SK0-005 Question #194: Real Exam Question with Answer & Explanation

Question

An administrator is sizing the CPU requirements of a new application. The application requires 12 guest VMs to run concurrently on the host. If each guest requires 500MHz of CPU and the server has two sockets, which of the following CPUs will ensure there are sufficient host CPU resources for this application?

Options

• A1.6GHz CPU
• B2.0GHz CPU
• C2.5GHz CPU
• D3.2GHz CPU

Explanation

To support 12 guest VMs each requiring 500MHz on a two-socket server, a 3.2GHz CPU will provide sufficient host CPU resources.

Common mistakes.

• A. A 1.6GHz CPU, even with two sockets, would only provide a total of 3.2GHz, which is insufficient for the 6GHz required by the VMs.
• B. A 2.0GHz CPU, across two sockets, would offer 4.0GHz total, falling short of the 6GHz needed for all virtual machines.
• C. A 2.5GHz CPU in a dual-socket configuration provides 5.0GHz total, which is less than the 6GHz required by the concurrently running guest VMs.

Concept tested. Virtualization CPU resource allocation and sizing

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