單項(xiàng)選擇題

Which of the following is used to create multiple networks from one large network?（）

A.PAT
B.NAT
C.Multicast
D.Subnetting

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單項(xiàng)選擇題

Which of the following tools allows an administrator to determine the MAC address of another computer?（）

A.ping
B.arp
C.ifconfig
D.ipconfig

單項(xiàng)選擇題

After 100 meters (328 feet), CAT6 cabling is known to experience which of the following symptoms?（）

A. Signal loss
B. Signal bleed
C. Data collision
D. Crosstalk