只封禁一台地址为192.168.1.230主机的access-list正确配置是 (5) 。 A.access-list 110 permit中anyany access-list 110 deny中host 192.168.1.230 any access-list 110 deny ip anyhost 192.168.1.230
B.access-list 110 deny中host 192.168.1.230 any access-list 110 deny中any host 192.168.1.230 access-list 110 permit ip anyany
C.access-list 110 deny ip host 192.168.1.230 any access-list 110 deny ip any host 192.168.1.230
D.access-list 110 deny ip host 192.168.1.230 any access-list 110 permit ip anyany access-list 110 deny ip any host 192.168.1.230
第1题:
在一台Cisco路由器的g3/1上,禁止源地址为某些特定地址段的数据包进出路由器,下列正确的access-list配置是( )。
第2题:
在一台Cisco路由器的g3/1端口封禁端口号为139的TCP和端口号为1434的UDP连接,并封禁ICMP协议,只允许212.15.41.0/26子网的ICMP数据包通过路由器,正确的access-list配置是( )。
第3题:
只封禁一台地址为193.62.40.230主机的access-list的正确配置是
A.access-list 110 permit ip any any access-list 110 deny ip host 193.62.40.230 any access-list 110 deny ip any host 193.62.40.230
B.access-list 110 deny ip host 193.62.40.230any access-list 110 deny ip any host 193.62.40.230 access-list 110 permit ip any any
C.access-list 110 deny ip host 193.62.40.230 any access-list 110 deny ip any host 193.62.40.230
D.access-list 110 deny ip host 193.62.40.230 any access-list 110 permit ip any any access-list 110 deny ip any host 193.62.40.230
第4题:
在一台Cisco路由器的g0/l端口上,封禁所有端口号为2745的TCP数据包和端口号为445的UDP数据包,下列正确的access-list配置是( )。
第5题:
在一台Cisco路由器上,只允许IP地址为212.78.4.100/24的主机和202.34.76.54/26子网上的所有主机远程登录路由器,下列正确的access-list配置是( )。
A.
B.
C.
D.
A.A
B.B
C.C
D.D