LPI 304-200 Exam Practice Test Instant Access

Question 1

In the command vzctl ____ 105 /usr/bin/apt-get install wget

which subcommand of vzctl is missing in order to install wget in the OpenVZ container 105?

See Below Explanation:

Answer : A

Question 2

Which of the following statements is true regarding the following output of xl list:

Name ID Mem VCPUs State Time(s)

Domain-0 0 384 1 r----- 498.7

Debian 2 305 1 --p--- 783.5

Slack 6 64 1 -b---- 313.6

CentOS 7 512 2 r----- 455.1

AIt is necessary to use the xl command to change Slack's state to running.

BCentOS is the domain which has consumed the most CPU time.

CThe domain with ID 2 uses paravirtualization.

DBoth Debian and Slack require xl commands to start running.

ESlack is idle or waiting for I/O.

Answer : E

Question 3

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

AEmulation can only provide distinct hardware components but no complete virtual machines.

BEmulation requires changes to the guest operating system.

CEmulation reimplements a whole computing system in software.

DEmulation allows operating systems to be run on foreign architectures.

EEmulation is one of the most resource efficient virtualization techniques.

Answer : C, D

Question 4

Which of the following statements are true regarding IaaS computing instances? (Choose TWO correct answers.)

ACreation of new instances can be automated by using scripts or APIs and service interfaces.

BThe root file system of a computing instance is always persistent and can be accessed after the instance is destroyed.

CEach and every user of an IaaS cloud has exactly one computing instance.

DOnce created, computing instances are seldom deleted in order to ensure the accessibility of the instance's data.

EInstances may be created when needed and destroyed when they become obsolete.

Answer : A, E

Question 5

A configuration file for a Xen virtual machine was created with file name slack.cfg within Xen's configuration directory. Which of the following commands starts the virtual machine defined in this configuration file and opens the virtual machine's console on the current command line?

Axl start slack

Bxl create slack.cfg --show-console

Cxl create slack.cfg

Dxl start slack.cfg -c

Exl create slack.cfg --c

Answer : E

Question 6

When using the gatewaying/direct routing forwarding method of Linux Virtual Server (LVS), which of the following statements is true?

AThe default route of all backend servers must point to the LVS host.

BEvery backend server must accept packets addressed to the IP address of the virtual service.

COn the backend servers, all packets appear to originate from the IP address of the LVS host.

DThe link layer addresses of all backend servers must be included in the LVS configuration.

EWhen using gatewaying/direct routing, only the round robin algorithm is available.

Answer : B

Question 7

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

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