{"id":723,"date":"2019-09-08T03:00:28","date_gmt":"2019-09-08T03:00:28","guid":{"rendered":"https:\/\/www.jayjaydream.com\/?p=723"},"modified":"2019-09-08T03:00:28","modified_gmt":"2019-09-08T03:00:28","slug":"2019%e5%b9%b4%e4%b8%8a%e5%8d%8a%e5%b9%b4%e7%bd%91%e7%bb%9c%e5%b7%a5%e7%a8%8b%e5%b8%88%e4%b8%8a%e5%8d%88%e5%9f%ba%e7%a1%80%e7%9f%a5%e8%af%86%e7%9c%9f%e9%a2%98","status":"publish","type":"post","link":"https:\/\/www.jayjaydream.com\/?p=723","title":{"rendered":"2019\u5e74\u4e0a\u534a\u5e74\u7f51\u7edc\u5de5\u7a0b\u5e08\u4e0a\u5348\u57fa\u7840\u77e5\u8bc6\u771f\u9898"},"content":{"rendered":"

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A\u3001100<\/p>\n

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D\u3001MyDrivers\\user2\\\u548cuser2\\<\/p>\n

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A\u3001BPSK<\/p>\n

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A\u30018MHz<\/p>\n

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A\u30011000BASE-FX<\/p>\n

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C\u30011000BASE-SX<\/p>\n

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A\u3001\u6700\u5927\u8870\u51cf\u9650\u503c<\/p>\n

B\u3001\u6ce2\u957f\u7a97\u53e3\u53c2\u6570<\/p>\n

C\u3001\u56de\u6ce2\u635f\u8017\u9650\u503c<\/p>\n

D\u3001\u8fd1\u7aef\u4e32\u6270<\/p>\n

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\uff0816\uff09A\u30012\u30013\u30014<\/p>\n

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\uff0818\uff09A\u30010.518%<\/p>\n

B\u30016.25%<\/p>\n

C\u30011.25%<\/p>\n

D\u300125%<\/p>\n

\uff0819\uff09A\u3001100ms<\/p>\n

B\u3001200\u03bcs<\/p>\n

C\u3001125\u03bcs<\/p>\n

D\u3001150\u03bcs<\/p>\n

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A\u3001\u8fde\u63a5\u7ba1\u7406<\/p>\n

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C\u3001\u6d41\u91cf\u63a7\u5236<\/p>\n

D\u3001\u7aef\u53e3\u5bfb\u5740<\/p>\n

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\uff0821\uff09A\u3001SYN SENT<\/p>\n

B\u3001ESTABLISHED<\/p>\n

C\u3001CLOSE-WAIT<\/p>\n

D\u3001LAST-ACK<\/p>\n

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\uff0822\uff09A\u3001\u4ee5\u592a\u5e27<\/p>\n

B\u3001IP\u6570\u636e\u8868<\/p>\n

C\u3001TCP\u6bb5<\/p>\n

D\u3001UDP\u6bb5<\/p>\n

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B\u3001IP\u6570\u636e\u8868<\/p>\n

C\u3001TCP\u6bb5<\/p>\n

D\u3001UDP\u6bb5<\/p>\n

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C\u3001TCP\u6bb5<\/p>\n

D\u3001UDP\u6bb5<\/p>\n

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\uff0825\uff09A\u300110<\/p>\n

B\u300120<\/p>\n

C\u300130<\/p>\n

D\u300140<\/p>\n

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\uff0826\uff09A\u3001RIP<\/p>\n

B\u3001OSPF<\/p>\n

C\u3001IS-IS<\/p>\n

D\u3001BGP<\/p>\n

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B\u3001R2<\/p>\n

C\u3001R3<\/p>\n

D\u3001R4<\/p>\n

\uff0828\uff09A\u3001display bgp routing-table<\/p>\n

B\u3001display isis isdb<\/p>\n

C\u3001display ospf peer<\/p>\n

D\u3001dis ip rout<\/p>\n

\uff0829\uff09A\u3001State<\/p>\n

B\u3001Mode<\/p>\n

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D\u3001MTU<\/p>\n

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\uff0830\uff09A\u300121<\/p>\n

B\u300125<\/p>\n

C\u300153<\/p>\n

D\u3001110<\/p>\n

\u25cf\u5728Linux\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u547d\u4ee4\uff0831\uff09\u9488\u5bf9\u6587\u4ef6newfiles.txt\u4e3a\u6240\u6709\u7528\u6237\u6dfb\u52a0\u6267\u884c\u6743\u9650\u3002<\/p>\n

