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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

單項(xiàng)選擇題

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