Which of the following are true regarding the CPU of a QEMU virtual machine? (Choose two.)

Question

Options

• AThe CPU architecture of a QEMU virtual machine is independent of the host system's architecture.
• BEach QEMU virtual machine can only have one CPU with one core.
• CFor each QEMU virtual machine, one dedicated physical CPU core must be reserved.
• DQEMU uses the concept of virtual CPUs to map the virtual machines to physical CPUs.
• EQEMU virtual machines support multiple virtual CPUs in order to run SMP systems.

• A
  81% (21)
• B
  12% (3)
• C
  4% (1)
• D
  4% (1)

Explanation

The CPU architecture of a QEMU virtual machine is independent of the host system's architecture. QEMU can emulate many CPU architectures, including x86, ARM, Alpha, and SPARC, regardless of the host system's architecture. This allows QEMU to run guest operating systems that are not compatible with the host system's hardware. Therefore, option A is correct. QEMU virtual machines support multiple virtual CPUs in order to run SMP systems. QEMU uses the concept of virtual CPUs (vCPUs) to map the virtual machines to physical CPUs. Each vCPU is a thread that runs on a physical CPU core. QEMU allows the user to specify the number of vCPUs and the CPU model for each virtual machine. QEMU can run SMP systems with multiple vCPUs, as well as single-processor systems with one vCPU.

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