单项选择题

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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单项选择题

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

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

单项选择题

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

单项选择题

Kerberos is a form of user authentication that:（）

A. Provides users access to network resources.
B. Performs router commands after user authentication.
C. Provides users with remote access only capabilities.
D. Does not require an authentication server