\uff0831\uff09A\u3001chmod-x newfiles.txt<\/p>\n

B\u3001chmod+x newfiles.txt<\/p>\n

C\u3001chmod-w newfiles.txt<\/p>\n

D\u3001chmod+w newfiles.txt<\/p>\n

\u25cf\u5728Linux\u4e2d\uff0c\u53ef\u5728\uff0832\uff09\u6587\u4ef6\u4e2d\u4fee\u6539Web\u670d\u52a1\u5668\u914d\u7f6e\u3002<\/p>\n

\uff0832\uff09A\u3001\/etc\/host.conf<\/p>\n

B\u3001\/etc\/resolv.conf<\/p>\n

C\u3001\/etc\/inetd.conf<\/p>\n

D\u3001\/etc\/httpd.conf<\/p>\n

\u25cf\u5728Linux\u4e2d\uff0c\u8981\u67e5\u770b\u6587\u4ef6\u7684\u8be6\u7ec6\u4fe1\u606f\uff0c\u53ef\u4f7f\u7528\uff0833\uff09\u547d\u4ee4\u3002<\/p>\n

\uff0833\uff09A\u3001Is-a<\/p>\n

B\u3001Is-I<\/p>\n

C\u3001Is-i<\/p>\n

D\u3001Is-S<\/p>\n

\u25cf\u5728Windows\u547d\u4ee4\u884c\u7a97\u53e3\u4e2d\u4f7f\u7528\uff0834\uff09\u547d\u4ee4\u53ef\u4ee5\u67e5\u770b\u672c\u673a\u5404\u4e2a\u63a5\u53e3\u7684DHCP\u670d\u52a1\u662f\u5426\u5df2\u542f\u7528\u3002<\/p>\n

\uff0834\uff09A\u3001ipconfig<\/p>\n

B\u3001ipconfig\/all<\/p>\n

C\u3001ipconfig\/renew<\/p>\n

D\u3001ipconfig\/release<\/p>\n

\u25cf\u5728Windows\u7cfb\u7edf\u7684\u670d\u52a1\u9879\u4e2d\uff0c\uff0835\uff09\u670d\u52a1\u4f7f\u7528SMB\u534f\u8bae\u521b\u5efa\u5e76\u7ef4\u62a4\u5ba2\u6237\u7aef\u7f51\u7edc\u4e0e\u8fdc\u7a0b\u670d\u52a1\u5668\u4e4b\u95f4\u7684\u94fe\u63a5\u3002<\/p>\n

\uff0835\uff09A.SNMP Trap<\/p>\n

B\u3001Windows Search<\/p>\n

C\u3001Workstation<\/p>\n

D\u3001Superfetch<\/p>\n

\u25cf\u4e0b\u5217\u4e0d\u5c5e\u4e8e\u7535\u5b50\u90ae\u4ef6\u534f\u8bae\u7684\u662f\uff0836\uff09\u3002<\/p>\n

\uff0836\uff09A\u3001POP3<\/p>\n

B\u3001IMAP<\/p>\n

C\u3001SMTP<\/p>\n

D\u3001MPLS<\/p>\n

\u25cf\u4e0b\u8ff0\u534f\u8bae\u4e2d\u4e0e\u5b89\u5168\u7535\u5b50\u90ae\u7bb1\u670d\u52a1\u65e0\u5173\u7684\u662f\uff0837\uff09\u3002<\/p>\n

\uff0837\uff09A\u3001SSL<\/p>\n

B\u3001HTTPS<\/p>\n

C\u3001MIME<\/p>\n

D\u3001PGP<\/p>\n

\u25cfDHCP\u670d\u52a1\u5668\u8bbe\u7f6e\u4e86C\u7c7b\u79c1\u6709\u5730\u5740\u4e3a\u5730\u5740\u6c60\uff0c\u67d0Windows\u5ba2\u6237\u7aef\u83b7\u5f97\u7684\u5730\u5740\u662f169.254.107.100\uff0c\u51fa\u73b0\u8be5\u73b0\u8c61\u53ef\u80fd\u7684\u539f\u56e0\u662f\uff0838\uff09\u3002<\/p>\n

A\u3001\u8be5\u7f51\u6bb5\u5b58\u5728\u591a\u53f0DHCP\u670d\u52a1\u5668<\/p>\n

B\u3001DHCP\u670d\u52a1\u5668\u4e3a\u5ba2\u6237\u7aef\u5206\u914d\u4e86\u8be5\u5730\u5740<\/p>\n

