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Welcome to the Multiplexing MCQs Page

Dive deep into the fascinating world of Multiplexing with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Multiplexing, a crucial aspect of Networking. In this section, you will encounter a diverse range of MCQs that cover various aspects of Multiplexing, from the basic principles to advanced topics. Each question is thoughtfully crafted to challenge your knowledge and deepen your understanding of this critical subcategory within Networking.

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Check out the MCQs below to embark on an enriching journey through Multiplexing. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of Networking.

Note: Each MCQ comes with multiple answer choices. Select the most appropriate option and test your understanding of Multiplexing. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Multiplexing MCQs | Page 4 of 9

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Q31.
.................... type of multiplexing are used by transport layer to improve transmission efficiency.

a.

upward

b.

downward

c.

horizontal

d.

vertical

Discuss
Answer: (a).upward
Q32.
Multiplexing of different transport connections onto the same network connection is called ................

a.

Upward multiplexing

b.

Downward multiplexing

c.

Congestion control

d.

Flow control

Discuss
Answer: (a).Upward multiplexing
Q33.
A single transport layer connection split and connects the different network connections is called .........................

a.

Upward multiplexing

b.

Downward multiplexing

c.

Congestion control

d.

None of these

Discuss
Answer: (b).Downward multiplexing
Q34.
Which of the following does not allow multiple users or devices to share one communications line?

a.

controller

b.

concentrator

c.

doubleplexer

d.

multipplexer

Discuss
Answer: (c).doubleplexer
Q35.
The term 'duplex' refers to the ability of the data receiving stations to echo back a confirming message to the sender. In full duplex data transmission, both the sender and the receiver

a.

cannot talk at once

b.

can send or receive data one at a time

c.

can do one way data transmission only

d.

can receive and send data simultaneously

Discuss
Answer: (d).can receive and send data simultaneously
Q36.
A remote batch-processing operation in which data is solely input to a central computer would require a:

a.

simplex lines

b.

telegraph line

c.

mixedband channel

d.

all the above

Discuss
Answer: (a).simplex lines
Q37.
The communication mode that supports two-way traffic but only one direction at a time is

a.

simplex

b.

duplex

c.

half duplex

d.

multiplex

Discuss
Answer: (c).half duplex
Q38.
Which of the following divides the high speed signal into frequency bands?

a.

modem

b.

t-switch

c.

time-division multiplexer

d.

frequency-division multiplexer

Discuss
Answer: (d).frequency-division multiplexer
Q39.
The difference between a multiplexer and a statistical multiplexer is

a.

Statistical multiplexers need buffers while multiplexers do not need buffers

b.

Multiplexer use X.25 protocol, while statistical multiplexers use the Aloha protocol

c.

Multiplexers often waste the output link capacity while statistical multiplexers optimize its use

d.

Multiplexers use Time Division Multiplexing (TDM) while statistical multiplexers use Frequency Division Multiplexing (FDM)

Discuss
Answer: (a).Statistical multiplexers need buffers while multiplexers do not need buffers
Q40.
A network designer wants to connect 5 routers as point-to-point simplex line. Then the total number of lines required would be

a.

2

b.

6

c.

10

d.

15

Discuss
Answer: (c).10
Page 4 of 9

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