Which of the following is an example of a utility software for checking disk errors? MCQ with Answer and Explanation

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Which of the following is an example of a utility software for checking disk errors?

A. Chkdsk

B. Format

C. Partition

D. Defrag

Answer: Option A

Solution (By JKSSB Mock Tests)

Chkdsk (Check Disk) scans for and repairs file system errors.

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Question #1

What is the purpose of a software license key?

A. To compress files

B. To authenticate and activate the software

C. To speed up execution

D. To manage memory

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Correct Answer: Option B

Explanation:
License keys are used to verify legal ownership and unlock full features.

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Question #2

A utility program that checks file system metadata indices and attempts to reconstruct damaged directory link nodes after an unexpected power outage is a:

A. File Compactor Engine

B. File System Repair Utility / CHKDSK

C. Registry Sweeper Tool

D. Disk Defragmenter

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Correct Answer: Option B

Explanation:
File system repair tools (like CHKDSK) scan logical metadata allocations to verify and fix errors in file structural pathways.

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Question #3

What is the main function of a software firewall?

A. Filters incoming and outgoing network traffic

B. Scans for viruses

C. Compresses files

D. Defragments disk

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Correct Answer: Option A

Explanation:
A firewall is a security utility that monitors network traffic.

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