Which detection methodology is used by standard antivirus tools to flag known malware files by matching their unique file hash codes against a local index directory? MCQ with Answer and Explanation

Which detection methodology is used by standard antivirus tools to flag known malware files by matching their unique file hash codes against a local index directory?
A. Heuristic Analysis
B. Signature-based Detection
C. Sandbox Isolation Monitoring
D. Behavioral Monitoring
Answer: Option B
Solution (By JKSSB Mock Tests)
Signature-based engines scan storage objects looking for byte patterns or static cryptographic hashes known to correspond to established malware databases.

Discuss this Question (0)

No comments yet. Be the first to start the discussion!

Practice More Cyber Security Questions

Question #1
What is the purpose of a security patch management process?
A. To increase system performance
B. To install new software
C. To manage user accounts
D. To ensure timely installation of security updates

Correct Answer: Option D


Explanation:
Patch management is the process of identifying, acquiring, testing, and installing patches to fix vulnerabilities in software and systems, maintaining security.

This question belongs to: Computer Cyber Security
Question #2
What is the role of a digital signature in cybersecurity?
A. To provide authentication and integrity of a digital message
B. To compress a file
C. To speed up data transmission
D. To encrypt a message

Correct Answer: Option A


Explanation:
A digital signature is a mathematical scheme for verifying the authenticity and integrity of a digital message or document, ensuring it has not been altered.

This question belongs to: Computer Cyber Security
Question #3
What term describes a newly discovered software vulnerability that is exploited by threat actors before the software creator has created or released a security patch?
A. Backdoor Entry
B. Zero-Day Vulnerability
C. Logic Bypass flaw
D. Buffer Overflow

Correct Answer: Option B


Explanation:
Zero-day vulnerabilities represent newly discovered software flaws that lack patch remediation, exposing users to exploitation risks.

This question belongs to: Computer Cyber Security