What name is used to refer to the piece of equipment that connects a router (serial interface) to a leased line provider?
A) CSU/DSU
B) Ethernet switch
C) Frame Relay switch
D) RTS/CTS
A
Explanation: A) The Channel Service Unit/Data Service Unit (CSU/DSU) is used to connect a router's serial interface to a leased line provider. In most modern equipment, the CSU/DSU is internal to the router on the line card.
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Which of the following would not be a reason to run the cabling outside the walls?
A. It is simpler to install. B. You may not have permission to install inside the walls. C. It may not be possible to put cabling in the walls in some older buildings, especially historic buildings. D. It looks neater than cabling that is inside the walls.