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單項(xiàng)選擇題

An administrator has found interference on a network. Which of the following cable types is thenetwork MOST likely composed of?（）

A. UTP
B. Fiber
C. RG-6
D. STP

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單項(xiàng)選擇題

Which of the following cable types has a MAXIMUM transmission speed of 10Mbps?（）

A. CAT6
B. CAT5
C. Single-mode fiber
D. CAT3

單項(xiàng)選擇題

Which of the following layers is associated with the physical hardware address of a network node?（）

A.Layer 1
B.Layer 2
C.Layer 6
D.Layer 7