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Cluster and VM Performance Questions

Authored by chandu K

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Cluster and VM Performance Questions
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71 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

After adding new workloads, why is Overall Runway below 365 days and the scenario still shows the cluster is in good shape?

Because the Target is 1 month.

Because there are recommended resources.

Because Storage Runway is still good.

Because new workloads are sustainable.

2.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

Media Image

An administrator notices high CPU usage on a VM and wants to determine whether adding more vCPUs would improve performance. Which two metrics should be analyzed to make this decision?

A. VM CPU Ready Time

B. Host Memory Swap Out Rate

C. VM CPU Usage

D. Host CPU Usage

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

An administrator receives complaints about VM performance. After reviewing the VM's CPU Ready Time data shown in the exhibit, which step should the administrator take to diagnose the issue further?

Assess cluster SSD capacity.

Review host CPU utilization.

Check the number of vCPUs assigned to each CVM.

Enable VM memory oversubscription.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

An administrator is responsible for resource planning and needs to plan for resiliency of a 10-node RF3 cluster. The cluster has 100TB of storage. How should the administrator plan for capacity in the event of future failures?

Set Reserve Storage Capacity (%) to 20.

Set Reserve Capacity for Failure to Auto Detect.

Set Reserve Capacity for Failure to None.

Set Reserve Memory Capacity (%) to 20.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

An administrator is protecting an application and its datastore on Volume Groups using Protection Domains.

This ensures data is protected and recoverable in case of failure.

This disables all backup options for the application.

This migrates the application to a different server automatically.

This deletes the datastore after backup is complete.

6.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

During failover tests, all application VMs restore successfully, but the application data is completely missing. How can the Protection Domain configuration be adjusted to avoid this issue in the future?

A. Use application-consistent snapshots.

B. Manually add Volume Groups to Protected Entities.

C. Place Volume Groups in a separate Protection Domain.

D. Select the "Auto protect related entities" checkbox.

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

An administrator started an LCM upgrade of the AHV hosts but realized that the upgrade would exceed the planned maintenance window. Which feature should be leveraged to prevent additional updates from occurring?

Run the lcm_task_cleanup.pyscript.

Restart Genesis on the cluster to restart the LCM service.

Cancel the LCM tasks via the Ergon command line (ecli).

Use the Stop Update feature in LCM.

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