Which command in Windows is used to check the integrity of system files? MCQ with Answer and Explanation

Which command in Windows is used to check the integrity of system files?
A. chkdsk
B. sfc /scannow
C. systeminfo
D. dism
Answer: Option B
Solution (By JKExamLibrary)
System File Checker (sfc /scannow) scans and repairs corrupted system files in Windows.

This question belongs to: Computer Operating Systems

Discuss this Question (0)

No comments yet. Be the first to start the discussion!

Practice More Operating Systems Questions

Question #1 Report Error
What does a 'Symmetric' multi-threaded system share across all active threads running within the exact same process?
A. Nothing; threads share absolutely zero operational bounds.
B. Processor clock cycles exclusively.
C. CPU registers, program counter, and stack pointers.
D. Address space, code section, and global data variables.

Correct Answer: Option D


Explanation:
Threads belonging to the same process share their parent process's memory space, program code section, global variables, and open operating system descriptors.

This question belongs to: Computer Operating Systems
Question #2 Report Error
Which of the following is a feature of the Windows 'Fast Startup'?
A. Hybrid shutdown that saves system state to a file for quicker boot
B. Full shutdown
C. Reduced power consumption
D. Faster hibernation

Correct Answer: Option A


Explanation:
Fast Startup combines a shutdown with hibernation, writing the kernel session to disk to speed up next boot.

This question belongs to: Computer Operating Systems
Question #3 Report Error
Which Linux terminal command outputs the total number of lines, words, and characters contained inside a specified text file?
A. ls -s
B. count
C. grep
D. wc

Correct Answer: Option D


Explanation:
The 'wc' (word count) command calculates and prints line counts, word totals, and byte metrics for a targeted text file.

This question belongs to: Computer Operating Systems