B.TechSemester 32021-22Computer System SecurityKNC-301
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Computer System Security (KNC-301) - AKTU Question Paper 2021-22

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 2021-22. 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:2021-22
University:AKTU / UPTU

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Questions Asked in 2021-22

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 . 2*5 = 10
  • a
    Why is Session Hijacking successful? 1
  • b
    What is the significance of Confinement Principle? 2
  • c
    How access control in UNIX is different from Windows? 3
  • d
    How many look-up zones are in DNS? 4
  • e
    Define Firewall and Its Uses? 5
Section BAttempt any three o f t h e f o l l o w i n g : 5*3 = 15
  • a
    What is Control hijacking w ith an example? Explain the term of Buffer overflow in Control hijacking
  • b
    Write short notes on Syste m call Interposition. 2
  • c
    What is Cross Site Scriptin g? How to Protect against XSS Attacks. 3
  • d
    Explain the term Public key Cryptography in detail. 4
  • e
    Explain in brief about R SA Public key cryptography. 5
Section CAttempt any one p a r t o f t h e f o l l o w i n g : 5*1 = 5
  • a
    How Security System Should Evolve to Handle Cyber Security Threats and Vulnerabilities?
  • b
    What is a Digital Signature? How Digital Signature Works? 4
  • a
    How to detect Rootkits? E xplain how to prevent Rootkits 2
  • b
    Explain the need of Softw are fault isolation. 2
  • a
    How Cross site request forge ry attack works? Also mentioned example of CSRF Attack
  • b
    What’s the difference between Browser Isolation and Remote Browser Isolation?
  • a
    Explain RSA algorithm. Perfo rm Encryption and Decryption us ing RSA for p=11,q=13,e=7,m=9
  • b
    What is Symmetric and Asymmetric Key cryptography? Write th eir respective advantages and disadvantages?
  • a
    How do you define Risk, Vulnerability and threat in the con text of Network Security?
  • b
    What is a Network Intrusi on Detection System? Explain its types. 5

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)

2x

What’s the difference between Browser Isolation and Remote Browser Isolation?

Appeared in: 2021-22 · 2022-23

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