题目内容:
Cisc0路由器执行showaccess.1ist命令显示如下一组信息StandardIPaccesslistblockdenyl0.0.0.0.wildcardbits0.255.255.255log
denyl72.16.0.0,wildcardbits0.15.255.255
permitany
根据上述信息,正确的access.1ist配置是( )。 A.Router(config)#access-liststandardblock
Router(config-std-nacl)#deny10.0.0.0255.0.0.0log
Router(config-std-nacl)#deny172.16.0.0255.240.0.0
Router(config-std-nacl)#permitany
B.Router(config)#ipaccess-liststandardblock
Router(config-std-nacl)#permitany
Router(config-std-nacl)#deny10.0.0.00.255.255.255log
Router(config-std-nacl)#deny172.16.0.00.15.255.255
C.Router(config)#ipaccess-liststandardblock
Router(config-std-nacl)#deny10.0.0.0255.O.O.0log
Router(config-std-nacl)#deny172.16.0.0255.240.0.0
Router(config-std-nacl)#permitany
D.Router(config)#ipaccess-liststandardblock
Router(config-std-nacl)#deny10.0.0.00.255.255.255log
Router(config-std-nacl)#deny172.16.0.00.15.255.255
Router(config-std-nacl)#permitany
参考答案:
答案解析: