📝 Overview Virtual Machines

📖 From Operating System • 16. Virtual Machines • 22 questions available

Practice MCQs for Overview Virtual Machines. Test your knowledge with carefully crafted questions across easy, medium, and hard difficulty levels.

🔄 Last updated: 2026-07-27

Easy Questions

Medium Questions

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📝 Sample Questions

Q1. What does the abbreviation VMM stand for?

🔹 A. Virtual Machine Manager

🔹 B. Virtual Memory Module

🔹 C. Virtual Media Monitor

🔹 D. Virtualized Mainframe

💡 Difficulty: easy | ✅ Correct: A

Q2. How does paravirtualization differ from full virtualization in terms of guest‑OS interaction with the hypervisor?

🔹 A. The guest OS is modified to call hypervisor APIs

🔹 B. The guest OS runs unmodified

🔹 C. The hypervisor fully emulates hardware for the guest

🔹 D. The guest OS bypasses the hypervisor entirely

💡 Difficulty: medium | ✅ Correct: A

Q3. Explain how a VMM can enable live migration of a running guest OS without significant downtime.

🔹 A. By copying memory state incrementally

🔹 B. By rebooting the guest OS on the destination host

🔹 C. By pausing all VMs during migration

🔹 D. By using shared storage only

💡 Difficulty: hard | ✅ Correct: A

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