What action does the virsh restore command perform?

What action does the virsh restore command perform?
A . It restores a virtual machine that was stopped by a kernel panic.
B . It restores a virtual machine from a state file.
C . It reverts a virtual machine, including its storage devices, to a previously saved state.
D . It wakes up a virtual machine that was hibernated by the operating system running inside the virtual machine.

Answer: B