WAN - Multiple Choice Questions and answers | Page-3

11 A communication network which is used by large organizations over regional, national or global area is called
D Intranet

Answer: Option [B]
12 The amount of uncertainty is a system of symbol is called
A Bandwidth
B Loss
C Entropy
D Quantum

Answer: Option [C]
13 Which of the following digits are known as the terminal number of the Network User Address (NUA) ?
A 5-7
B 1-4
C 8-12
D 13-14

Answer: Option [C]
14 Which one of the following is a balanced interface ?
A RS-232C
B RS-423C
C RS-449
D RS-422

Answer: Option [D]
15 A crossbar switch having n input lines and n output lines (i.e. n full duplex lines) has following number of intersections.
A n
B 2n
C n2
D 2n2

Answer: Option [C]


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