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Welcome to the Transmission Media MCQs Page

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

Transmission Media MCQs | Page 14 of 38

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Q131.
An example of digital, rather than analog, communication is

a.

DDT

b.

DDS

c.

DDD

d.

WATS

Discuss
Answer: (b).DDS
Q132.
A 4 KHz noise less channel with one sample ever 125 per sec is used to transmit digital signals. Differential PCM with 4 bit relative signal value is used. Then how many bits per second are actually sent?

a.

8 Kbps

b.

16 Kbps

c.

32 Kbps

d.

64 Kbps

Discuss
Answer: (c).32 Kbps
Q133.
Baseband is

a.

a signal all of whose energy is contained within a finite frequency range

b.

the simultaneous transmission of data to a number of stations

c.

transmission of signals without modulation

d.

All of the above

Discuss
Answer: (c).transmission of signals without modulation
Q134.
Which of the following frequency ranges is used for AM radio transmission?

a.

High Frequency : 3 MHz to 30 MHz

b.

Very Low Frequency : 3 kHz to 30 kHz

c.

Medium Frequency : 300 kHz to 3 MHz

d.

Very High Frequency : 30 MHz to 300 MHz

Discuss
Answer: (c).Medium Frequency : 300 kHz to 3 MHz
Q135.
Synchronous protocols

a.

are more reliable

b.

transmit characters one at a time

c.

are generally used by personal computers

d.

allow faster transmission than asynchronous protocols do

Discuss
Answer: (d).allow faster transmission than asynchronous protocols do
Q136.
Which of the following medium is used for broadband local networks?

a.

UTP

b.

CATV

c.

Optic fiber

d.

Coaxial cable

Discuss
Answer: (b).CATV
Q137.
Phase shift keying (psk) method is used to modulate digital signals at 9600 bps using 16 levels. Find the line signaling speed (i.e., modulation rate)

a.

1200 bands

b.

2400 bands

c.

3600 bands

d.

4800 bands

Discuss
Answer: (b).2400 bands
Q138.
One important characteristic of the hub architecture of ARC-net is

a.

alternative routing

b.

multiple virtual networks

c.

directionalized transmission

d.

access control and addressing

Discuss
Answer: (c).directionalized transmission
Q139.
How much power (roughly) a light-emitting diode can couple into an optical fiber?

a.

10 milliwatts

b.

100 picowatts

c.

100 microwatts

d.

440 microwatts

Discuss
Answer: (c).100 microwatts
Q140.
A 2000-character text file has to be transmitted by using a 1,200 baud modem. Can you tell how long will it take?

a.

10 seconds

b.

20 seconds

c.

120 seconds

d.

200 seconds

Discuss
Answer: (b).20 seconds
Page 14 of 38

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