3001\u5343\u5146\u4ee5\u592a\u7f51\u7684\u4e3b\u8981\u6807\u51c6\u6709\u54ea\u4e9b\uff1f<\/span><\/h5>\n

<\/div><\/span><\/p>\n

\n

24\u3001\u4e07\u5146\u4ee5\u592a\u7f51\u7684\u4e3b\u8981\u6807\u51c6\u6709\u54ea\u4e9b\uff1f<\/span><\/h5>\n

<\/div><\/span><\/p>\n

WIS<\/strong><\/span> \uff0c\u5e7f\u57df\u7f51\u63a5\u53e3\u5b50\u5c42\u7684\u7b80\u79f0\u3002<\/span>LDPC<\/strong><\/span> \uff0c\u4f4e\u5bc6\u5ea6\u5947\u5076\u6821\u9a8c\u7801\u7684\u7b80\u79f0\u3002<\/span><\/p>\n

\n

25\u300140G\/100G \u4ee5\u592a\u7f51\u7684\u4e3b\u8981\u6807\u51c6\u6709\u54ea\u4e9b\uff1f<\/span><\/h5>\n

<\/div><\/span><\/p>\n

\n

26\u3001\u4ee5\u592a\u7f51\u7684\u6570\u636e\u6309\u7167\u4ec0\u4e48\u987a\u5e8f\u4f20\u8f93\uff1f<\/span><\/h5>\n

\u4ee5\u592a\u7f51\u91c7\u7528<\/span>\u5c0f\u7aef<\/strong><\/span>\u987a\u5e8f\u65b9\u5f0f\u4f20\u8f93\u6bd4\u7279\u6d41\uff0c\u4e5f\u5c31\u662f\u8bf4 1 \u4e2a\u5b57\u8282\uff08 8bit \uff09\u7684\u6570\u636e\uff0c\u4f1a\u4ece\u6700\u4f4e\u4f4d\u5f00\u59cb\u4f20\u9001\uff0c\u5c06\u6bcf 8bit \u6570\u636e\u4e2d\u7684 0 \u4e0e 1 \u987a\u5e8f\u98a0\u5012\u8fdb\u884c\u4f20\u9001\u3002FDDI \u4ee5\u53ca\u4ee4\u724c\u73af\u7b49\u7f51\u7edc\uff0c\u5219\u91c7\u7528<\/span>\u5927\u7aef<\/strong><\/span>\u987a\u5e8f\u8fdb\u884c\u4f20\u8f93\u6570\u636e\u3002<\/span><\/p>\n

<\/div><\/span><\/p>\n

\u5728\u7f51\u7edc\u4e0a\u8fdb\u884c\u4f20\u8f93\u7684\u4e8c\u8fdb\u5236\u6570\u636e\u4f7f\u7528\u7684\u5b57\u8282\u6392\u5217\u987a\u5e8f\u4e5f\u53eb\u505a<\/span>\u7f51\u7edc\u5b57\u8282\u5e8f<\/strong><\/span>\u3002TCP\/IP \u534f\u8bae\u4e2d\u90fd\u4f7f\u7528\u5927\u7aef\u987a\u5e8f\u5f00\u59cb\u4f20\u9001\u6570\u636e\u3002<\/span><\/p>\n

\n

27\u3001\u7f51\u7edc\u786c\u4ef6\u6709\u51e0\u79cd\u7c7b\u578b\uff1f<\/span><\/h5>\n

\u7f51\u7edc\u786c\u4ef6\u5206\u4e3a<\/span>\u901a\u7528\u670d\u52a1\u5668<\/strong><\/span>\u548c<\/span>\u4e13\u7528\u8bbe\u5907<\/strong><\/span>\u4e24\u5927\u7c7b\u3002<\/span><\/p>\n

\u901a\u7528\u670d\u52a1\u5668\uff1a\u8fd0\u884c Windows \u3001Windows Server \u3001Linux \u3001Unix \u7b49\u64cd\u4f5c\u7cfb\u7edf\u7684\u901a\u7528\u670d\u52a1\u5668\u53ca\u670d\u52a1\u5668\u4e0a\u5b89\u88c5\u7684\u7f51\u7edc\u670d\u52a1\u3002<\/span><\/p>\n

