Computer Network Security MCQS with answers

Network Security multiple choice questions emphasize on network security aspects. These Multiple Choice Questions (MCQ) should be practiced to improve the Network Security skills required for various interviews (campus interview, walk-in interview, company interview), placements, entrance exams and other competitive examinations.

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Computer MCQS

Sciences MCQS

1.
The type of encoding in which manipulation of bit streams without regard to what the bits mean is …………………

Destination encoding

Entropy encoding

Source encoding

Differential encoding

Answer Discus (0)

2.
Which one of the following is correct ?

Character - represented by One’s Complement

Character - represented by Two’s Complement

Integer - represented by ASCII

Character - represented by Unicode

Answer Discus (0)

7.
The ………………. portion of LAN management software restricts access, records user activities and audit data etc.

Configuration management

Security management

Performance management

None of these

Answer Discus (0)

8.
In cryptography the following uses transposition ciphers and the keyword is LAYER. Encrypt the following message (spaces are omitted during encryption) WELCOME TO NETWORK SECURITY!

WMEKREETSILTWETCOOCYONRU!

EETSICOOCYWMEKRONRU!LTWET

LTWETONRU!WMEKRCOOCYEETSI

ONRU!COOCYLTWETEETSIWMEKR

Answer Discus (0)

11.
Caesar cipher is represented as ……………..

C = (p+3)mod3

C = (p+26)mod3

C = (p-3)mod26

C = (p+3)mod26

Answer Discus (0)

13.
………….transform message into format (cyber text) that cannot be read by hackers.

Decryption

Encryption

Transformation

None of these

Answer Discus (0)

15.
Decryption and Encryption of data are the responsibility of which of the following layer?

Session layer

Network layer

Transport layer

Presentation layer

Answer Discus (0)

Engineering MCQS

General Subjects MCQS

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