B.TechSemester 42021-22Computer System SecurityKNC401
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Computer System Security (KNC401) - AKTU Question Paper 2021-22

B.Tech · Semester 4 · Free PDF Download

This is the official AKTU Computer System Security Previous Year Question Paper for B.Tech Semester 4, 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 4
Session:2021-22
University:AKTU / UPTU

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Questions Asked in 2021-22

Computer System Security (KNC401) — extracted question text

Section AAttempt all q u e s t i o n s i n b r i e f . 2*10 = 20
  • a
    What are the 3 aspects of security? 1
  • b
    State the need of Computer Security. 1
  • c
    What is the difference between Discretionary Access Control and Mandatory Access Control?
  • d
    Give three benefits of IPsec? 4
  • e
    Describe (A) S niffing (B) Spoofing 1
  • f
    Explain some of the weakne ss of Internet security. 5
  • g
    Explain advanced anti-XSS tools 3
  • h
    What is the problem of covert channel in VMM security? 2 (i) Explain the terms: Cryptogr aphy, Cryptanalysis and Cryptology. 4 (j) In the context of access control, what is the difference be tween a subject and an object?
Section BAttempt any three o f t h e f o l l o w i n g : 10*3 = 30
  • a
    Explain any four attacks on C omputer System Security. 1
  • b
    What is intrusion detecti on system? Explain host based IDS. 2
  • c
    Define Cross site scripting (XSS). 3
  • d
    Explain SSL Encryption. What are the steps involved in SSL: server authentication?
  • e
    What is firewall? Explain di fferent types of firewalls. And also explain the working of packet filtering firewall
Section CAttempt any one p a r t o f t h e f o l l o w i n g : 10*1 = 10
  • a
    What is control hijacking with an example? Explain the term of buffer overflow in control hijacking
  • b
    What is Access Control list (ACL) and also defined what are t h e technologies used in access control?
  • a
    Write short notes on 2 I. Software fault isolation II. VM based isolation
  • b
    Define Network based IDS. What are its strengths and limit ations. 2
  • a
    Define web server threats? And explain 5 major web server threats in detail
  • b
    Discuss how vulnerabilities can be exploited in web applications. 3
  • a
    List and explain the key part icipants in secure electronic transaction 4
  • b
    Explain and compare key excha nge algorithm used in IP sec. 4
  • b
    What is an Intrusion Detection System? How Does an IDS Enha nce Security Management?

Question text is extracted from the official AKTU question paper PDF above. Check the original PDF for equations, diagrams and complete wording. Extracted: 2026-08-23.

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