\u4e13\u7528\u8bbe\u5907\uff1a\u7531\u7279\u5b9a\u76ee\u7684\u7684\u64cd\u4f5c\u7cfb\u7edf\u3001\u8f6f\u4ef6\u3001\u786c\u4ef6\u7ec4\u6210\u7684\u4e13\u7528\u8bbe\u5907\u3002<\/span><\/p>\n

\n

28\u3001\u901a\u7528\u670d\u52a1\u5668\u548c\u4e13\u7528\u8bbe\u5907\u6709\u4ec0\u4e48\u533a\u522b\uff1f<\/span><\/h5>\n

<\/div><\/span><\/p>\n

\n

29\u3001\u7f51\u7edc\u8bbe\u5907\u6709\u54ea\u4e9b\uff1f<\/span><\/h5>\n

\u7f51\u7edc\u8bbe\u5907\u6709\u8def\u7531\u5668\u3001L2 \u4ea4\u6362\u673a\u3001\u9ad8\u5c42\u8def\u7531\u5668\u3001\u65e0\u7ebf LAN \u7684 AP\u3001\u65e0\u7ebf LAN \u63a7\u5236\u5668\u3001\u7f51\u7edc\u5b89\u5168\u8bbe\u5907\u3001\u8d1f\u8f7d\u5747\u8861\u5668\u548c\u670d\u52a1\u5668\u8bbe\u5907\u3002\u5176\u4e2d\uff0c\u7f51\u7edc\u5b89\u5168\u8bbe\u5907\u53c8\u5206\u4e3a\u9632\u706b\u5899\u3001UTM \u3001\u65b0\u4e00\u4ee3\u9632\u706b\u5899\u3001\u4ee3\u7406\u5668\u3001URL \u8fc7\u6ee4\u5668\u3001\u9632\u75c5\u6bd2\u7f51\u5173\u7b49\uff1b\u670d\u52a1\u5668\u8bbe\u5907\u7ec6\u5206\u4e3a Web \u670d\u52a1\u5668\u8bbe\u5907\u3001\u6587\u4ef6\u670d\u52a1\u5668\u8bbe\u5907\u3001DHCP \u670d\u52a1\u5668\u8bbe\u5907\u3001DNS \u670d\u52a1\u5668\u8bbe\u5907\u7b49\u3002<\/span><\/p>\n

\n

30\u3001\u7f51\u7edc\u8bbe\u5907\u6709\u51e0\u79cd\u63a5\u53e3\uff1f<\/span><\/h5>\n

\u8bbe\u5907\u4e00\u822c\u6709\u4e24\u79cd\u63a5\u53e3\uff0c\u4e00\u79cd\u662f\u7528\u4e8e\u7ba1\u7406\u8bbe\u7f6e\u7684<\/span>\u63a7\u5236\u7aef\u53e3<\/strong><\/span>\uff0c\u53e6\u4e00\u79cd\u662f\u7528\u4e8e\u4f20\u8f93\u7528\u6237\u6570\u636e\u6d41\u91cf\u7684<\/span>\u6570\u636e\u7aef\u53e3<\/strong><\/span>\u3002\u7f51\u7edc\u8bbe\u5907\u901a\u5e38\u662f\u4e00\u4e2a\u63a7\u5236\u7aef\u53e3\u548c\u591a\u4e2a\u6570\u636e\u7aef\u53e3\u3002<\/span><\/p>\n

\n

31\u3001\u4ec0\u4e48\u662f<\/span>\u63a7\u5236\u7aef\u53e3<\/strong><\/span>\uff1f<\/span><\/h5>\n

