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LPI

117-304 · Question #91

What change must be made to the Guest OS kernel to support paravirtualization?

The correct answer is B. The Guest OS kernel must replace privileged CPU instructions with calls to the hypervisor. See the full explanation below for the reasoning.

Question

What change must be made to the Guest OS kernel to support paravirtualization?

Options

  • ANone; the unmodified Guest OS kernel communicates with the CPU through an emulated CPU
  • BThe Guest OS kernel must replace privileged CPU instructions with calls to the hypervisor.
  • CNone; the unmodified Guest OS kernel can communicate directly with the hardware CPU.
  • DThe Guest OS kernel must rewrite modules to communicate with the hypervisor.

How the community answered

(19 responses)
  • A
    11% (2)
  • B
    79% (15)
  • C
    5% (1)
  • D
    5% (1)

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