單項(xiàng)選擇題

Which of the following is the MOST accurate description of a L2/L3 switch?（）

A. Performs switching and routing duties
B. A router that directly connects to a switch
C. A multi-purpose switch fabric used in full mesh environments
D. A switch that directly connects to a router

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單項(xiàng)選擇題

A technician would use a physical network diagram to determine:（）

A. the cause of routing errors.
B. the number of switches on the network.
C. the number of users on the network.
D. where network latency will occur.

單項(xiàng)選擇題

Which of the following uses PKI?（）

A.Blowfish
B.AES
C.PGP
D.3DES