\u5bf9\u7f51\u7edc\u8bbe\u5907\u7684\u521d\u59cb\u8bbe\u7f6e\u3001\u7ba1\u7406\u3001\u8c03\u8bd5\u7b49\u9700\u8981\u901a\u8fc7\u4e13\u7528\u7684\u7aef\u53e3\u6765\u5904\u7406\uff0c\u8fd9\u7c7b\u7aef\u53e3\u5c31\u662f<\/span>\u63a7\u5236\u7aef\u53e3<\/strong><\/span>\uff08 console port \uff09\u6216<\/span>\u4e32\u884c\u7aef\u53e3<\/strong><\/span>\uff08 serial port \uff09\u3002\u4e00\u822c\u4f7f\u7528 <\/span>RJ-45<\/strong><\/span> \u3001DB-9\uff08 RS-232 \uff09\u6807\u51c6\u3002<\/span><\/p>\n

<\/div><\/span><\/p>\n

\u7535\u8111\u4f7f\u7528\u7ebf\u7f06\u901a\u8fc7 USB \u63a5\u53e3\u6216 DB-9 \u4e32\u53e3\u8fde\u63a5\u5230\u7f51\u7edc\u8bbe\u5907\uff0c\u901a\u8fc7<\/span>\u7ec8\u7aef\u4eff\u771f\u8f6f\u4ef6<\/strong><\/span>\u4e0e\u8bbe\u5907\u8fdb\u884c\u4e92\u8fde\u3002\u8fde\u63a5\u7535\u8111\u548c\u7f51\u7edc\u8bbe\u5907\u7684\u7ebf\u7f06\u53eb\u505a<\/span>\u63a7\u5236\u7ebf\u7f06<\/strong><\/span>\u3002RJ-45 \u7684\u6807\u51c6\u548c pin \u8bbe\u7f6e\u8bf4\u660e\u5982\u4e0b\uff1a<\/span><\/p>\n

<\/div><\/span><\/p>\n

<\/div><\/span><\/p>\n

\n

32\u3001\u4ec0\u4e48\u662f<\/span>\u53cc\u7ede\u7ebf<\/strong><\/span>\uff1f<\/span><\/h5>\n

\u53cc\u7ede\u7ebf\u4e5f\u53eb\u505a<\/span>\u7f51\u7ebf<\/strong><\/span>\u3002\u7ebf\u7f06\u662f\u4e24\u6839\u7ec6\u5bfc\u7ebf\u4e00\u7ec4\uff0c\u5171 4 \u7ec4\uff0c\u5916\u90e8\u5305\u88f9\u7740\u7ebf\u5957\u3002<\/span><\/p>\n

<\/div><\/span><\/p>\n

<\/div><\/span><\/p>\n

\n

33\u3001\u53cc\u7ede\u7ebf\u6709\u51e0\u79cd\u7c7b\u578b\uff1f<\/span><\/h5>\n

\u53cc\u7ede\u7ebf\u5206\u4e3a\u5c4f\u853d STP \u548c\u975e\u5c4f\u853d UTP \u4e24\u7c7b\u3002\u5e38\u89c1\u7684\u662f UTP \u3002<\/span><\/p>\n

    \n
  • \n

    STP<\/strong><\/span>\uff08 Shielded Twist Pair \uff09\uff1a\u5916\u90e8\u4f7f\u7528\u94dd\u7b94\u5305\u88f9\uff0c\u4ee5\u51cf\u5c11\u5916\u90e8\u7535\u6c14\u566a\u58f0\u5e72\u6270\u7684\u7ebf\u7f06\uff0c\u4e5f\u53eb\u505a<\/span>\u5c4f\u853d\u7f51\u7ebf<\/strong><\/span>\u3002\u4e00\u822c\u5728\u5de5\u5730\u7b49\u566a\u58f0\u5e72\u6270\u8f83\u591a\u7684\u5730\u65b9\u4f7f\u7528\u3002<\/span><\/p>\n<\/li>\n

  • \n

    UTP<\/strong><\/span>\uff08 Unshielded Twist Pair \uff09\uff1a\u4e0d\u5e26\u4efb\u4f55\u5c4f\u853d\u7684\u53cc\u7ede\u7ebf\uff0c\u4e5f\u53eb\u505a<\/span>\u975e\u5c4f\u853d\u7f51\u7ebf<\/strong><\/span>\u3002\u4e00\u822c\u7528\u5728\u5bb6\u5ead\u548c\u529e\u516c\u5ba4\u3002<\/span><\/p>\n<\/li>\n<\/ul>\n

