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單項(xiàng)選擇題

Which of the following routing protocols uses AS-Path as one of the methods to build the routing table?（）

A.OSPF
B.IS-IS
C.EIGRP
D.BGP

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單項(xiàng)選擇題

There are two networks sharing the same office space. One network already has an 802.11g accesspoint. The second network acquires one as well. If known, which of the following would help keep the two networks from interfering with each other?（）

A.Channel
B.WEP key
C.Pre-shared key
D.Encryption type

單項(xiàng)選擇題

Which of the following traffic types would a network layer firewall be unable to filter?（）

A.SMTP traffic
B.ICMP messages
C.HTTP traffic
D.Email sender verification