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

• A.Failover clusters can be used to scale a single service beyond the capacity of a single cluster node.
• B.In case of the failure of any component, enough resources must remain to provide all cluster services.
• C.The overall capacity of all components in the cluster doesn't have to be larger than the resources needed in a regular setup.
• D.In regular cluster operation, not all resources are used.
• E.The number of nodes in a cluster has no effect on the availability as long as the sum of the available computing resources is equal.

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

• A.cibquery -L resources
• B.cib_admin -L resources
• C.cibadmin -R
• D.cibquery -o resources
• E.cibadmin -Q -o resources

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How can you configure traffic shaping and control in Linux?

• A.By using the ip command with appropriate options.
• B.By configuring traffic shaping parameters in the switch.
• C.By modifying the /etc/network/interfaces file.
• D.By using the nmcli command with appropriate options.

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

• A.A rewritable CD
• B.A LVM logical volume
• C.A physical hard disk
• D.A tape streamer
• E.A virtual tape library

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Which of the following statements is true regarding the quorum in a two node Pacemaker cluster?

• A.In a two node cluster, quorum can be determined and handled just as in a cluster with a higher number of nodes.
• B.In a two node cluster the quorum is always held by the node that first started the cluster software.
• C.The default quorum policy in a two node cluster must be set to ignore in order to configure a working cluster.
• D.Clusters with one or two nodes cannot have a quorum and require no quorum configuration.

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