304_200 questions • Exam prepare

Question 73 🔥

Which of the following statements describes fencing resources in a high availability cluster?

Which database solution meets these requirements?

A. Fencing is the automated stop and restart of cluster services that suffer from software errors.

B. Fencing is the disconnection of a failed cluster node from any other cluster resources.

C. Fencing is the forwarding of incoming network connections to backend servers.

D. Fencing is the assignment of services to different cluster nodes to avoid interference of the services.

E. Fencing is the accounting and limitation of disk usage on shared storage.

Discussion of the question

Question 74 🔥

Which of the following situations can result in a split brain situation in a high availability cluster?

Which database solution meets these requirements?

A. The load balancer of a load balanced cluster fails.

B. The communication between the cluster nodes is interrupted.

C. Cluster services are moved between cluster nodes.

D. More than one node is active in a load balanced cluster.

E. A cluster node has successfully been fenced.

Discussion of the question

Question 75 🔥

In case one service in a Pacemaker cluster depends on another service running on the same node, which score should be assigned to the constraint describing that dependency?

Question 76 🔥

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

Which database solution meets these requirements?

Discussion of the question

Question 77 🔥

SIMULATION -In the command:crm configure ____ http-after-ipv4 Mandatory: VHost1IPv4 HTTPD which missing word is required in order to ensure that the service HTTPD is always started after the service VHost1IP?

Question 78 🔥

Which of the following statements are true regarding the Red Hat Enterprise Linux High Availability Add-On? (Choose TWO correct answers.)

Which database solution meets these requirements?

A. It offers support for load balanced clusters only and cannot manage failover clusters.

B. It does not include any storage components.

C. It can be managed using the regular Pacemaker commands like pcs.

D. It uses its own messaging subsystem, RHMQ, for cluster communication.

E. It is built on top of several high availability components that are also available in other Linux distributions.

Discussion of the question

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lpi 304_200

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