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單項選擇題

Which of the following is an intelligent repeater that is aware of the MAC addresses of the nodeson either side of the data link?（）

A.Gateway
B.Hub
C.Bridge
D.Router

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單項選擇題

Which of the following WAN technologies uses a telephone cable?（）

A.POTS
B.FDDI
C.SONET
D.Cable modem

單項選擇題

Which of the following features should an administrator configure to allow an IDS to watch thetraffic on a switch?（）

A. ARP spoofing
B. VLAN
C. Mirroring
D. Spanning tree

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