304-200 Online Practice Questions and Answers

Which of the following commands provides a detailed list of all image files contained in the libvirt storage pool vol1?

A. virsh list --volumes --pool vol1 --details

B. virsh vol-details vol1

C. virsh --show-pool vol1 --details

D. virsh vol-list vol1 --details

E. virsh volumes --source vol1 璬etails

What is the name of the kernel module that is required to be loaded in order to use KVM on an Intel CPU architecture? (Specify ONLY the module name without any path information and with or without the module suffix.)

A. kvm-intel.ko -or- kvm-intel -or- kvm_intel.ko -or- kvm_intel

Which file format is used by libvirt to store configuration data?

A. INI-style text files

B. Text files containing key/value pairs

C. Java-like .properties files

D. XML files

E. SQLite databases

Which of the following statements describes the concept behind paravirtualization?

A. Guest operating systems are modified to actively cooperate with the hypervisor in order to ease virtualization costs and gain better performance.

B. Instead of running full virtual machines, containers are used to separate distinct parts of one commonly shared operating system that appear as a virtual machine.

C. To avoid the need for virtualization, special security measures are taken to allow different applications to coexist on one physical machine.

D. Each operating system is trusted to use only those resources assigned to it, thereby eliminating the need of an additional virtualization layer.

Using Linux Virtual Server (LVS) without any additional tools provides which of the following features?

A. Balancing network connections across several backend servers.

B. Automatically taking over the services of failed nodes.

C. Restarting failed services on the backend servers.

D. Checking the integrity of services on backend servers.

E. Starting and stopping backend servers as needed.

Which command is used to edit and display the running Linux Virtual Server (LVS) configuration? (Specify ONLY the command without any path or parameters.)

A. ipvsadm

Which of the following commands displays only the resources of the cluster information base of a pacemaker cluster?

A. cibquery -o resources

B. cibadmin -R

C. cibadmin -Q -o resources

D. cibquery -L resources

E. cib_admin -L resources

Which of the following are valid load balancing algorithms for HAProxy? (Choose TWO correct answers.)

A. persistent

B. weightedrr

C. source

D. leastconn

E. destination

Which configuration setting ultimately determines which server will be the MASTER with keepalived?

A. advert_int

B. state

C. type

D. priority

What is the purpose of the Cluster Configuration System (CCS)?

A. It manages the cluster configuration information file.

B. It fences a dropped node.

C. It manages ACLs for cluster service access.

D. It manages the network topology and settings for the cluster.