Which software utility uses a cryptographic key to scramble data files, making them completely unreadable to unauthorized users who lack the decryption key? MCQ with Answer and Explanation

Question

Which software utility uses a cryptographic key to scramble data files, making them completely unreadable to unauthorized users who lack the decryption key?

A. File Compression Utility

B. Antivirus Engine

C. Encryption Software

D. Defragmenter

Answer: Option C

Solution (By JKSSB Mock Tests)

Encryption software encodes sensitive digital files into unreadable ciphertext to guarantee secure privacy and data protection.

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What type of application software is engineered to translate text from one human language to another using neural machine translation models?

A. Desktop Publishing Suite

B. Machine Translation Software

C. Spreadsheet System Engine

D. Database Management Core

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Correct Answer: Option B

Explanation:
Translation software uses algorithms and language models to translate text or speech across human languages.

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What type of application software is specifically used to manage, schedule, and automate marketing emails and lead generation campaigns?

A. Desktop Publishing Tool (DTP)

B. Database Management Architecture (DBMS)

C. Enterprise Resource Management (ERP)

D. Marketing Automation Software

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Correct Answer: Option D

Explanation:
Marketing automation software helps businesses schedule email campaigns, track leads, and analyze customer engagement data.

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Question #3

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What is the primary function of a database management system (DBMS) like MySQL or Oracle Database?

A. To create, organize, retrieve, modify, and manage structured electronic records.

B. To interface directly with network router firmware.

C. To optimize physical drive head mechanics.

D. To compile assembly source text files into executable code blocks.

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Correct Answer: Option A

Explanation:
A DBMS is application/system software optimized for defining, manipulating, maintaining, and querying large databases.

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