Which cryptographic security technique scrambles plain text records into unreadable strings using mathematical keys, ensuring data remains secure even if intercepted by threat actors? MCQ with Answer and Explanation

Which cryptographic security technique scrambles plain text records into unreadable strings using mathematical keys, ensuring data remains secure even if intercepted by threat actors?
A. Hashing Allocation
B. De-duplication
C. Encryption
D. Sandboxing Matrix
Answer: Option C
Solution (By JKSSB Mock Tests)
Encryption alters readable data into ciphertext using cryptographic mathematical algorithms, requiring specialized keys to reverse and decode.

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Practice More Cyber Security Questions

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What is the primary goal of a phishing attack?
A. To encrypt files
B. To install a virus
C. To disrupt network services
D. To obtain sensitive information such as passwords and credit card details

Correct Answer: Option D


Explanation:
The primary goal of phishing is to trick individuals into revealing sensitive information like usernames, passwords, and financial details by impersonating a trustworthy entity.

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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. Stateful Inspection Mapping
C. Principle of Least Privilege (PoLP)
D. Defense in Depth

Correct Answer: Option C


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

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What is 'spear phishing'?
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C. A physical attack
D. A type of virus

Correct Answer: Option A


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Spear phishing is a highly targeted form of phishing where attackers personalize their messages to a specific individual or group to increase the likelihood of success.

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