Which specific malware variety isolates data files by encrypting directories with high-grade algorithms, demanding cryptocurrency payments to unlock access? MCQ with Answer and Explanation

Which specific malware variety isolates data files by encrypting directories with high-grade algorithms, demanding cryptocurrency payments to unlock access?
A. Computer Worm
B. Ransomware
C. Adware Module
D. Rootkit Module
Answer: Option B
Solution (By JKSSB Mock Tests)
Ransomware targets data directories via cryptographic algorithms, locking file access until a ransom payment is made.

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Practice More Cyber Security Questions

Question #1
What does 'ethical hacking' refer to?
A. Hacking without any permission
B. Hacking for financial gain
C. Hacking performed with the permission of the system owner to identify vulnerabilities
D. Hacking to cause damage to systems

Correct Answer: Option C


Explanation:
Ethical hacking is authorized hacking conducted to identify and fix security weaknesses in a system, with the goal of strengthening security.

This question belongs to: Computer Cyber Security
Question #2
What is 'cyber resilience'?
A. The ability to increase system speed
B. The ability to prevent all cyber attacks
C. The ability to continuously deliver the intended outcome despite adverse cyber events
D. The ability to ignore cyber threats

Correct Answer: Option C


Explanation:
Cyber resilience is the ability of an organization to prepare for, respond to, and recover from cyber attacks while maintaining business operations.

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Question #3
What is the purpose of a network firewall in an organization?
A. To enforce security policies by controlling network traffic
B. To provide data backup
C. To manage user accounts
D. To detect and remove malware

Correct Answer: Option A


Explanation:
A network firewall enforces security policies by controlling traffic based on rules, preventing unauthorized access and protecting the network.

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