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Welcome to the Physical Layer MCQs Page

Dive deep into the fascinating world of Physical Layer with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Physical Layer, a crucial aspect of Networking. In this section, you will encounter a diverse range of MCQs that cover various aspects of Physical Layer, 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 Physical Layer. 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 Physical Layer. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Physical Layer MCQs | Page 16 of 24

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Q151.
Which of the following device copies electrical signals from one Ethernet to another?

a.

hub

b.

bridge

c.

repeater

d.

passive hub

Discuss
Answer: (c).repeater
Q152.
For connecting modem, a computer must be equipped with a port that conforms to the RS-232 standard of the Electronic Industries Association of America. What do the letters 'RS' stand for?

a.

Registered source

b.

Random sequence

c.

Recognised standard

d.

Recommended standard

Discuss
Answer: (d).Recommended standard
Q153.
If communication software can be called the "traffic cop" of a micro communication system, then what should the modem be called?

a.

Link

b.

Park

c.

Bridge

d.

Interface

Discuss
Answer: (c).Bridge
Q154.
The fundamental requirements of private-to-public network interconnection methods which need to be provided in gateways is/are

a.

adequate cost control mechanisms for administration of the private networks

b.

universal accessibility for private network Data Terminal Equipment (DTE)

c.

both (a) and (b)

d.

to assign address to private network DTEs

Discuss
Answer: (c).both (a) and (b)
Q155.
Interconnected networks need communication processors such as switches, routers, hubs, and gateways. Select the best fit for answer:

a.

TCP/IP

b.

Protocol

c.

Open Systems

d.

Internetwork processor

Discuss
Answer: (d).Internetwork processor
Q156.
What is the name of the device that converts computer output into a form that can be transmitted over a telephone line?

a.

Modem

b.

Teleport

c.

Multiplexer

d.

Concentrator

Discuss
Answer: (a).Modem
Q157.
Now-a-days computers all over the world can talk to each other. Which is one of the special accessories essential for this purpose?

a.

Fax

b.

Modem

c.

Scanner

d.

Keyboard

Discuss
Answer: (b).Modem
Q158.
Devices on one network can communicate with devices on another network via a

a.

gateway

b.

file server

c.

utility server

d.

printer server

Discuss
Answer: (a).gateway
Q159.
What is the name of the device that connects two computers by means of a telephone line?

a.

bus

b.

Tape

c.

cable

d.

modem

Discuss
Answer: (d).modem
Q160.
The _____ layer is the layer closest to the transmission medium.

a.

network

b.

physical

c.

transport

d.

data link

Discuss
Answer: (b).physical
Page 16 of 24

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