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 increase data size
B. To ensure data confidentiality and integrity
C. To reduce data speed
D. To delete data
Answer: Option B
Solution (By JKExamLibrary)
Encryption protects data confidentiality by making it unreadable to unauthorized parties and ensures integrity by detecting any unauthorized modifications to the data.

This question belongs to: Computer Cyber Security

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Practice More Cyber Security Questions

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Which concept dictates that computer operators should be granted only the minimum system access rights required to complete their specific job responsibilities?
A. Principle of Least Privilege (PoLP)
B. Defense in Depth
C. Stateful Inspection Mapping
D. Zero Trust Validation

Correct Answer: Option A


Explanation:
The Principle of Least Privilege restricts user account privileges to the absolute bare minimum needed to perform authorized tasks, reducing potential attack surfaces.

This question belongs to: Computer Cyber Security
Question #2 Report Error
Which of the following is a type of malware that displays unwanted advertisements?
A. Adware
B. Spyware
C. Ransomware
D. Trojan

Correct Answer: Option A


Explanation:
Adware is a type of malware that automatically displays or downloads unwanted advertisements, often without the user's consent.

This question belongs to: Computer Cyber Security
Question #3 Report Error
An attacker uses a network configuration trick to intercept wireless session cookies, letting them access a corporate web account without needing the user's password. This exploit is:
A. SQL Injection Exploit
B. Brute Force Attack
C. Session Hijacking
D. IP Header Spoofing

Correct Answer: Option C


Explanation:
Session hijacking captures live authentication tokens or active session state cookies, enabling attackers to bypass authentication gateways and impersonate victims.

This question belongs to: Computer Cyber Security