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

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What is the purpose of the Android 'DevicePolicyManager'?

A. To enforce device security policies (like password, encryption) for enterprise

B. To wipe device data

C. To control device settings

D. To manage app policies

Answer: Option A

Solution (By JKSSB Mock Tests)

DevicePolicyManager is used for enterprise management to set policies such as password requirements, lock screen, and data wipe.

This question belongs to: Computer Operating Systems

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In Android, what is the name of the runtime environment introduced in Android 5.0 to replace Dalvik?

A. ART (Android Runtime)

B. Google Runtime

C. Dalvik 2.0

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Correct Answer: Option A

Explanation:
ART (Android Runtime) replaced Dalvik with ahead-of-time (AOT) compilation, improving performance and reducing startup time.

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What does the acronym UEFI stand for?

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Correct Answer: Option D

Explanation:
UEFI is a modern firmware interface that replaces BIOS, offering faster boot, secure boot, and support for large hard drives.

This question belongs to: Computer Operating Systems

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What is the name of the default bootloader utility widely used by modern distributions of Linux, such as Ubuntu or Fedora?

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Correct Answer: Option B

Explanation:
GRUB (Grand Unified Bootloader) is the standard and most widely used bootloader across modern Linux distributions.

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