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單項(xiàng)選擇題

New service from the telephone company is delivered over fiber, but the technician does not have a fiber module for the router. Which of the following would remedy this issue?（）

A. OTDR
B. Media converter
C. CSU/DSU
D. Fiber repeater

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單項(xiàng)選擇題

Which of the following represents the physical address of a network access card?（）

A.FF01：D2：C4：87：：11
B.00-30-48-83-9B-C8
C.08-9D-35-22-L2-34-FF-21
D.2D1A：C3：0：1C3B：2AD：FF：FEBE：9D3A

單項(xiàng)選擇題

Office A is located 500 miles (805 kilometers) away from Office B, yet they are on the same private network. Which of the following is MOST likely being used to accomplish this scenario?（）

A. Trunking
B. LAN
C. VPN
D. Peer to peer