In Windows, the 'BitLocker' feature provides: MCQ with Answer and Explanation

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In Windows, the 'BitLocker' feature provides:

A. Network encryption

B. File-level encryption

C. Password management

D. Full disk encryption for data protection

Answer: Option D

Solution (By JKSSB Mock Tests)

BitLocker encrypts entire drives, protecting data if the device is lost or stolen, using TPM and user authentication.

This question belongs to: Computer Operating Systems

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Practice More Operating Systems Questions

Question #1

Which of the following is a characteristic of a distributed file system?

A. It is used only for backup purposes

B. Files are stored across multiple servers and can be accessed transparently

C. It is slower than local file systems

D. It requires a single central server

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Correct Answer: Option B

Explanation:
Distributed file systems (e.g., NFS, HDFS) provide a unified view of files across network nodes, enabling scalable storage.

This question belongs to: Computer Operating Systems

Question #2

In an operating system, what is a 'Deadlock'?

A. A software bug that permanently crashes the hardware system motherboard.

B. A situation where a process finishes its execution earlier than expected.

C. The safe closing down procedure of the kernel during a reboot.

D. A condition where two or more processes are permanently blocked because each is waiting for a resource held by the other.

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Correct Answer: Option D

Explanation:
A deadlock is a specific state where a set of processes are stalled because each process holds a resource and waits for another resource held by a different process.

This question belongs to: Computer Operating Systems

Question #3

What is the purpose of the 'initrd' or 'initramfs' image file during the Linux booting phase?

A. To provide a temporary root file system in RAM containing essential storage drivers needed to mount the real root file system.

B. To run background cron jobs before initialization.

C. To compile user space terminal environments.

D. To act as a desktop wallpaper storage module.

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Correct Answer: Option A

Explanation:
initramfs acts as an initial RAM file system that equips the booting kernel with necessary hardware and storage controller drivers to read the actual disk partition.

This question belongs to: Computer Operating Systems

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