LPI 304-200 Exam Practice Test Instant Access

Question 1

Which one of the following options represents a valid declaration of a backend server with HAProxy?

Ahost server_x 10.1.0.1:80 cookie server_x

Bbackend server_x 10.1.0.1:80

Cserver server_x 10.1.0.1:80 check

Dpool server_x 10.1.0.1:80

Answer : C

Question 2

In order to use the option dom0_mem to limit the amount of memory assigned to the Xen Domain-0, where must this option be specified?

AIn its Makefile, when Xen is built.

BIn the configuration file /etc/xen/Domain-0.cfg, when Xen starts.

CIn the bootloader configuration, when Xen is booted.

DIn its .config file, when the Domain-0 kernel is built.

EIn any of Xen's global configuration files.

Answer : C

Question 3

Which of the following resources are directly (i.e. without specialized machine images) available to users of an OpenStack cloud? (Choose THREE correct answers.)

ADatabase servers to store relational data.

BVirtual machines for computing tasks.

CApplication servers for immediate deployment with Mono applications.

DObject storage that is accessed through an API.

EBlock storage devices for persistent data storage.

Answer : B, D, E

Question 4

Which of the following statements is true regarding networking with libvirt?

ALibvirt's network functionality is limited to connecting virtual machines to a physical network interface of the host system.

BLibvirt networks appear, by default, as standard Linux bridges in the host system.

CLibvirt assigns the same MAC address to all virtual machines and isolates their network interfaces at the link layer.

DLibvirt requires a dedicated network interface that may not be used by the host system.

ELibvirt supports exactly one virtual network and connects all virtual machines to it.

Answer : B

Question 5

Which of the following statements are true about container-based virtualization? (Choose TWO correct answers.)

AAll containers run within the operating system kernel of the host system.

BDifferent containers may use different distributions of the same operating system.

CEach container runs its own operating system kernel.

DContainer-based virtualization relies on hardware support from the host systems CPU.

ELinux does not support container-based virtualization because of missing kernel APIs.

Answer : A, B

Question 6

Which of the following circumstances prevent the usage of container based virtualization? (Choose TWO correct answers.)

AMore than one container requires access to block devices available in the host system.

BRemote access via SSH is required to all containers.

CEach container needs to have its own user accounts and user groups.

DAdministrators of containers must be able to install customized Linux kernels.

EDifferent operating systems are to be used within containers on the same virtualization host.

Answer : D, E

Question 7

Which of the following statements are true regarding Xen domains? (Choose TWO correct answers.)

AFully virtualized and paravirtualized domains are managed using the same tools and commands.

BXen domains of all types require virtualization extensions in the host system's CPU.

CAll fully virtualized domains are called 'Dom0' while all paravirtualized domains are called 'DomU'.

DBoth paravirtualized and fully virtualized domains may run on the same host system.

EParavirtualized domains are significantly slower than fully virtualized domains.

Answer : A, D

LPI 304-200 LPIC-3 Exam 304: Virtualization & High Availability Exam Practice Test