C\u3001DHCP\u670d\u52a1\u5668\u505c\u6b62\u5de5\u4f5c<\/p>\n

D\u3001\u5ba2\u6237\u7aefTCP\/IP\u534f\u8bae\u914d\u7f6e\u9519\u8bef<\/p>\n

\u25cf\u5728Windows Server2008\u7cfb\u7edf\u4e2d\uff0c\u4e0d\u80fd\u4f7f\u7528IIS\u642d\u5efa\u7684\u662f\uff0839\uff09\u670d\u52a1\u5668\u3002<\/p>\n

\uff0839\uff09A\u3001WEB<\/p>\n

B\u3001DNS<\/p>\n

C\u3001SMTP<\/p>\n

D\u3001FTP<\/p>\n

\u25cf\u7528\u6237\u53d1\u51faHTTP\u8bf7\u6c42\u540e\uff0c\u6536\u5230\u72b6\u6001\u7801\u4e3a505\u7684\u54cd\u5e94\uff0c\u51fa\u73b0\u8be5\u73b0\u8c61\u7684\u539f\u56e0\u662f\uff0840\uff09\u3002<\/p>\n

\uff0840\uff09A\u3001\u9875\u9762\u8bf7\u6c42\u6b63\u5e38\uff0c\u6570\u636e\u4f20\u8f93\u6210\u529f<\/p>\n

B\u3001\u670d\u52a1\u5668\u6839\u636e\u5ba2\u6237\u7aef\u8bf7\u6c42\u5207\u6362\u534f\u8bae<\/p>\n

C\u3001\u670d\u52a1\u5668\u7aefHTTP\u7248\u672c\u4e0d\u652f\u6301<\/p>\n

D\u3001\u8bf7\u6c42\u8d44\u6e90\u4e0d\u5b58\u5728<\/p>\n

\u25cf\u975e\u5bf9\u79f0\u52a0\u5bc6\u7b97\u6cd5\u4e2d\uff0c\u52a0\u5bc6\u548c\u89e3\u5bc6\u4f7f\u7528\u4e0d\u540c\u7684\u5bc6\u94a5\uff0c\u4e0b\u9762\u7684\u52a0\u5bc6\u7b97\u6cd5\u4e2d\uff0841\uff09\u5c5e\u4e8e\u975e\u5bf9\u79f0\u52a0\u5bc6\u7b97\u6cd5\u3002\u82e5\u7532\u3001\u4e59\u91c7\u7528\u975e\u5bf9\u79f0\u5bc6\u94a5\u4f53\u7cfb\u8fdb\u884c\u4fdd\u5bc6\u901a\u4fe1\uff0c\u7532\u7528\u4e59\u7684\u516c\u94a5\u52a0\u5bc6\u6570\u636e\u6587\u4ef6\uff0c\u4e59\u4f7f\u7528\uff0842\uff09\u6765\u5bf9\u6570\u636e\u6587\u4ef6\u8fdb\u884c\u89e3\u5bc6\u3002<\/p>\n

\uff0841\uff09A\u3001AES<\/p>\n

B\u3001RAS<\/p>\n

C\u3001IDEA<\/p>\n

D\u3001DES<\/p>\n

\uff0842\uff09A\u3001\u7532\u7684\u516c\u94a5<\/p>\n

B\u3001\u7532\u7684\u79c1\u94a5<\/p>\n

C\u3001\u4e59\u7684\u516c\u94a5<\/p>\n

D\u3001\u4e59\u7684\u79c1\u94a5<\/p>\n

\u25cf\u7528\u6237A\u548cB\u8981\u8fdb\u884c\u5b89\u5168\u901a\u4fe1\uff0c\u901a\u4fe1\u8fc7\u7a0b\u9700\u786e\u8ba4\u53cc\u65b9\u8eab\u4efd\u548c\u6d88\u606f\u4e0d\u53ef\u5426\u8ba4\uff0cA\u3001B\u901a\u4fe1\u65f6\u53ef\u4f7f\u7528\uff0843\uff09\u6765\u5bf9\u7528\u6237\u7684\u8eab<\/p>\n

\u4efd\u8fdb\u884c\u8ba4\u8bc1\uff0c\u4f7f\u7528\uff0844\uff09\u786e\u4fdd\u6d88\u606f\u4e0d\u53ef\u5426\u8ba4\u3002<\/p>\n

