What is the role of encryption in protecting data? MCQ with Answer and Explanation

What is the role of encryption in protecting data?
A. To ensure data confidentiality and integrity
B. To increase data size
C. To delete data
D. To reduce data speed
Answer: Option A
Solution (By JKSSB Mock Tests)
Encryption protects data confidentiality by making it unreadable to unauthorized parties and ensures integrity by detecting any unauthorized modifications to the data.

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Practice More Cyber Security Questions

Question #1
Which security framework eliminates default perimeter trust settings, validating user identities and credentials continuously at every access step?
A. Least Privilege Access
B. Stateful Network Control
C. Defense in Depth
D. Zero Trust Architecture

Correct Answer: Option D


Explanation:
Zero Trust eliminates old default trust perimeters, enforcing strict continuous verification parameters for all connection assets regardless of network location.

This question belongs to: Computer Cyber Security
Question #2
Which of the following is a form of identity theft?
A. Sending spam emails
B. Using a firewall
C. Installing a virus
D. Using a stolen credit card to make purchases

Correct Answer: Option D


Explanation:
Identity theft involves using someone else's personal information, such as a credit card number, without their permission to commit fraud.

This question belongs to: Computer Cyber Security
Question #3
Which specific sub-type of social engineering attack targets high-profile corporate decision-makers like CFOs or CEOs to steal sensitive institutional records?
A. Spam Blasting
B. Vishing Routine
C. Whaling Attack
D. Smishing Campaign

Correct Answer: Option C


Explanation:
Whaling is a highly specialized phishing variant designed to target C-suite executives and high-value corporate decision makers.

This question belongs to: Computer Cyber Security