What is the purpose of a virtual machine (VM)? MCQ with Answer and Explanation
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Question #1
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Which utility software allows administrators to create exact point-in-time duplicates of a hard drive's contents to prevent data loss in case of physical disk failure?
Correct Answer: Option B
Explanation:
Backup and recovery software clones or copies files to alternative storage arrays to ensure data can be restored if primary storage fails.
Backup and recovery software clones or copies files to alternative storage arrays to ensure data can be restored if primary storage fails.
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Computer
Computer Software
Question #2
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What is the function of a debugger?
Correct Answer: Option C
Explanation:
A debugger is a tool used to test and remove bugs (errors) in software.
A debugger is a tool used to test and remove bugs (errors) in software.
This question belongs to:
Computer
Computer Software
Question #3
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What is the primary technical role of a Just-In-Time (JIT) compiler in modern software engineering environments?
Correct Answer: Option C
Explanation:
JIT compilers improve execution speed by compiling bytecode into native machine instructions on the fly as the program runs, combining the flexibility of interpretation with the speed of compilation.
JIT compilers improve execution speed by compiling bytecode into native machine instructions on the fly as the program runs, combining the flexibility of interpretation with the speed of compilation.
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Computer
Computer Software
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