\uff0843\uff09A\u3001\u6570\u5b57\u8bc1\u4e66<\/p>\n

B\u3001\u6d88\u606f\u52a0\u5bc6<\/p>\n

C\u3001\u7528\u6237\u79c1\u94a5<\/p>\n

D\u3001\u6570\u5b57\u7b7e\u540d<\/p>\n

\uff0844\uff09A\u3001\u6570\u5b57\u8bc1\u4e66<\/p>\n

B\u3001\u6d88\u606f\u52a0\u5bc6<\/p>\n

C\u3001\u7528\u6237\u79c1\u94a5<\/p>\n

D\u3001\u6570\u5b57\u7b7e\u540d<\/p>\n

\u25cfWindows7\u73af\u5883\u4e0b\uff0c\u5728\u547d\u4ee4\u8fd0\u884c\u72b6\u6001\u4e0b\u6267\u884c\uff0845\uff09\u547d\u4ee4\uff0c\u53ef\u5f97\u5230\u4e0b\u56fe\u6240\u793a\u7684\u8f93\u51fa\u7ed3\u679c\uff0c\u8f93\u51fa\u7ed3\u679c\u4e2d\u7684\uff0846\uff09\u9879\uff0c<\/p>\n

\u8bf4\u660eSNMP\u670d\u52a1\u5df2\u7ecf\u542f\u52a8\uff0c\u5bf9\u5e94\u7aef\u53e3\u5df2\u7ecf\u5f00\u542f\u3002<\/p>\n

\"2019\u5e74\u4e0a\u534a\u5e74\u7f51\u7edc\u5de5\u7a0b\u5e08\u4e0a\u5348\u57fa\u7840\u77e5\u8bc6\u771f\u9898<\/p>\n

\uff0845\uff09A\u3001netstat-a<\/p>\n

B\u3001ipconfig\/all<\/p>\n

C\u3001tasklist<\/p>\n

D\u3001net start<\/p>\n

\uff0846\uff09A\u3001UDP 0.0.0.0:161<\/p>\n

B\u3001UDP 0.0.0.0:500<\/p>\n

C\u3001TCP 0.0.0.0:135<\/p>\n

D\u3001TCP 0.0.0.0:445<\/p>\n

\u25cf\u4f7f\u7528snmptuil.exe\u53ef\u4ee5\u67e5\u770b\u4ee3\u7406\u7684MIB\u5bf9\u8c61\uff0c\u4e0b\u5217\u6587\u672c\u6846\u5185oid\u90e8\u5206\u662f\uff0847\uff09\u3002<\/p>\n

\"2019\u5e74\u4e0a\u534a\u5e74\u7f51\u7edc\u5de5\u7a0b\u5e08\u4e0a\u5348\u57fa\u7840\u77e5\u8bc6\u771f\u9898<\/p>\n

\uff0847\uff09A\u3001192.168.1.31<\/p>\n

B\u30011.3.6.1.2.1.1.3.0<\/p>\n

C\u3001system.sysUpTime.0<\/p>\n

D\u3001TimeTicks 1268803<\/p>\n

\u25cf\u5728\u534e\u4e3a\u4ea4\u6362\u673a\u7684\u6545\u969c\u8bca\u65ad\u547d\u4ee4\u4e2d\uff0c\u67e5\u770b\u544a\u8b66\u4fe1\u606f\u7684\u547d\u4ee4\u662f\uff0848\uff09\u3002<\/p>\n

\uff0848\uff09A\u3001dis patch<\/p>\n

B\u3001dis trap<\/p>\n

C\u3001dis int br<\/p>\n

D\u3001dis cu<\/p>\n

\u25cf\u534e\u4e3a\u4ea4\u6362\u673a\u4e0d\u65ad\u91cd\u542f\uff0c\u6bcf\u6b21\u5728\u914d\u7f6e\u6062\u590d\u9636\u6bb5\uff08\u672a\u8f93\u51fa\u201cRecover congfiguration…\u201d\u4e4b\u524d\uff09\u5c31\u53d1\u751f\u590d\u4f4d\uff0c\u4e0b<\/p>\n

\u9762\u54ea\u4e2a\u6545\u969c\u5904\u7406\u63aa\u65bd\u53ef\u4ee5\u4e0d\u8003\u8651\uff1f\uff0849\uff09\u3002<\/p>\n

\uff0849\uff09A\u3001\u91cd\u4f20\u7cfb\u7edf\u5927\u5305\u6587\u4ef6\uff0c\u5e76\u8bbe\u7f6e\u4e3a\u542f\u52a8\u6587\u4ef6\uff0c\u91cd\u542f\u8bbe\u5907<\/p>\n

B\u3001\u65b0\u5efa\u7a7a\u7684\u914d\u7f6e\u6587\u4ef6\u4e0a\u4f20\uff0c\u5e76\u8bbe\u7f6e\u4e3a\u542f\u52a8\u6587\u4ef6\uff0c\u91cd\u542f\u8bbe\u5907<\/p>\n

