單項選擇題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.

6.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

7.多項選擇題On the Hong Kong router an access list is needed that will accomplish the following:1. Allow a Telnet connection to the HR Server through the Internet2. Allow internet HTTP traffic to access the webserver3. Block any other traffic from the internet to everything elseWhich of the following access list statements are capable of accomplishing thesethree goals?（）

A. access-list 101 permit tcp any 172.17.18.252 0.0.0.0 eq 80
B. access-list 1 permit tcp any 172.17.17.252 0.0.0.0 eq 23
C. access-list 101 permit tcp 172.17.17.252 0.0.0.0 any eq 23
D. access-list 101 deny tcp any 172.17.17.252 0.0.0.0 eq 23
E. access-list 101 deny tcp any 172.17.18.252 0.0.0.0 eq 80
F. access-list 101 permit tcp any 172.17.17.252 0.0.0.0 eq 23

8.多項選擇題Which of the following are benefits provided with access control lists (ACLs)?（）

A. ACLs monitor the number of bytes and packets.
B. Virus detection.
C. ACLs dentify interesting traffic for DDR.
D. ACLs provide IP route filtering.
E. ACLs provide high network availability.
F. ACLs classify and organize network traffic.

9.單項選擇題When are packets processed in an inbound access list?（）

A. Before they are routed to an outbound interface.
B. After they are routed for outbound traffic.
C. After they are routed to an outbound interface while queuing.
D. Before and after they are routed to an outbound interface.
E. Depends on the configuration of the interface
F. None of the above

10.單項選擇題In which situation would the use of a static route be appropriate?（）

A. To configure a route to the first Layer 3 device on the network segment.
B. To configure a route from an ISP router into a corporate network.
C. To configure a route when the administrative distance of the current routing protocolis too low.
D. To reach a network is more than 15 hops away.
E. To provide access to the Internet for enterprise hosts.