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 function is not supported in a GFS2 file system?

A. repair

B. grow

C. shrink

D. withdraw

An administrator wants to create a resource that can be ported to Red Hat Cluster Suite from a Pacemaker environment. Which resource type should be created?

A. An OCF resource

B. A clone

C. A primitive

D. An LSB resource

E. A RHC resource

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 of full virtualization? (Select THREE correct answers)

A. Full virtualization has superior I/O performance through the emulated device drivers.

B. Full virtualization is faster than paravirtualization.

C. Full virtualization requires time and system resources for emulation.

D. Full virtualization requires no modification to the Guest OS kernel.

E. Full virtualization works through CPU emulation.

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 one of the following is NOT a required component for running an OCFS2 file system resource in a Pacemaker environment?

A. A clone resource for the OCFS2 file system

B. quorum

C. dlm

D. clvm

E. o2cb

With DRBD, how can the state of the disks be checked? (Select TWO correct answers)

A. cat /proc/drdb/status

B. cat /proc/drdb

C. drbdadm dstate r0

D. drbdadm diskstatus r0

E. drbdadm state disk r0

Which O2CB mode should be used for OCFS2 integration with heartbeat?

A. user

B. dlm

C. heartbeat

D. kernel

In virtualization, why is using a 64bit host operating system desirable compared to a 32bit host?

A. 64bit hosts provide more data throughput to guests than 32bit hosts.

B. Virtualization isn't stable with 32bit based operating systems.

C. 64bit operating systems get faster access to hardware resources such as disk drives.

D. There is a larger memory address space which allows for potentially more and larger virtualized guests.