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Exam contains 117 questions

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Question 67 🔥

Which of the following statements is true regarding VirtualBox?

Which database solution meets these requirements?

A. VirtualBox uses container-based virtualization and can only run virtual machines using the operating system of the host system.

Highly voted

B. VirtualBox can only be run from a graphical desktop environment and not from the text console.

Highly voted

C. VirtualBox provides special device drivers for several operating systems to enhance the virtual machine's performance.

Highly voted

D. VirtualBox contains a hypervisor that runs independently from any other operating system on a bare metal host.

Highly voted

E. VirtualBox is part of the vanilla Linux kernel and does not require any additional software installation on recent Linux distributions.

Highly voted

Discussion of the question

Question 68 🔥

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

Which database solution meets these requirements?

Discussion of the question

Question 69 🔥

What is the effect of running the virsh vcpupin CLUSNODE-2 4 2 command?

Which database solution meets these requirements?

A. It sets the affinity of virtual CPU 4 of virtual machine CLUSNODE-2 to physical processor 2.

Highly voted

B. It reduces the number of virtual CPUs in CLUSNODE-2 from 4 to 2.

Highly voted

C. It increases the number of virtual CPUs in CLUSNODE-2 from 2 to 4.

Highly voted

D. It sets the affinity for all virtual CPUs of virtual machine CLUSNODE-2 to the physical processors 2 and 4.

Highly voted

Discussion of the question

Question 70 🔥

Which of the following statements is true regarding a failover cluster?

Which database solution meets these requirements?

A. The core component of every failover cluster is a load balancer.

Highly voted

B. Every service may not be run more than once in a cluster.

Highly voted

C. Failover clusters provide scalability of a service beyond the capacities of one cluster node.

Highly voted

D. Failover clusters always require storage that is shared by all nodes.

Highly voted

E. In normal operation, services may be spread over all nodes.

Highly voted

Discussion of the question

Question 71 🔥

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

Which database solution meets these requirements?

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

Highly voted

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

Highly voted

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

Highly voted

D. Load balancers may be able to analyze traffic.

Highly voted

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

Highly voted

Discussion of the question

Question 72 🔥

How does high availability clustering relate to periodic storage backup? (Choose TWO correct answers.)

Which database solution meets these requirements?

A. Regular backups become generally unnecessary as any data loss or corruption is automatically recovered by the high availability cluster.

Highly voted

B. Regular backups remain vital as they allow restoration of data that was accidentally deleted or corrupted.

Highly voted

C. Regular backups may be reduced to the cluster configuration and cluster state data as this information is sufficient to recover any state of the cluster, including data, at any time.

Highly voted

D. Backups should be located only on the local storage of the cluster and should not be backed up in order to prevent bandwidth congestion.

Highly voted

E. Backup procedures may have to be adapted to the cluster to ensure complete and recoverable backups.

Highly voted

Discussion of the question

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Exam contains 117 questions

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