C\u3001\u91cd\u4f20\u7cfb\u7edf\u5927\u5305\u6587\u4ef6\u95ee\u9898\u8fd8\u672a\u89e3\u51b3\uff0c\u518d\u6b21\u66f4\u65b0BOOTROM<\/p>\n

D\u3001\u591a\u6b21\u91cd\u542f\u540e\u95ee\u9898\u65e0\u6cd5\u89e3\u51b3\uff0c\u5c06\u95ee\u9898\u53cd\u9988\u7ed9\u534e\u4e3a\u6280\u672f\u652f\u6301<\/p>\n

\u25cf\u8bbe\u5907\u4e0a\u65e0\u6cd5\u521b\u5efa\u6b63\u786e\u7684MAC\u8f6c\u53d1\u8868\u9879\uff0c\u9020\u6210\u4e8c\u5c42\u6570\u636e\u8f6c\u53d1\u5931\u8d25\uff0c\u6545\u969c\u7684\u539f\u56e0\u5305\u62ec\uff0850\uff09\u3002<\/p>\n

\u2460MAC\u3001\u63a5\u53e3\u3001VLAN\u7ed1\u5b9a\u9519\u8bef<\/p>\n

\u2461\u914d\u7f6e\u4e86MAC\u5730\u5740\u5b66\u4e60\u53bb\u4f7f\u80fd<\/p>\n

\u2462\u5b58\u5728\u73af\u8defMAC\u5730\u5740\u5b66\u4e60\u9519\u8bef<\/p>\n

\u2463MAC\u8868\u9879\u9650\u5236\u6216\u8d85\u89c4\u683c<\/p>\n

\uff0850\uff09A\u3001\u2460\u2461\u2462\u2463<\/p>\n

B\u3001\u2460\u2461\u2463<\/p>\n

C\u3001\u2461\u2462<\/p>\n

D\u3001\u2461\u2463<\/p>\n

\u25cf\u5047\u8bbe\u67d0\u516c\u53f8\u67098000\u53f0\u4e3b\u673a\uff0c\u91c7\u7528CIDR\u65b9\u6cd5\u8fdb\u884c\u5212\u5206\uff0c\u5219\u81f3\u5c11\u7ed9\u5b83\u5206\u914d\uff0851\uff09\u4e2aC\u7c7b\u7f51\u7edc\u3002\u5982\u679c192.168.210.181\u662f\u5176\u4e2d\u4e00\u53f0\u4e3b\u673a\u5730\u5740\uff0c\u5219\u5176\u7f51\u7edc\u5730\u5740\u4e3a\uff0852\uff09\u3002<\/p>\n

\uff0851\uff09A\u30018<\/p>\n

B\u300110<\/p>\n

C\u300116<\/p>\n

D\u300132<\/p>\n

\uff0852\uff09A\u3001192.168.192.0\/19<\/p>\n

B\u3001192.168.192.0\/20<\/p>\n

C\u3001192.168.208.0\/19<\/p>\n

D\u3001192.168.208.0\/20<\/p>\n

\u25cf\u8def\u7531\u5668\u6536\u5230\u4e00\u4e2a\u6570\u636e\u62a5\u6587\uff0c\u5176\u76ee\u6807\u5730\u5740\u4e3a20.112.17.12\uff0c\u8be5\u5730\u5740\u5c5e\u4e8e\uff0853\uff09\u5b50\u7f51\u3002<\/p>\n

\uff0853\uff09A\u300120.112.17.8\/30<\/p>\n

B\u300120.112.16.0\/24<\/p>\n

C\u300120.96.0.0\/11<\/p>\n

D\u300120.112.18.0\/23<\/p>\n

\u25cfIPv6\u57fa\u672c\u9996\u90e8\u7684\u957f\u5ea6\u4e3a\uff0854\uff09\u4e2a\u5b57\u8282\uff0c\u5176\u4e2d\u4e0eIPv4\u4e2dTTL\u5b57\u6bb5\u5bf9\u5e94\u7684\u662f\uff0855\uff09\u5b57\u6bb5\u3002<\/p>\n

\uff0854\uff09A\u300120<\/p>\n

B\u300140<\/p>\n

C\u300164<\/p>\n

D\u3001128<\/p>\n

\uff0855\uff09A\u3001\u8d1f\u8f7d\u957f\u5ea6<\/p>\n

B\u3001\u901a\u4fe1\u7c7b\u578b<\/p>\n

C\u3001\u8df3\u6570\u9650\u5236<\/p>\n

D\u3001\u4e0b\u4e00\u9996\u90e8<\/p>\n

\u25cf\u67d0\u6821\u56ed\u7f51\u7684\u5730\u5740\u662f202.115.192.0\/19\uff0c\u8981\u628a\u8be5\u7f51\u7edc\u5206\u621030\u4e2a\u5b50\u7f51\uff0c\u5219\u5b50\u7f51\u63a9\u7801\u5e94\u8be5\u662f\uff0856\uff09\u3002<\/p>\n

