Thursday, 12 November 2015

Computer Networks Multiple Choice Questions - Set 10

1.       The address field of a frame in HDLC protocol contains the address of the .................. station.
(A) primary        (B) secondary
(C) tertiary         (D) a station
Answer: B
2.       In ................... transmission, the channel capacity is shared by both communicating devices at all times.
(A) Simplex       (B) half-duplex
(C) full-duplex (D) automatic
Answer: C
3.       The DNS name space is divided into non overlapping ......................
(A) regions        (B) blocks
(C) divisions     (D) zones
Answer: D
4.       Source routing bridges in the same LANs must have ............... bridge Number.
(A) Same           (B) Different
(C) Source        (D) Destination
Answer: B
5.       Repeater function in the ...................... layer.
(A) Physical      (B) Data link
(C) Network      (D) None of these
Answer: A

6.       A repeater takes a weakened or corrupted signal and ............... it.
(A) Amplifies     (B) Regenerates
(C) Resample   (D) Reroute
Answer: B
7.       The PSTN is an example of ................. network.
(A) packet-switched                (B) circuit-switched
(C) message-switched            (D) TSI
Answer: B
8.       In a time division switch, a .................. governs the destination of a packet stored in RAM.
(A) TDM bus                 (B) cross bar
(C) cross point             (D) control unit
Answer: D
9.       How many cross points are needed in a single stage switch with 40 inputs and 50 outputs.
(A) 40     (B) 50
(C) 90     (D) 2000
Answer: D
10.    The ................. of A TSI controls the order of delivering of slot values that are stored in RAM.
(A) cross bar                 (B) cross point
(C) control unit                         (D) transceiver
Answer: D


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