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在一台Cisco路由器上执行show access-lists命令显示如下一组限制远程登录的访问控制列表信息 Standard IP access list 40 permit 167.112.75.89 (54 matches) permit 202.113.65.56(12 matches) deny any (1581 matches) 根据上述信息,正确的access-list的配置是()。


  • A.Router (config)#access-list 40 permit 167.112.75.89? Router (config)#access-list 40 permit 202.113.65.56? Router (config)#access-list 40 deny any Router (config)#line vty 0 5 Router (config-line)#access-class 40 in
  • B.Router (config)#access-list 40 permit 167.112.75.89 log Router (config)#access-list 40 permit 202.113.65.56 log Router (config)#access-list 40 deny any log Router (config)#line vty 0 5 Router (config-line)#access-class 40 in
  • C.Router (config)#access-list 40 permit 167.112.75.89 log Router (config)#access-list 40 permit 202.113.65.56 log Router (config)#access-list 40 deny any log Router (config)#line vty 0 5 Router (config-line)#access-class 40 out
  • D.Router (config)#access-list 40 permit 167.112.75.89? Router (config)#access-list 40 permit 202.113.65.56? Router (config)#access-list 40 deny any log Router (config)#line vty 0 5 Router (config-line)#access-class 40 out
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参考答案:A
解析:

根据配置标准访问控制列表的命令格式:accesslist accesslistnumber{permit |deny} source wildeardmask 可知,B、C明显错误,D选项accesslist 40deny any后面不用加log。
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