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多項選擇題Which two statements about static NAT translations are true?（）

A.They are always present in the NAT table.
B.They allow connection to be initiated from the outside.
C.They can be configured with access lists,to allow two or more connections to be initiated from the outside.
D.They require no inside or outside interface markings because addresses are statically defined.

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1.單項選擇題Which single access list statement will combine all four of these statements into a single statement that will have exactly the same effect（）。

A.access-list 10 permit 172.29.16.0 0.0.0.255
B.access-list 10 permit 172.29.16.0 0.0.1.255
C.access-list 10 permit 172.29.16.0 0.0.3.255
D.access-list 10 permit 172.29.16.0 0.0.15.255
E.access-list 10 permit 172.29.0.0 0.0.255.255

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2.單項選擇題All WAN links inside the ABC University network use PPP with CHAP for authentication security. Which command will display the CHAP authentication process as it occur between two routers in the network?（）

A.show chap authentication
B.show interface serial0
C.debug ppp authentication
D.debug chap authentication
E.show ppp authentication chap

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3.單項選擇題 根據(jù)下圖，網(wǎng)絡管理員如此配置的RA的原因是？（）

A.讓students訪問Internet
B.阻止students訪問RA的命令提示符
C.阻止管理員訪問RA的控制臺
D.讓administrators訪問Internet
E.阻止students訪問Internet
F.阻止students訪問Admin的網(wǎng)絡

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4.單項選擇題A network administrator is troubleshooing an EIGRP problem on a router and needs to confirm the IP addresses of the devices with which the router has established adjacency. The retransmit interval and the queue counts for the adjacent routers also need to be checkeD.What command will display the required information?（）

A.Router# show ip eigrp adjacency
B.Router# show ip eigrp topology
C.Router# show ip eigrp interfaces
D.Router# show ip eigrp neighbors

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5.單項選擇題What is one reason that WPA encryption is preferred over WEP?（）

A.A WPA key is longer and requires more special characters than the WEP key.
B.The access point and the client are manually configured with different WPA key values.
C.WPA key values remain the same until the client configuration is changed.
D.The values of WPA keys can change dynamically while the system is used.

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