LPIC-3 Virtualization & High Availability v2.0 Free Sample Questions

ccmd

crmd

fencer

pengine

keepalived

block-attach, xl cd-insert, cd-eject, xl cd-eject, cd-insert, xl block-attach, block-detach, xl block-detach

Centos is the domain which has consumed the most CPU time.

The domain with ID 2 uses paravirtualization.

Both Debian and Slack require xl commands to start running.

Slack is idle orwaiting for I/O.

Full virtualization does not require changes to the guest operating systems.

Full virtualization has no performance impact compared to a non-virtualized bare-metal installation on the same machine.

Full virtualization has a severe performance impact and should not be used in production environments.

Full virtualization may be supported by special CPU extensions that provide better performance.

Full virtualization always requires additional software components and cannot be done using Linux only.

It restores a virtual machine from a state file.

It reverts a virtual machine, including its storage devices, to a previously saved state.

It wakes up a virtual machine that was hibernated by the operating system running inside the virtual machine.

It restores a virtual machine that was stopped by a kernel panic.

By mounting other VM's file systems from /dev/virt-disks/remote/.

By using a network file system or file transfer protocol.

By default, Linux-based virtualization products provide full access to the host system to all virtual machines.

By setting up a ramdisk in one virtual machine and mounting it using its UUID in the other VMs.

By attaching the same virtual hard disk to all virtual machines and activating EXT4 sharing extensions on it.