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Networking Multiple Choice Questions and Answers 43

221. Which of the following divides the high speed signal into frequency bands?
(A)T switch.
(B)Time division multiplexer.
(C)Frequency Division Multiplexer.
(D)Code Division Multiplexer.

222. Sending a file from users personal computers, primary memory or disk to another computer is called ___________
(A)uploading.
(B)hang on.
(C)logging on.
(D)downloading. ANSWER: A

223. In OSI network architecture the dialogue control and token management are responsibilities of ________
(A)session layer.
(B)network layer.
(C)transport layer.
(D)data link layer.

224. What is the number of separate protocol layers at the serial interface gateway specified by the X.25 standard?
(A)2
(B)4
(C)6
(D)3

225. The interactive transmission of data within a time sharing system may be best suited to __________
(A)half duplex.
(B)simplex lines.
(C)biflex lines.
(D)full duplex lines.