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Welcome to the Networking MCQs Page

Dive deep into the fascinating world of Networking with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Networking, a crucial aspect of UGC CBSE NET Exam. In this section, you will encounter a diverse range of MCQs that cover various aspects of Networking, 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 UGC CBSE NET Exam.

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

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

Networking MCQs | Page 10 of 33

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Q91.
A slotted ALOHA network transmits 200 bits frames using a shared channel with 200 kbps bandwidth. If the system (all stations put together) produces 1000 frames per second, then the throughput of the system is .................

a.

0.268

b.

0.468

c.

0.368

d.

0.568

Discuss
Answer: (c).0.368
Q92.
An analog signal has a bit rate of 8000 bps and a baud rate of 1000.
Then analog signal has .............. signal elements and carry ............ data elements in each signal.

a.

256, 8 bits

b.

128, 4 bits

c.

256, 4 bits

d.

128, 8 bits

Discuss
Answer: (a).256, 8 bits
Q93.
The plain text message BAHI encrypted with RSA algorithm using e=3, d=7 and n=33 and the characters of the message are encoded using the values 00 to 25 for letters A to Z. Suppose character by character encryption was implemented. Then, the Cipher Text message is ............

a.

ABHI

b.

HAQC

c.

IHBA

d.

BHQC

Discuss
Answer: (b).HAQC
Q94.
If link transmits 4000 frames per second and each slot has 8 bits, the transmission rate of circuit of this TDM is ...............

a.

64 Kbps

b.

32 Mbps

c.

32 Kbps

d.

64 Mbps

Discuss
Answer: (c).32 Kbps
Q95.
Given the following statements:

(a) Frequency Division Multiplexing is a technique that can be applied when the bandwidth of a link is greater than combined bandwidth of signals to be transmitted.
(b) Wavelength Division Multiplexing (WDM) is an analog multiplexing Technique to combine optical signals.
(c) WDM is a Digital Multiplexing Technique.
(d) TDM is a Digital Multiplexing Technique.

Which of the following is correct?

a.

(a), (b), (c) and (d) are true

b.

(a), (b), (c) and (d) are false

c.

(a), (b) and (d) are false; (c) is true

d.

(a), (b) and (d) are true; (c) is false

Discuss
Answer: (d).(a), (b) and (d) are true; (c) is false
Q96.
A pure ALOHA Network transmit 200 bit frames using a shared channel with 200 Kbps bandwidth. If the system (all stations put together) produces 500 frames per second, then the throughput of the system is ..............

a.

0.384

b.

0.184

c.

0.286

d.

0.586

Discuss
Answer: (b).0.184
Q97.
Match the following:

(a) Line coding                         (i) A technique to change analog signal to digital data.
(b) Block coding                       (ii) Provides synchronization without increasing
number of bits
(c) Scrambling                          (iii) Process of converting digital data to digital signal.
(d) Pulse code modulation    (iv) Provides redundancy to ensure synchronization
and inherits error detection.

Codes:
      (a)   (b)   (c)   (d)

a.

(iv)  (iii)   (ii)   (i)

b.

(iii)  (iv)   (ii)   (i)

c.

(i)    (iii)   (ii)   (iv)

d.

(ii)   (i)    (iv)   (iii)

Discuss
Answer: (b).(iii)  (iv)   (ii)   (i)
Q98.
Assume that we need to download text documents at the rate of 100 pages per minute. A page is an average of 24 lines with 80 characters in each line and each character requires 8 bits. Then the required bit rate of the channel is ................

a.

1.636 Kbps

b.

1.636 Mbps

c.

2.272 Mbps

d.

None of the above

Discuss
Answer: (d).None of the above
Q99.
Encrypt the plain text Message “EXTRANET” using Transposition cipher technique with the following key. Using ‘Z’ as bogus character.

a.

TAXERTZENZ

b.

EXTRANETZZ

c.

EZXZTRZANZET

d.

EXTZRANZETZ

Discuss
Answer: (a).TAXERTZENZ
Q100.
Suppose that the time to do a null remote procedure call (RPC) (i.e, 0 data bytes) is 1.0 msec, with an additional 1.5 msec for every 1K of data. How long does it take to read 32 K from the file server as 32 1K RPCs?

a.

49 msec

b.

80 msec

c.

48 msec

d.

100 msec

Discuss
Answer: (b).80 msec
Page 10 of 33

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