B.TechSemester 32022-23Computer System SecurityKNC-301

Computer System Security (KNC-301) - AKTU Question Paper 2022-23

B.Tech · Semester 3 · Free PDF Download

This is the official AKTU Computer System Security Previous Year Question Paper for B.Tech Semester 3, academic session 2022-23. Published by Dr. A.P.J. Abdul Kalam Technical University (AKTU/UPTU), Lucknow. Free PDF download — no login required.

Course:B.Tech

Semester:Semester 3

Session:2022-23

University:AKTU / UPTU

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Questions Asked in 2022-23

Computer System Security (KNC-301) — complete question paper

Section AAttempt all q u e s t i o n s i n b r i e f . 1 x 10 = 10

a
What is computer security? D iscuss confidentiality and integrity
c
What is the use of fra me busting in web security?
d
Differentiate between encrypt ion and decryption in cryptography
e
Discuss software fault isolation
f
What is use of kernel in Unix operating system?
g
Define hash function. What is the use of hash function?
h
What is the main differen ce between virus and worm? i. What is SQL injection attack ? Explain in brief. j. What is difference between Cache Memory and RAM ?

Section BAttempt any three o f t h e f o l l o w i n g : 5x3=15

a
What is control hijacking? D iscuss the various types of hijacking attacks in detail
b
What is system call interposition? Explain ptrace and systrace in detail
c
Discuss browser isolation a nd remote browser isolation in detail
d
Explain RSA algorithm with the help of suitably chosen example
e
What is an Intrusion Detection System (IDS)? Discuss the var ious approaches adopted in developing IDS system

Section CAttempt any one part of the following: 5x1=5

a
Describe various types of security threats in detail
b
Explain the different types of defenses used against control hijacking
a
Define confinement principle. Discuss the approaches of conf inement at different levels
b
What are Rootkits? Discuss th e various types of Rootkits in detail
a
What is cross site request for gery? Explain the concept with suaitable examples
b
Discuss the defenses and prot ection against cross site scripting
a
Describe Symmetric key and Asymmetric key Cryptography eith due emphasis on the difference between them
b
What is digital signature? Di scuss the various steps used in creating digital signature
a
What is firewall? Explain pack et filtering firewall in detail
b
Write short note on the following: (i) DNS security (ii) Routing security

Question text is extracted from the official AKTU question paper PDF above. Hindi translations are omitted — every question is printed in English in the original paper. Last verified: 2026-08-23.

Repeated Questions — KNC-301

Questions that appeared in more than one session, found by comparing 2 years of Computer System Security papers (2021-22, 2022-23)

Discuss browser isolation a nd remote browser isolation in detail

Appeared in: 2021-22 · 2022-23

Computer System Security — Other Year Papers

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