304-150 Online Practice Questions and Answers

Which file in /proc should an administrator check to determine if full virtualization is supported on a system? (Provide only the file name, with no path information) Your Response:

Which virsh subcommand is used to change the number of virtual CPUs onthefly? (Specify only the virsh subcommand without any additional information) Your Response:

Which of the following are common uses of virtualization? (Select TWO correct answers)

A. Operating System virtualization

B. User virtualization

C. Identification virtualization

D. Authentication virtualization

E. Storage virtualization

In heartbeat (versions 3 and post 2.1), what should the crm directive be set to?

A. on

B. no

C. respawn

D. pacemaker

E. off

Which one of the following commands will install an EZ Template for OpenVZ?

A. vzpkg p template

B. vzpkg install template

C. vzinstall template

D. vzctl p template

E. vzctl install template

Which statements are true about container based virtualization? (Select TWO correct answers)

A. As many VMs may run as system resources permit but only Linux supports container based virtualization.

B. As many OS versions may be used as system resources permit.

C. Only the same OS as the host system can be used.

D. The VMs must use the same kernel as the host system.

E. This allows running of Windows containers on a Linux host.

Where are paravirtualized device drivers installed?

A. In the Guest OS

B. In the Host OS

C. Compiled into the hypervisor

D. No special drivers are required for paravirtualization.

Which CPU flag must be enabled for full virtualization in Xen with AMD processors?

A. vmx

B. hvm

C. svm

D. vme

Which of the following statements are TRUE regarding KVM virtualization? (Select THREE correct answers)

A. Qemu is needed to create virtual machines on top of the KVM kernel module.

B. There is no support for Windows virtual machines.

C. The /proc/cpuinfo file can be checked to determine if the CPU is able to handle the KVM virtual machines.

D. For paravirtualized virtual machines, there is no special CPU support required.

E. Any tool that works with libvirt can be used to manage the KVM environment.

Which of the following Messaging Layers are supported by Pacemaker? (Select TWO correct answers)

A. Heartbeat

B. OpenAIS

C. DRBD

D. Red Hat Cluster Suite

E. Slurm