304-200 Exam Training Practice Tests (Lpi LPIC-3 Exam 304: Virtualization & High Availability, version 2.0)]

Question 1

Which of the following statements are true for full virtualization? (Choose TWO correct answers.)

A. Full virtualization may be supported by special CPU extensions that provide better performance. B. Full virtualization has a severe performance impact and should not be used in production environments. C. Full virtualization does not require changes to the guest operating systems. D. Full virtualization always requires additional software components and cannot be done using Linux only. E. Full virtualization has no performance impact compared to a non-virtualized bare-metal installation on the same machine.

Correct Answer: A,C

Question 2

Which of the following statements are true regarding the handling of a hardware error in a high availability cluster? (Choose THREE correct answers.)

A. After the cluster deals with an error, no manual actions are required to bring the cluster back to normal operation. B. Services are restarted on or redirected to other cluster nodes. C. Erroneous components are physically turned off as they are in an undefined state. D. High availability provides automatic recovery from software errors only and cannot mitigate hardware issues. E. The cluster management components monitor the health of all cluster components.

Correct Answer: B,C,E

Question 3

Which kernel module must be loaded to initiate a RAID-1 like copy of data on two separate storage devices for a clustered storage solution?

A. drbd B. rsyncd C. clraid D. clmirror

Correct Answer: A

Question 4

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

A. Heartbeat B. OpenAIS C. SCMP D. Slurm E. DRBD

Correct Answer: A,B

Question 5

How can data be shared between several virtual machines running on the same Linux-based host system?

A. By attaching the same virtual hard disk to all virtual machines and activating EXT4 sharing extensions on it. B. By default, Linux-based virtualization products provide full access to the host system to all virtual machines. C. By setting up a ramdisk in one virtual machine and mounting it using its UUID in the other VMs. D. By using a network file system or file transfer protocol. E. By mounting other VM's file systems from /dev/virt-disks/remote/.

Correct Answer: D

Question 6

Which of the following sections are found in the Pacemaker configuration XML file?

A. <ressources> and <services> B. <configuration> and <status> C. <pacemaker> and <corosync> D. <nodes> and <services> E. <cluster> and <state>

Correct Answer: B

Question 7

Which of the following statements describes fencing resources in a high availability cluster?

A. Fencing is the disconnection of a failed cluster node from any other cluster resources. B. Fencing is the assignment of services to different cluster nodes to avoid interference of the services. C. Fencing is the forwarding of incoming network connections to backend servers. D. Fencing is the automated stop and restart of cluster services that suffer from software errors. E. Fencing is the accounting and limitation of disk usage on shared storage.

Correct Answer: A

Lpi LPIC-3 Exam 304: Virtualization & High Availability, version 2.0 - 304-200 Exam Practice Test