Which of the following is a method to protect data at rest? MCQ with Answer and Explanation

Which of the following is a method to protect data at rest?
A. Antivirus software
B. Intrusion detection system
C. Firewall
D. Encryption
Answer: Option D
Solution (By JKSSB Mock Tests)
Encryption is the primary method to protect data at rest, ensuring that even if storage media is compromised, the data remains unreadable without the decryption key.

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Practice More Cyber Security Questions

Question #1
What technique uses automated scripts to test a massive list of leaked username and password combinations across multiple websites to hijack accounts?
A. Buffer Overflow Exploit
B. Session Hijacking
C. Credential Stuffing
D. SQL Injection

Correct Answer: Option C


Explanation:
Credential stuffing exploits password reuse habits by testing databases of leaked credentials against automated web login forms.

This question belongs to: Computer Cyber Security
Question #2
What form of social engineering trick uses a physical item—such as scattering malware-infected USB flash drives around an office elevator—to compromise a network via employee curiosity?
A. Pharming Attack
B. Smishing Attempt
C. Baiting
D. Whaling Scam

Correct Answer: Option C


Explanation:
Baiting leverages curiosity or greed by using physical media tokens to trick victims into executing malicious payloads on their systems.

This question belongs to: Computer Cyber Security
Question #3
What type of attack occurs when an unauthorized user intercepts a wireless network session token, allowing them to impersonate a legitimate user without typing a password?
A. SQL Injection Modality
B. Session Hijacking / Cookie Stealing
C. Brute Force Guessing
D. IP Header Spoofing

Correct Answer: Option B


Explanation:
Session hijacking involves stealing active session IDs or web cookies to take over an authenticated user's active session web connection.

This question belongs to: Computer Cyber Security