What is the purpose of a digital certificate? MCQ with Answer and Explanation

What is the purpose of a digital certificate?
A. To verify the identity of an entity in a digital communication
B. To encrypt a message
C. To speed up data transmission
D. To compress a file
Answer: Option A
Solution (By JKSSB Mock Tests)
A digital certificate is an electronic document that uses a digital signature to bind a public key with an identity, verifying the owner's authenticity in online communications.

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Practice More Cyber Security Questions

Question #1
Which form of malicious software can travel across network links to infect other network devices without needing a human user to copy or share an infected file?
A. Trojan Horse
B. Macro Virus
C. Keylogger Module
D. Computer Worm

Correct Answer: Option D


Explanation:
Worms are self-contained, self-replicating malware strains that exploit network vulnerabilities to spread autonomously among connected devices.

This question belongs to: Computer Cyber Security
Question #2
Which key concept limits user accounts and operational profiles to only the access parameters required to perform their specific job duties?
A. Zero Trust Validation
B. Principle of Least Privilege (PoLP)
C. Defense in Depth
D. Stateful Inspection Mapping

Correct Answer: Option B


Explanation:
The Principle of Least Privilege helps contain security breaches by ensuring users only have access to systems and files necessary for their specific role.

This question belongs to: Computer Cyber Security
Question #3
A security scam where an attacker follows an authorized employee closely through a secured security door to slip into a restricted office building without scanning a badge is called:
A. Baiting Setup
B. Tailgating / Piggybacking
C. Pharming Attack
D. Phishing Exploit

Correct Answer: Option B


Explanation:
Tailgating is a physical security breach where an unauthorized person gains access to a restricted area by following closely behind a legitimate credential holder.

This question belongs to: Computer Cyber Security