單項(xiàng)選擇題The Testking Corporation consists of the head office in New York with its regional offices in: Chicago, Detroit, Philadelphia, Toronto, and Atlanta. These offices need to be connected in a WAN, and Testking wishes to do this via a hub and spoke arrangement that will utilize packet-switched technology.Which one of the WAN technologies below would be the best choice for Testking?（）

A. ISDN
B. Wireless
C. Frame Relay
D. T1 leased line
E. ATM
F. VPN


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2.單項(xiàng)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

3.單項(xiàng)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

4.單項(xiàng)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

5.多項(xiàng)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.