    \n

    34\u3001\u53cc\u7ede\u7ebf\u6709\u54ea\u4e9b\u89c4\u683c\uff1f<\/span><\/h5>\n

    <\/div><\/span><\/p>\n

    5e<\/strong><\/span> \u8868\u793a 5 \u7c7b\u589e\u5f3a\u578b\uff0c<\/span>6a<\/strong><\/span> \u8868\u793a 6 \u7c7b\u6269\u5c55\u3002<\/span><\/p>\n

    \n

    35\u3001\u6709\u4e86\u53cc\u7ede\u7ebf\uff0c\u4e3a\u4ec0\u4e48\u8fd8\u9700\u8981<\/span>\u5149\u7ea4<\/strong><\/span>\uff1f<\/span><\/h5>\n

    \u867d\u7136\u53cc\u7ede\u7ebf\u53ef\u4ee5\u5b8c\u6210 10Gbit\/s \u901f\u7387\u7684\u901a\u4fe1\uff0c\u4f46\u662f\u4f20\u8f93\u8ddd\u79bb\u77ed\uff0c\u53ea\u6709 100m \uff0c\u56e0\u6b64\u957f\u8ddd\u79bb\u901a\u4fe1\u91c7\u7528\u5149\u7ea4\uff0c\u6700\u8fdc\u53ef\u8fbe 80km \u3002<\/span><\/p>\n

    \n

    36\u3001\u5149\u7ea4\u6709\u51e0\u79cd\u7c7b\u578b\uff1f<\/span><\/h5>\n

    \u5149\u7ea4\u5206\u4e3a<\/span>\u5355\u6a21\u5149\u7ea4<\/strong><\/span>\u3001<\/span>\u591a\u6a21\u5149\u7ea4<\/strong><\/span>\u3002\u4e3a\u4e86\u4f7f\u7528\u4e0d\u540c\u7c7b\u522b\u7684\u5149\u7ea4\uff0c\u4ea7\u751f\u4e86<\/span>\u5355\u6a21\u5149\u6a21\u5757<\/strong><\/span>\u3001<\/span>\u591a\u6a21\u5149\u6a21\u5757<\/strong><\/span>\u3002<\/span><\/p>\n

      \n
    • \n

      \u5355\u6a21\u5149\u6a21\u5757\u4e0e\u5355\u6a21\u5149\u7ea4\u914d\u5957\u4f7f\u7528\u3002\u5355\u6a21\u5149\u7ea4\u4f20\u8f93\u9891\u5e26\u5bbd\uff0c\u4f20\u8f93\u5bb9\u91cf\u5927\uff0c\u9002\u7528\u4e8e\u957f\u8ddd\u4f20\u8f93\u3002<\/span><\/p>\n<\/li>\n

    • \n

      \u591a\u6a21\u5149\u6a21\u5757\u4e0e\u591a\u6a21\u5149\u7ea4\u914d\u5957\u4f7f\u7528\u3002\u591a\u6a21\u5149\u7ea4\u6709\u6a21\u5f0f\u8272\u6563\u7f3a\u9677\uff0c\u5176\u4f20\u8f93\u6027\u80fd\u6bd4\u5355\u6a21\u5149\u7ea4\u5dee\uff0c\u4f46\u6210\u672c\u4f4e\uff0c\u9002\u7528\u4e8e\u8f83\u5c0f\u5bb9\u91cf\u3001\u77ed\u8ddd\u4f20\u8f93\u3002<\/span><\/p>\n<\/li>\n<\/ul>\n

      \n

      37\u3001\u5149\u7ea4\u7684\u4f20\u8f93\u8ddd\u79bb\u6709\u591a\u8fdc\uff1f<\/span><\/h5>\n

      \u4e0b\u9762\u5217\u4e3e\u51e0\u4e2a\u5178\u578b\u7c7b\u578b\uff1a<\/span><\/p>\n

        \n
      • \n

        40GBASE-SR4\uff08IEEE 802.3ba\uff09\uff1a\u591a\u6a21\u5149\u7ea4\uff0c400m \u5185\u4f20\u8f93 40GE \u4fe1\u53f7\uff1b<\/span><\/p>\n<\/li>\n

