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Information Security BS University Of Sargodha (UOS) 2024

Information Security BS University Of Sargodha (UOS) 2024 — page 1

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Paper text

29804

Subject: CS/SE

Time Allowed: 02:30 Hours

University of Sargodha

BS 6""TermExamination 2024

Paper: Information Security (CMPC-302)

Maximum Marks: 60

com

Note: Objective part is compulsory. Attempt any four questions from subjective part.

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Objective Part

(Compulsory)

Q.1. Write short answers of the following in 2-3 lines of each on your answer sheet.

i.

Define an extended service set.

ii.

Describe traffic analysis attack with category it belongs.

i1i.

What is the role of record protocol in transport layer security?

iv.

V.

What is a purpose of S-box?

What is a message authentication code?

vi.

Differentiate confusion from diffusion.

vii.

What is WPA2?

viii.

What is the importance of security policy?

ix.

Give two ways of public key distribution.

X.

xi.

Describe the general concept of a challenge-response protocol.

How incident handling process work?

Xii.

What is a buffer overflow?

(2*12)

Subjective Part (4*9)

Q.2.

Q.3.

State the similarities and differences between command injection and SQL injection attacks.

What are the ways of entity authentication?

Q.4.

What is the different types of firewall?

Q.5.

Explain Kerberos with diagram.

Q.6. Explain the DES architecture in detail.

Q.7.

What is database encryption? Why it is needed?

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- LK-6324,6326/01-02-24

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