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LPI 304-200 LPI Level 3 Exam 304 Exam Practice Test

Demo: 18 questions
Total 120 questions

LPI Level 3 Exam 304 Questions and Answers

Question 1

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

Options:

A.

Failover clusters are not operational without at least one dedicated load balancer.

B.

All response packages sent from a backend server to a client must pass through the load balancer.

C.

The load balancer is usually deployed on one of the backend servers.

D.

Load balancers may be able to analyze traffic.

E.

All incoming connections to the cluster services are received by the load balancer.

Question 2

Which of the following commands can be used to safely test and preview Pacemaker configuration changes? (Choose TWO correct answers.)

Options:

A.

crm_test

B.

crm_simulate

C.

crm_dryrun

D.

crm_lab

E.

crm_shadow

Question 3

Which of the following statements are true regarding the determination of the capacity of a high availability cluster? (Choose TWO correct answers.)

Options:

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.

Question 4

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

Options:

A.

cibquery -o resources

B.

cibadmin -R

C.

cibadmin -Q -o resources

D.

cibquery -L resources

E.

cib_admin -L resources

Question 5

Which of the following device classes are commonly used STONITH devices? (Choose THREE correct answers.)

Options:

A.

Uninterruptable Power Supplies, UPS

B.

CPU frequency management tools

C.

Blade Control Devices

D.

Remote Management Services like iLO or DRAC

E.

Local node storage

Question 6

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

Options:

A.

and

B.

and

C.

and

D.

and

E.

and

Question 7

Which of the following statements is true regarding journals of a GFS2 filesystem?

Options:

A.

Each GFS2 filesystem has exactly one journal.

B.

Once a GFS2 filesystem is created, the number of journals cannot be changed.

C.

Every node that simultaneously mounts the filesystem requires its own GFS2 journal.

D.

Journals were heavily used in GFS and are deprecated and optional in GFS2.

E.

The GFS Cluster Journal Daemon, GCJD, handles the journaling in a GFS2 cluster.

Question 8

What is the name and path of the configuration file for the O2CB cluster that coordinates the nodes using OCFS2 filesystems?

Options:

A.

/etc/ocfs2/cluster.conf

B.

/etc/ocfs/cluster.conf

C.

/etc/ocfs2.conf

D.

/etc/cluster.conf

Question 9

Which of the following can be used as a low level device for DRBD? (Choose TWO correct answers.)

Options:

A.

A LVM logical volume

B.

A physical hard disk

C.

A rewritable CD

D.

A virtual tape library

E.

A tape streamer

Question 10

Which parameter of vgchange controls whether a volume group is shared within a shared storage cluster? (Specify ONLY the option name without any values or parameters.)

Options:

Question 11

Which of the following statements are true regarding OCFS2? (Choose TWO correct answers.)

Options:

A.

OCFS2 is an integral part of Pacemaker and relies on Pacemaker services for functionality.

B.

To avoid the need for shared storage, OCFS2 can replicate the content of its filesystems via the network.

C.

When using OCFS2 with additional cluster software, OCFS2 must be integrated into the overall cluster manager to ensure consistent cluster behaviour.

D.

OCFS2 can be used without any additional software as it contains its own cluster manager, O2CB.

E.

In addition to filesystems, OCFS2 can handle other cluster services such as IP addresses and server daemons.

Question 12

Which of the following commands can be used to change properties such as the number of node slots or the label of an existing OCFS2 filesystem?

Options:

A.

ocfs2.setprops

B.

ocfs2tool

C.

crm_edit

D.

tunefs.ocfs2

E.

o2cbtool

Question 13

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

Options:

A.

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

B.

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

C.

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

D.

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

E.

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

Question 14

Which of the following tools is used to interact with XenStore?

Options:

A.

xenstore-ls

B.

xendo

C.

xs

D.

xl store

E.

xstore

Question 15

Which command within virsh lists the virtual machines that are available on the current host?

Options:

A.

view

B.

show

C.

list-vm

D.

list

E.

list-all

Question 16

Which of the following statements is true regarding XenStore?

Options:

A.

It is a web interface used to provide self-service domain provisioning to users with sufficient privileges.

B.

It saves the persistent configuration of all defined Xen domains and restores them when the host system is started.

C.

It manages disk file images on behalf of all virtual machines and provides them as virtual devices to guest domains.

D.

It stores run time information regarding Xen and its domains using hierarchical namespaces shared between domains.

E.

It is a software repository located within the host system used to provide software packages to the guest domains.

Question 17

Which of the following statements describes the concept behind paravirtualization?

Options:

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.

Question 18

Which of the following commands are needed to establish a private network between two (or more) KVM virtual machines that is not visible to other KVM instances on the same KVM host? (Choose THREE correct answers.)

Options:

A.

ifconfig

B.

brctl

C.

tunctl

D.

ipconfig

E.

ebtables

Demo: 18 questions
Total 120 questions