\uff0856\uff09A\u3001255.255.200.0<\/p>\n

B\u3001255.255.224.0<\/p>\n

C\u3001255.255.254.0<\/p>\n

D\u3001255.255.255.0<\/p>\n

\u25cf\u4e0b\u56fe1\u6240\u793a\u662f\u56fe2\u6240\u793a\u7f51\u7edc\u53d1\u751f\u94fe\u8def\u6545\u969c\u65f6\u7684\u90e8\u5206\u8def\u7531\u4fe1\u606f\uff0c\u8be5\u4fe1\u606f\u6765\u81ea\u8bbe\u5907\uff0857\uff09\uff0c\u53d1\u751f\u6545\u969c\u7684\u63a5\u53e3\u662f\uff0858\uff09\u3002<\/p>\n

\"2019\u5e74\u4e0a\u534a\u5e74\u7f51\u7edc\u5de5\u7a0b\u5e08\u4e0a\u5348\u57fa\u7840\u77e5\u8bc6\u771f\u9898<\/p>\n

\uff0857\uff09A\u3001R1<\/p>\n

B\u3001R2<\/p>\n

C\u3001R3<\/p>\n

D\u3001R4<\/p>\n

\uff0858\uff09A\u3001R2 GE0\/0\/1<\/p>\n

B\u3001R2 GE0\/0\/2<\/p>\n

C\u3001R4 GE0\/0\/1<\/p>\n

D\u3001R4 GE0\/0\/2<\/p>\n

\u25cf\u4ee5\u592a\u7f51\u7684\u6700\u5927\u5e27\u957f\u4e3a1518\u5b57\u8282\uff0c\u6bcf\u4e2a\u6570\u636e\u5e27\u524d\u9762\u67098\u4e2a\u5b57\u8282\u7684\u524d\u5bfc\u5b57\u6bb5\uff0c\u5e27\u95f4\u9694\u4e3a9.6\u03bcs\u3002\u4f20\u8f93240000bit\u7684IP\u6570\u636e\u62a5\uff0c\u91c7\u7528100BASE-TX\u7f51\u7edc\uff0c\u9700\u8981\u7684\u6700\u77ed\u65f6\u95f4\u4e3a\uff0859\uff09\u3002<\/p>\n

\uff0859\uff09A\u30011.23ms<\/p>\n

B\u300112.3ms<\/p>\n

C\u30012.63ms<\/p>\n

D\u300126.3ms<\/p>\n

\u25cf\u4e0b\u9762\u5217\u51fa\u76844\u79cd\u5feb\u901f\u4ee5\u592a\u7f51\u7269\u7406\u5c42\u6807\u51c6\u4e2d\uff0c\u91c7\u75284B5B\u7f16\u7801\u6280\u672f\u7684\u662f\uff0860\uff09\u3002<\/p>\n

\uff0860\uff09A\u3001100BASE-FX<\/p>\n

B\u3001100BASE-T4<\/p>\n

C\u3001100BASE-TX<\/p>\n

D\u3001100BASE-T2<\/p>\n

\u25cf\u4ee5\u592a\u7f51\u534f\u8bae\u4e2d\u4f7f\u7528\u4e86\u4e8c\u8fdb\u5236\u6307\u6570\u540e\u9000\u7b97\u6cd5\uff0c\u5176\u51b2\u7a81\u540e\u6700\u5927\u7684\u5c1d\u8bd5\u6b21\u6570\u4e3a\uff0861\uff09\u6b21\u3002<\/p>\n

\uff0861\uff09A\u30018<\/p>\n

B\u300110<\/p>\n

C\u300116<\/p>\n

D\u300120<\/p>\n

\u25cf\u9707\u7f51\uff08Stuxnet\uff09\u75c5\u6bd2\u662f\u4e00\u79cd\u7834\u574f\u5de5\u4e1a\u57fa\u7840\u8bbe\u65bd\u7684\u6076\u610f\u4ee3\u7801\uff0c\u5229\u7528\u7cfb\u7edf\u6f0f\u6d1e\u653b\u51fb\u5de5\u4e1a\u63a7\u5236\u7cfb\u7edf\uff0c\u662f\u4e00\u79cd\u5371\u5bb3\u6027<\/p>\n

