單項選擇題The TestKing network is subnetted using 29 bits for the subnet mask. Which wild card mask should be used to configure an extended access list to permit or deny access to an entire subnetwork?（）

A. 255.255.255.224
B. 255.255.255.248
C. 0.0.0.224
D. 0.0.0.8
E. 0.0.0.7
F. 0.0.0.3


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1.單項選擇題A standard IP access list is applied to an Ethernet interface of a router. What does this standard access list filter on?（）

A. The source and destination addresses
B. The destination port number
C. The destination address
D. The source address
E. All of the above

2.單項選擇題Which IP address and wildcard mask would you use in your ACL to block all the hosts in the subnet 192.168.16.43/28?（）

A. 192.168.16.32 0.0.0.16
B. 192.168.16.43 0.0.0.212
C. 192.168.16.0 0.0.0.15
D. 192.168.16.32 0.0.0.15
E. 192.168.16.0 0.0.0.31
F. 192.168.16.16 0.0.0.31

3.單項選擇題Which of the following access list statements would deny traffic from a specifichost?（）

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

4.多項選擇題Which of the following answer choices are correct characteristics of named access list?（）

A. You can delete individual statements in a named access list
B. Named access lists require a numbered range from 1000 to 1099.
C. Named access lists must be specified as standard or extended.
D. You can use the ip access-list command to create named access lists.
E. You cannot delete individual statements in a named access list.
F. You can use the ip name-group command to apply named access lists.

5.單項選擇題Which one of the access control list statements below will deny all telnet connections to subnet 10.10.1.0/24?（）

A. access-list 15 deny telnet any 10.10.1.0 0.0.0.255 eq 23
B. access-list 115 deny udp any 10.10.1.0 eq telnet
C. access-list 15 deny tcp 10.10.1.0 255.255.255.0 eq telnet
D. access-list 115 deny tcp any 10.10.1.0 0.0.0.255 eq 23
E. access-list 15 deny udp any 10.10.1.0 255.255.255.0 eq 23