What is the purpose of the Android 'ConnectivityManager'? MCQ with Answer and Explanation

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What is the purpose of the Android 'ConnectivityManager'?

A. To manage Wi-Fi connections only

B. To control Bluetooth

C. To monitor and manage network connectivity (Wi-Fi, cellular, etc.)

D. To check data usage

Answer: Option C

Solution (By JKSSB Mock Tests)

ConnectivityManager provides information about active network connections and allows apps to request network status.

This question belongs to: Computer Operating Systems

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In Windows, the 'BitLocker' feature provides:

A. Network encryption

B. Password management

C. Full disk encryption for data protection

D. File-level encryption

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Correct Answer: Option C

Explanation:
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

Question #2

In Windows, what does a dynamic-link library (.dll) file represent?

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D. A backup copy of the master boot sector.

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Correct Answer: Option A

Explanation:
DLL files are dynamic link libraries containing shared subroutines that multiple programs can call simultaneously to save memory and structure code efficiently.

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In Windows, the 'PowerShell' command to get a list of running processes is:

A. All of the above

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Correct Answer: Option A

Explanation:
Get-Process (PowerShell), ps (alias), and tasklist (CMD) all list processes.

This question belongs to: Computer Operating Systems

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