Information Security ADP/BS 3 Semester/Term UOS — University of Sargodha 2026

University of Sargodha 3olis

ADP / BS 3" Semester Examination 2026

Subject: Information Technology, SE . Paper: Information Security (CMPC-520

Time Allowed: 2:30 Hours 03110641 850 Maximum Marks: 40

Note: Objective Part is Compulsory. Attempt any three Question form Subjective Part.

Objective Part (Compulsory)

Q.1. Write short answers of the following in 2-3 lines each on your answer sheet. (2*8)

i. What is asymmetric cryptography?

ii. ~~ What is encryption?

ili. What is a hash function?

iv. What is a digital signature?

v. Define authentication.

vi. What is access control? ‘

vii. ~~ What is malware?

viii. What is a firewall

Subjective Part (3*8)

Q.2. Compare symmetric and asymmetric cryptography with examples.

Q.3. Describe encryption and hashing techniques in detail.

Q.4. Explain authentication and access control mechanisms.

Q.5. Discuss different types of malware and their impact.

Q.6. Explain the role of firewalls and intrusion detection systems in network security.

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