\u6781\u5927\u7684\uff0862\uff09\u3002<\/p>\n

\uff0862\uff09A\u3001\u5f15\u5bfc\u533a\u75c5\u6bd2<\/p>\n

B\u3001\u5b8f\u75c5\u6bd2<\/p>\n

C\u3001\u6728\u9a6c\u75c5\u6bd2<\/p>\n

D\u3001\u8815\u866b\u75c5\u6bd2<\/p>\n

\u25cf\u9ed8\u8ba4\u7ba1\u7406VLAN\u662f\uff0863\uff09\u3002<\/p>\n

\uff0863\uff09A\u3001VLAN 0<\/p>\n

B\u3001VLAN 1<\/p>\n

C\u3001VLAN 10<\/p>\n

D\u3001VLAN 100<\/p>\n

\u25cf\u4ee5\u4e0b\u5173\u4e8e\u8df3\u9891\u6269\u9891\u6280\u672f\u7684\u63cf\u8ff0\u4e2d\uff0c\u6b63\u786e\u7684\u662f\uff0864\uff09\u3002<\/p>\n

\uff0864\uff09A\u3001\u6269\u9891\u901a\u4fe1\u51cf\u5c11\u4e86\u5e72\u6270\u5e76\u6709\u5229\u4e8e\u901a\u4fe1\u4fdd\u5bc6<\/p>\n

B\u3001\u7528\u4e0d\u540c\u7684\u9891\u7387\u4f20\u64ad\u4fe1\u53f7\u6269\u5927\u4e86\u901a\u4fe1\u7684\u8303\u56f4<\/p>\n

C\u3001\u6bcf\u4e00\u4e2a\u4fe1\u53f7\u6bd4\u7279\u7f16\u7801\u6210N\u4e2a\u7801\u7247\u6bd4\u7279\u6765\u4f20\u8f93<\/p>\n

D\u3001\u4fe1\u53f7\u6563\u6b65\u5230\u66f4\u5bbd\u7684\u9891\u5e26\u4e0a\u589e\u52a0\u4e86\u4fe1\u9053\u963b\u585e\u7684\u6982\u7387<\/p>\n

\u25cf\u4e0b\u5217\u65e0\u7ebf\u7f51\u7edc\u6280\u672f\u4e2d\uff0c\u8986\u76d6\u8303\u56f4\u6700\u5c0f\u7684\u662f\uff0865\uff09\u3002<\/p>\n

\uff0865\uff09A\u3001802.15.1\u84dd\u7259<\/p>\n

B\u3001802.11n\u65e0\u7ebf\u5c40\u57df\u7f51<\/p>\n

C\u3001802.15.4 ZigBee<\/p>\n

D\u3001802.16m\u65e0\u7ebf\u57ce\u57df\u7f51<\/p>\n

\u25cf\u65e0\u7ebf\u5c40\u57df\u7f51\u4e2dAP\u7684\u8f6e\u8be2\u4f1a\u8bf4\u7684\u5f02\u6b65\u5e27\uff0c\u5728IEEE802.11\u7f51\u7edc\u4e2d\u5b9a\u4e49\u4e86\uff0866\uff09\u673a\u5236\u6765\u89e3\u51b3\u8fd9\u4e00\u95ee\u9898\u3002<\/p>\n

\uff0866\uff09A\u3001RTS\/CTS\u673a\u5236<\/p>\n

B\u3001\u4e8c\u8fdb\u5236\u6307\u6570\u9000\u907f<\/p>\n

C\u3001\u8d85\u7ea7\u5e27<\/p>\n

D\u3001\u65e0\u4e89\u7528\u670d\u52a1<\/p>\n

\u25cfRAID\u6280\u672f\u4e2d\uff0c\u78c1\u76d8\u5bb9\u91cf\u5229\u7528\u7387\u6700\u4f4e\u7684\u662f\uff0867\uff09\u3002<\/p>\n

\uff0867\uff09A\u3001RAID0<\/p>\n

B\u3001RAID1<\/p>\n

C\u3001RAID5<\/p>\n

D\u3001RAID6<\/p>\n

\u25cf\u4e09\u5c42\u7f51\u7edc\u8bbe\u8ba1\u65b9\u6848\u4e2d\uff0c\uff0868\uff09\u662f\u6c47\u805a\u5c42\u7684\u529f\u80fd\u3002<\/p>\n

\uff0868\uff09A\u3001\u4e0d\u540c\u533a\u57df\u7684\u9ad8\u901f\u6570\u636e\u8f6c\u53d1<\/p>\n

