单项选择题

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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单项选择题

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

单项选择题

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

单项选择题

customer wants to network several computers within a large warehouse. The warehouse has one computer at the very far end of the warehouse that is 170 meters (557 feet) from the network switch.
Which of the following cable types should a technician use for this computer?（）

A.CAT3
B.CAT5
C.CAT6
D.Fiber