Which type of booting occurs when the system starts from a powered-off state? MCQ with Answer and Explanation

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Which type of booting occurs when the system starts from a powered-off state?

A. Cold boot

B. Warm boot

C. Reboot

D. Soft boot

Answer: Option A

Solution (By JKSSB Mock Tests)

A cold boot is starting the computer from a completely powered-off state, performing full POST and boot sequence.

This question belongs to: Computer Operating Systems

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What is the purpose of the Windows 'Safe Mode with Networking'?

A. To start Windows with minimal drivers plus network support for troubleshooting

B. To boot into a command prompt only

C. To start Windows with all drivers but no network

D. To load the last known good configuration

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Correct Answer: Option A

Explanation:
Safe Mode with Networking adds network drivers so users can access the internet or network shares while troubleshooting.

This question belongs to: Computer Operating Systems

Question #2

Which Linux command is used to display the kernel version?

A. lsb_release -a

B. version

C. uname -r

D. kernel -v

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Correct Answer: Option C

Explanation:
uname -r shows the kernel release version; uname -a gives all system info.

This question belongs to: Computer Operating Systems

Question #3

Which Linux terminal command can be used to monitor real-time file updates, frequently used to watch system log additions dynamically?

A. cat

B. less

C. tail -f

D. head

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Correct Answer: Option C

Explanation:
The 'tail' command with the '-f' (follow) option keeps the text stream open, printing new lines to the terminal screen as they are written to the log file.

This question belongs to: Computer Operating Systems

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