A.NAT
B.BGP
C.DHCP
D.APIPA
第1题:
Cisco路由器执行show access-list命令显示如下一组控制列表信息:
Standard IP acceSS list 30
deny 127.0.0.0,wildcard bits 0.255.255.255
deny 172.16.0.0,wiidcard bits 0.15.255.255
permft any
根据上述信息,正确的access-list配置是______。
A) Router(config)#access-list 30 deny 127.0.0.0 255.255.255.0
Router(config)#access-list 30 deny 172.16.0.0 255.240.0.0
Router(config)#access-list 30 permit any
B) Router(config-std-nacl)#access-list 30 deny 127.0.0.0 0.255.255.255
Router(config-std-nael)#access-list 30 deny 172.16.0.0 0.15.255.255
Router(config-std-nacl)#access-list 30 permit any
C) Router(config)#access-list 30 deny 127.0.0.0 0.255.255.255
Router(config)#access-list 30 deny 172.16.0.0 0.15.255.255
Router(config)#access-list 30 permit any
D) Router(config)#access-list 30 deny 127.0.0.0 0.255.255.255
Router(config)#access-list 30 permit any
Router(config)#access-list 30 deny 172.16.0.0 0.15.255.255
A.
B.
C.
D.
第2题:
A. Router(config-line)# access-class 10 in
B. Router(config-if)# ip access-class 23 out
C. Router(config-line)# access-group 15 out
D. Router(config-if)# ip access-group 110 in
E. Router(config-line)# access-list 150 in
F. Router(config-if)# ip access-list 128 out
第3题:
第4题:
该网络的Internet接入如图12-11所示:
根据图12-11,解释以下配置命令,填写空格(9)~(12):
1.Router(config) interface s0/0
2.router(config-if) ip address 61.235.1.1 255.255.255.252(9)
3.router(config) ip route 0.0.0.0 0.0.0.0 s0/0(10)
4.router(config) ip route 192.168.0.0 255.255.255.0 f0/0(11)
5.router(config) access-list 100 deny any any eq telnet(12)
第5题:
A. Router(config)# access-list 1 deny 172.31.212.74 any
B. Router(config)# access-list 1 deny 10.6.111.48 host
C. Router(config)# access-list 1 deny 172.16.4.13 0.0.0.0
D. Router(config)# access-list 1 deny 192.168.14.132 255.255.255.0
E. Router(config)# access-list 1 deny 192.168.166.127 255.255.255.255
第6题:
在配置PAT的过程中,定义内部本地地址范围正确的是:
A.Router(config)#access-list 10 permit 192.168.1.0 0.0.0.255
B.Router#access-list 10 permit 192.168.1.0 0.0.0.255
C.Router(config)#access-list 10 permit 192.168.1.0 255.255.255.0
D.Router#access-list 10 permit 192.168.1.0 255.255.255.0