      • \n

        40GBASE-LR4\uff08IEEE 802.3ba\uff09\uff1a\u5355\u6a21\u5149\u7ea4\uff0c10km \u5185\u4f20\u8f93 40GE \u4fe1\u53f7\uff1b<\/span><\/p>\n<\/li>\n

      • \n

        10GBASE-ZR\uff1a\u5355\u6a21\u5149\u7ea4\uff0c80km \u5185\u4f20\u8f93 10GE \u4fe1\u53f7\u3002<\/span><\/p>\n<\/li>\n<\/ul>\n

        <\/div><\/span><\/p>\n

        \n

        38\u3001\u5149\u7ea4\u63a5\u53e3\u6709\u54ea\u4e9b\uff1f<\/span><\/h5>\n

        \u5e38\u89c1\u7684\u5149\u7ea4\u63a5\u53e3\u7c7b\u578b\u6709 <\/span>FC<\/strong><\/span> \u3001<\/span>ST<\/strong><\/span> \u3001<\/span>SC<\/strong><\/span> \u548c <\/span>LC<\/strong><\/span> \u3002<\/span><\/p>\n

        <\/div><\/span><\/p>\n
          \n
        • \n

          FC<\/strong><\/span><\/p>\n<\/li>\n<\/ul>\n

          \u5706\u578b\u5e26\u87ba\u7eb9\uff0c\u5916\u58f3\u6750\u8d28\u4e3a\u91d1\u5c5e\uff0c\u63a5\u53e3\u5904\u6709\u87ba\u7eb9\uff0c\u548c\u5149\u6a21\u5757\u8fde\u63a5\u65f6\u53ef\u4ee5\u56fa\u5b9a\u7684\u5f88\u597d\uff0c\u5e38\u7528\u4e8e\u7528\u4e8e\u5149\u7ea4\u914d\u7ebf\u67b6\u3002<\/span><\/p>\n

          <\/div><\/span><\/p>\n
            \n
          • \n

            ST<\/strong><\/span><\/p>\n<\/li>\n<\/ul>\n

            \u5361\u63a5\u5f0f\u5706\u578b\uff0c\u6750\u8d28\u4e3a\u91d1\u5c5e\uff0c\u63a5\u53e3\u5904\u4e3a\u5361\u6263\u5f0f\uff0c\u5e38\u7528\u4e8e\u5149\u7ea4\u914d\u7ebf\u67b6\u3002<\/span><\/p>\n

            <\/div><\/span><\/p>\n
              \n
            • \n

              SC<\/strong><\/span><\/p>\n<\/li>\n<\/ul>\n

              \u5361\u63a5\u5f0f\u65b9\u5f62\uff0c\u4fd7\u79f0<\/span>\u5927\u65b9\u53e3<\/strong><\/span>\uff0c\u6750\u8d28\u4e3a\u5851\u6599\uff0c\u63a8\u62c9\u5f0f\u8fde\u63a5\uff0c\u63a5\u53e3\u53ef\u4ee5\u5361\u5728\u5149\u6a21\u5757\u4e0a\uff0c\u5e38\u7528\u4e8e\u5149\u7ea4\u6536\u53d1\u5668\u548c GBIC \u5149\u6a21\u5757\u3002<\/span><\/p>\n

              <\/div><\/span><\/p>\n
                \n
              • \n

                LC<\/strong><\/span><\/p>\n<\/li>\n<\/ul>\n

                \u5361\u63a5\u5f0f\u65b9\u5f62\uff0c\u4fd7\u79f0<\/span>\u5c0f\u65b9\u53e3<\/strong><\/span>\uff0c\u6750\u8d28\u4e3a\u5851\u6599\uff0c\u5e38\u7528\u4e8e\u8fde\u63a5 SFP \u5149\u6a21\u5757\u548c\u9884\u7aef\u63a5\u6a21\u5757\u76d2\u3002<\/span><\/p>\n

                <\/div><\/span><\/p>\n

                \n

                <\/h4>\n

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