B\u3001\u7528\u6237\u8ba4\u8bc1\u3001\u8ba1\u8d39\u7ba1\u7406<\/p>\n

C\u3001\u7ec8\u7aef\u7528\u6237\u63a5\u5165\u7f51\u7edc<\/p>\n

D\u3001\u5b9e\u73b0\u7f51\u7edc\u7684\u8bbf\u95ee\u7b56\u7565\u63a7\u5236<\/p>\n

\u25cf\u4ee5\u4e0b\u5173\u4e8e\u7f51\u7edc\u5de5\u7a0b\u9700\u6c42\u5206\u6790\u7684\u53d9\u8ff0\u4e2d\uff0c\u9519\u8bef\u7684\u662f\uff0869\uff09\u3002<\/p>\n

\uff0869\uff09A\u3001\u4efb\u4f55\u7f51\u7edc\u90fd\u4e0d\u53ef\u80fd\u662f\u4e00\u4e2a\u80fd\u591f\u6ee1\u8db3\u5404\u9879\u529f\u80fd\u9700\u6c42\u7684\u4e07\u80fd\u7f51<\/p>\n

B\u3001\u9700\u6c42\u5206\u6790\u8981\u5145\u5206\u8003\u8651\u7528\u6237\u7684\u4e1a\u52a1\u9700\u6c42<\/p>\n

C\u3001\u9700\u6c42\u7684\u5b9a\u4e49\u8d8a\u660e\u786e\u548c\u8be6\u7ec6\uff0c\u7f51\u7edc\u5efa\u6210\u540e\u7528\u6237\u7684\u6ee1\u610f\u5ea6\u8d8a\u9ad8<\/p>\n

D\u3001\u7f51\u7edc\u9700\u6c42\u5206\u6790\u65f6\u53ef\u4ee5\u5148\u4e0d\u8003\u8651\u6210\u672c\u56e0\u7d20<\/p>\n

\u25cf\u4e0b\u56fe\u4e3a\u67d0\u7f51\u7edc\u5de5\u7a0b\u9879\u76ee\u7684\u65bd\u5de5\u8ba1\u5212\u56fe\uff0c\u8981\u6c42\u8be5\u9879\u76ee7\u5929\u5185\u5b8c\u5de5\uff0c\u81f3\u5c11\u9700\u6c42\u6295\u5165\uff0870\uff09\u4eba\u624d\u80fd\u5b8c\u6210\u8be5\u9879\u76ee\uff08\u5047\u8bbe\u6bcf\u4e2a\u6280\u672f\u4eba\u5458\u5747\u80fd\u80dc\u4efb\u6bcf\u9879\u5de5\u4f5c\uff09\u3002<\/p>\n

\"2019\u5e74\u4e0a\u534a\u5e74\u7f51\u7edc\u5de5\u7a0b\u5e08\u4e0a\u5348\u57fa\u7840\u77e5\u8bc6\u771f\u9898<\/p>\n

\uff0870\uff09A\u30014<\/p>\n

B\u30016<\/p>\n

C\u30017<\/p>\n

D\u300114<\/p>\n

\u25cfNetwork security consists of policies and practices to prevent and monitor (71) access,misuse, modification, or denial of a computer network and network-accessible resources.Network security involves the authorization of access to data in a network, which is controlled by the network\uff0872).Users choose or are assigned an ID and password or other authenticating information that allows them to access to information and programs within their authority.Network security secures the network, as well as protecting and overseeing operations being done. The most common and simple way of protecting a network resource is by assigning it a (73) name and a corresponding password. Network security starts with authentication. Once authenticated,a\uff0874\uff09enforces access policies such as what services are allowed to be accessed by the network users.Though effective to prevent unauthorized access, this component may fail to check potentially harmful content such as computer(75)or Trojans being transmitted over the network.<\/p>\n

(71) A\u3001unauthorized<\/p>\n

B\u3001harmful<\/p>\n

C\u3001dangerous<\/p>\n

D\u3001frequent<\/p>\n

(72) A\u3001user<\/p>\n

B\u3001agent<\/p>\n

C\u3001server<\/p>\n

D\u3001administrator<\/p>\n

(73) A\u3001complex<\/p>\n

B\u3001unique<\/p>\n

C\u3001catchy<\/p>\n

D\u3001long<\/p>\n

(74) A\u3001firewall<\/p>\n

B\u3001proxy<\/p>\n

C\u3001gateway<\/p>\n

D\u3001host<\/p>\n

(75) A\u3001spams<\/p>\n

B\u3001malwares<\/p>\n

C\u3001worms<\/p>\n

D\u3001programs<\/p>\n","protected":false},"excerpt":{"rendered":"

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