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LPIC-3 304: Virtualization & High Availability

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LPIC-3 304: Virtualization & High

Availability LPIC-3 is a professional certification program program

that covers enterprise Linux specialties. LPIC-3 304

covers administering Linux enterprise-wide with an

emphasis on Virtualization & High Availability.

Exam Objectives Version: Version 2.0 (last update:

December 4th, 2014)

Exam Covered: LPIC-3 304 (304-200); Exam 1 of 1 to

obtain LPIC-3 Linux Enterprise Professional:

certification

Objectives Reflected in Published Exam: February

17th, 2015

Required Prerequisite: Successfully pass LPIC-1 101

and 102 and LPIC-2 201 and 202 exams

About Objective Weights: Each objective is assigned a

weighting value. The weights range roughly from 1 to

10 and indicate the relative importance of each

objective. Objectives with higher weights will be

covered in the exam with more questions.







LPIC-3 304 Exam Objectives

Topics:

330 – Virtualization

334 – High Availability Cluster Management

335 – High Availability Cluster Storage







Topic 330: Virtualization 330.1 Virtualization Concepts and Theory

Weight: 8

Description: Candidates should know and understand the general concepts,

theory and terminology of Virtualization. This includes Xen, KVM and libvirt

terminology.

Key Knowledge Areas:

Terminology

Pros and Cons of Virtualization

Variations of Virtual Machine Monitors

Migration of Physical to Virtual Machines

Migration of Virtual Machines between Host systems

Cloud Computing







LPI Pass4Sure 304-200 Practice

Test

LPI

Exam 304-200 LPI Level 3 Exam 304

Version: Demo

[ Total Questions: 10 ]







LPI Pass4Sure 304-200 Practice Test

Topic 1, Virtualization

Question No : 1 – (Topic 1)

Which daemon applies the configuration and commands of libvirt to the

virtualization components of the host system?

A. vmd

B. virtuald

C. libvirtmgr

D. libvirt-worker

E. libvirtd

Answer : libvirtd









Answer :

What is XAPI?

A. An extension of libvirt which adds live migration of virtual servers

between arbitrary hypervisors.

B. A ReSTful API which is used by xl to communicate with the Xen

hypervisor.

C. The communication interface between a paravirtualized Linux Kernel

and the Xen hypervisor.

D. A high level tool chain which provides advanced management tools and

interfaces for Xen.

E. The internal messaging system within the Xen hypervisor.

A high level tool chain which provides advanced

management tools and interfaces for Xen









Answer :

Within the graphical output of a KVM virtual machine, which key sequence

switches to the KVM monitor of the VM?

A. Ctrl-Alt-1

B. Ctrl-Alt-0

C. Ctrl-Alt-4

D. Ctrl-Alt-2

E. Ctrl-Alt-3

Ctrl-Alt-2









Answer :

Which of the following types of guest systems does Xen support?

(Choose TWO correct answers.)

A. Paravirtualized guests (PV)

B. Foreign architecture guests (FA)

C. Fully virtualized guests (HVM)

D. Container virtualized guests (CVM)

E. Emulated guests (EMU)

Paravirtualized guests (PV)

Fully virtualized guests (HVM)









Answer :

How can data in a computing instance in an IaaS cloud be permanently saved

and accessed even after the recreation of the computing instance?


A. By saving the data to the memory of the computing instance using tmpfs.

B. By saving the data anywhere in the computing instance’s file system.

C. By saving the data to /cloud/persistent/ which is provided in all common IaaS

clouds.

D. By saving the data to object stores provided by a separate service in the cloud.

E. By saving the data on persistent block devices that must be explicitly

connected to the computing instance.

By saving the data to object stores provided by a separate

service in the cloud.

By saving the data on persistent block devices that must

be explicitly connected to the computing instance.








Question No : 6 CORRECT TEXT – (Topic 1)

Answer :

Which virsh subcommand is used to change the CD-ROM image file

attached to a virtual machine? (Specify ONLY the subcommand without

any parameters.)

Answer: change-media, virsh change-media, qemu-monitor-

command, virsh qemumonitor-command









Answer :

What action does the virsh restore command perform?

A. It restores a virtual machine that was stopped by a kernel panic.

B. It restores a virtual machine from a state file.

C. It reverts a virtual machine, including its storage devices, to a previously

saved state.

D. It wakes up a virtual machine that was hibernated by the operating system

running inside the virtual machine.

It restores a virtual machine from a state file.








Topic 2, High Availability Cluster Management


Answer: D,E

Which of the following statements are true regarding the determination of the

capacity of a high availability cluster?


A. The overall capacity of all components in the cluster doesn’t have to be larger

than the resources needed in a regular setup.

B. The number of nodes in a cluster has no effect on the availability as long as the

sum of the available computing resources isequal.

C. Failover clusters can be used to scale a single service beyond the capacity of a

single cluster node.

D. In regular cluster operation, not all resources are used.

E. In case of the failure of any component, enough resources must remain to

provide all cluster services.









Answer :

Which of the following are valid load balancing algorithms for HAProxy?


A. persistent

B. weightedrr

C. source

D. leastconn

E. destination

source

leastconn








Topic 3, High Availability Cluster Storage


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

A. user

B. dlm

C. heartbeat

D. kernel

Answer : user







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