Computer Network MCQ Questions Answers CSE

11) Null modems are a type of

a) Modem eliminator

b) Modem

c) Multiplexer

d) Protocol converter

View Answer
Option – a)

12) Which one of the following is not a class of LAN?

a) Broad band

b) CSMAICD

c) Token bus

d) Token ring

View Answer
Option – b)

13) CSMA/CD

a) is an important protocol

b) is IEEE 802.3 (Ethernet)

c) bothe a and b

d) none of the above

View Answer
Option – c)

14) The amount of uncertainty in a system of symbol is called

a) Bandwidth

b) Entropy

c) Loss

d) Quantum

View Answer
Option – b)

15) A bridge can-

a) filter a frame

b) forward a frame

c) extend a LAN

d) all of the above

View Answer
Option – d)

16) HDLC is

a) bit-oriented

b) code dependent

c) both a and b

d) none of the above

View Answer
Option – a)

17) Non-polling system is

a) TDMA’

b) stop and wait

c) continuous ARQ

d) none of these

View Answer
Option – a)

18) DNS is used to locate the-

a) MAC address of URL

b) IP address of URL

c) Root domain of URL

d) Domain name of a URL

View Answer
Option – b)

19) The topology with highest reliability is

a) bus topology

b) star topology

c) ring topology’

d) mesh topology

View Answer
Option – d)

20) Which of the following items is not used in local area network (LAN)?

a) Computer

b) Modem

c) Printer

d) Cable

View Answer
Option – b)

error: