Government Polytechnic Palanpur

Information & Communication Technology

Semester: 5
Subject Name & Code: Cyber Security (4353204)
Date: 04/09/2025
Time: 11:30 AM TO 12:30 PM
Total Marks: 20

Seat No.: ________________
Enrolment No.: ________________

(a) Explain various security attacks, mechanisms, and services associated with each layer of the OSI model. [7 Marks] (CO1 - A)

(b) Describe CIA triad with example. [3 Marks] (CO1 - U)

(a) Explain working of packet filter and application proxy. [7 Marks] (CO2 - A)

(b) What is authentication? Explain different methods of authentication. [3 Marks] (CO2 - U)

(a) Explain MD5 hashing and Secure Hash Function (SHA) algorithms. [7 Marks] (CO1 - A)

(b) Explain Public key and Private Key cryptography. [3 Marks] (CO1 - U)

(a) Explain different types of malicious software and their effect. [7 Marks] (CO2 - A)

(b) What is firewall? List out types of firewalls. [3 Marks] (CO2 - U)

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