单项选择题
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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单项选择题
Which of the following WAN technologies uses a telephone cable?（）
A.POTS
B.FDDI
C.SONET
D.Cable modem -
单项选择题
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 -
单项选择题
Which of the following should an administrator do after running a command from the console onthe perimeter router?（）
A. Update the configuration logs
B. Update the network wiring schematics
C. Update the network configuration procedures
D. Compare the configuration with the baseline
