In Windows, the 'Robocopy' command is used for: MCQ with Answer and Explanation

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In Windows, the 'Robocopy' command is used for:

A. Copying files only within the same drive

B. Robust file copy with advanced options for networks and backups

C. Both A and C

D. Synchronizing folders

Answer: Option C

Solution (By JKSSB Mock Tests)

Robocopy (Robust File Copy) is a powerful command-line tool for copying and synchronizing directories, with retry and logging features.

This question belongs to: Computer Operating Systems

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Question #1

What is the default file system used by Windows 10 and 11?

A. FAT32

B. exFAT

C. ext4

D. NTFS

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Correct Answer: Option D

Explanation:
Windows uses NTFS (New Technology File System) as its default file system for internal drives, supporting security, compression, and large files.

This question belongs to: Computer Operating Systems

Question #2

What scheduling algorithm prioritizes processes based on their remaining computation requirements, preempting a running process if a shorter task enters the ready queue?

A. Round Robin (RR)

B. First-Come, First-Served (FCFS)

C. Shortest Remaining Time First (SRTF)

D. Static Priority Scheduling

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Correct Answer: Option C

Explanation:
Shortest Remaining Time First (SRTF) is a preemptive variant of SJF that continuously evaluates remaining runtime, switching to shorter newly arrived tasks.

This question belongs to: Computer Operating Systems

Question #3

In operating systems, what is the 'Working Set' of a process?

A. The structural priority tier assigned by the CPU scheduler.

B. The list of peripheral device drivers used by the application.

C. The set of memory pages frequently referenced by the process during its current execution phase.

D. The entire collection of data files ever opened by the process.

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Correct Answer: Option C

Explanation:
The working set represents the specific collection of virtual memory pages that a process actively utilizes during a given time slice.

This question belongs to: Computer Operating Systems

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