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Saturday, 29 July 2017

UGC-NET Computer Science June 2014 Solved Question Paper 2

UGC-NET Computer Science June 2014 Solved Question Paper 2


1.Infrared signals can be used for short-range communication in a closed area using ________ propagation
A.ground
B.sky
C.line-of-sight
D.space
Correct Answer is C


2.A bridge has access to the ______ address of a station on the same network.
A.Physical
B.Network
C.Datalink
D.Application
Correct Answer is A

3.The minimum frame length for 10 mbps ethernet is _____ bytes and maximum is _____ bytes.
A.64 & 128
B.128 & 1518
C.1518 & 3036
D.64 & 1518
Correct Answer is D

4.The bit rate of a signal is 3000 bps. If each signal unit carries 6 bits, the baud rate of the signal is ...............
A.500 baud/sec
B.1000 baud/sec
C.3000 baud/sec
D.18000 baud/sec
Correct Answer is A

Baud rate = 3000 / 6 = 500 baud/s

5.Match the following:
List I            List - II
a. Physical Layer     i. Allow resources to network access
b. Datalink Layer     ii. Move packets from one destination to other
c. Network Layer     iii. Process to process message delivery
d. Transport Layer    iv. Transmission of bit stream
e. Application Layer   v. Formation of frames
Codes:
a b c d e
A.iv v ii iii i
B.v iv i ii iii
C.i iii ii v iv
D.i ii iv iii v
Correct Answer is A

Physical Layer is Concerned with Transmission of bit stream 
Data Link Layer Provides Formation of Frames
Network Layer Move packets from one destination to other by providing routes to each packet 
Transport Layer ensures Process to process message delivery
Application Layer Allow resources to network access

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