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Welcome to the Network Security MCQs Page

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

Network Security MCQs | Page 2 of 2

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Q11.
Caesar cipher is represented as .................

a.

C = (p+3)mod3

b.

C = (p+26)mod3

c.

C = (p-3)mod26

d.

C = (p+3)mod26

Discuss
Answer: (d).C = (p+3)mod26
Q12.
Number of rounds in Data Encryption Standard algorithm?

a.

8 rounds

b.

12 rounds

c.

16 rounds

d.

24 rounds

Discuss
Answer: (c).16 rounds
Q13.
………….transform message into format (cyber text) that cannot be read by hackers.

a.

Decryption

b.

Encryption

c.

Transformation

d.

None of these

Discuss
Answer: (b).Encryption
Q14.
What is the port number for (HTTP Secure) HTTPS?

a.

43

b.

443

c.

445

d.

444

Discuss
Answer: (b).443
Q15.
Decryption and Encryption of data are the responsibility of which of the following layer?

a.

Session layer

b.

Network layer

c.

Transport layer

d.

Presentation layer

Discuss
Answer: (d).Presentation layer
Q16.
Firewalls are used for ................

a.

routing

b.

security

c.

tunnelling

d.

congestion control

Discuss
Answer: (b).security
Q17.
..………..is used to validate the identity of the message sender to the recipient.

a.

Encryption

b.

Decryption

c.

Digital certificate

d.

None of these

Discuss
Answer: (c).Digital certificate
Q18.
When you connect to an online information service, you are asked to provide some kind of identification such as your name, an account number and a password. What is the name given to this brief dialog ?

a.

Security procedure

b.

Log-on procedure

c.

Safeguard procedure

d.

Identification procedure

Discuss
Answer: (b).Log-on procedure
Page 2 of 2

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