200-301 Question #451: Real Exam Question with Answer & Explanation

Question

What describes the operation of virtual machines?

Options

• AVirtual machines are responsible for managing and allocating host hardware resources
• BIn a virtual machine environment, physical servers must run one operating system at a time.
• CVirtual machines are the physical hardware that support a virtual environment.
• DVirtual machines are operating system instances that are decoupled from server hardware

Explanation

Virtual machines are software-based operating system instances that run on physical hardware, providing isolation and flexibility from the underlying server.

Common mistakes.

• A. Hypervisors, not virtual machines themselves, are responsible for managing and allocating host hardware resources to multiple VMs.
• B. In a virtual machine environment, one of the primary benefits is that multiple operating systems can run concurrently on a single physical server, each within its own VM.
• C. Virtual machines are software entities, not the physical hardware that supports a virtual environment; physical servers and hypervisors provide the underlying hardware and management.

Concept tested. Virtual machine fundamentals

Reference. https://learn.microsoft.com/en-us/windows-server/virtualization/hyper-v/hyper-v-virtual-machine-architecture

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