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單項選擇題

In an enterprise setting, access switches providing network connectivity placed throughout abuilding are typically connected to a backbone called the:（）

A. MDF
B. Proxy
C. Demarcation point
D. Smart jack

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單項選擇題

Which of the following connector types is used for coax cable?（）

A.BNC
B.ST
C.LC
D.SC

單項選擇題

An administrator needs to diagnose problems with a WINS server. Which of the following toolsshould be used?（）

A.nslookup
B. nbtstat
C. dig
D. netstat

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