Run multiple isolated guest operating systems on one physical server.
Describe the main responsibility of the hypervisor.
Which statement is correct?
A hypervisor abstracts physical resources and schedules CPU, memory, and virtual devices for isolated virtual machines.
Detailed explanation
Correct. The hypervisor mediates resources and virtual devices for each VM.
Correct. The hypervisor mediates resources and virtual devices for each VM.
Incorrect. PID namespaces are a container feature, not the hypervisor's main role.
Incorrect. PID namespaces are a container feature, not the hypervisor's main role.
Incorrect. Guest packages are managed inside the guest OS, not installed directly into the host.
Incorrect. Guest packages are managed inside the guest OS, not installed directly into the host.
Incorrect. Disk encryption is a separate storage-security function.
Incorrect. Disk encryption is a separate storage-security function.
Try it yourself
An example you can run in a temporary verification environment.
test -d /sys/module/kvm && echo kvm-module-present || echo kvm-module-not-observedExpected result
KVM moduleの観測結果。構成変更は行わないKey points
- Hypervisor
- Resource allocation
- Virtual machine
Notes
- Environment: Linux kernelの読み取り専用状態確認
- Command output formatting can vary slightly by distribution or tool version.
- Run the example in a temporary directory or process when possible.
Foundation review
Read the scope first
Check whether the command acts on the current shell, a new process, an existing process, or a file.
Verify the observable result
Use the supplied command and compare the output with the expected result.