Question No. 1

What is the purpose of fencing in a high availability cluster?

APrevent failed nodes from interfering with the remaining intact part of the cluster.

BEnsure a consistent assignment of all network connections from a client to the same cluster server.

CDefine constraints on which services may run on the same cluster node.

DEnforce storage quota and other resource limitations for each service provided by the cluster.

EProvide multi-tenancy cluster configuration for cloud computing.

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Correct Answer: A

Question No. 2

Which of the following restrictions is true when using KVM with the User Network?

AVirtual Machines must use a SOCKS proxy to connect to the internet.

BVirtual Machines can communicate with the host system and with other virtual machines using User Network.

CVirtual Machines can only communicate with other virtual machines but not with the host system.

DVirtual Machines cannot use ICMP.

EVirtual Machines are restricted to only use IPv6 and not IPv4.

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Correct Answer: D

Question No. 3

When used with KVM, which of the following block device image formats support snapshots?

Aqcow

Bdmg

Cqed

Dqcow2

Eraw

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Correct Answer: D

Question No. 4

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

AOCFS2 is an integral part of Pacemaker and relies on Pacemaker services for functionality.

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

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

DOCFS2 can be used without any additional software as it contains its own cluster manager, O2CB.

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

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Correct Answer: C, D

Question No. 5

Which of the following are tools or services that manage a Linux Virtual Server (LVS) setup? (Choose TWO correct answers.)

Akeepalived

Bldirectord

Clvproxy

Droundrobind

Evserverd

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Correct Answer: A, B

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