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Question 79

A cloud administrator is tasked with choosing a correct Elastic DRS policy. The existing VMware Cloud on AWS environment consists of a single cluster with two ESXi hosts.

The following guidelines regarding the expected performance must be met:

• The cluster should be able to scale automatically when additional resources are required.

• Application performance should NOT be affected when the cluster scaling operation is being performed.

Which Elastic DRS policy should the cloud administrator select?

    Correct Answer: A

    To meet the guidelines of automatically scaling when additional resources are required and ensuring that application performance is not affected during the scaling operation, the 'Optimize for Best Performance' policy is the most appropriate. This policy ensures that new hosts are added quickly to meet performance demands and only removed slowly, which minimizes the impact on application performance during scaling operations.

Discussion
ruan19812022Option: D

question #105 has the correct scenario for rapid scale out policy

ruan19812022Option: A

I dont agree with D, that policy is meant for DR scenarios and min scale out is 4 hosts at a time. Scaling in is also manual once youve done it... This policy is not meant for performance based scaling. A should be correct in this scenario

aee63f0Option: D

AI said: D. Optimize for Rapid Scale-Out. This policy is designed to quickly scale out the cluster when additional resources are required, ensuring that the cluster can accommodate increased workload demands promptly. Additionally, it aims to minimize the impact on application performance during the scaling operation, aligning with the requirement that application performance should not be affected during the scaling process.

spookyfoxOption: A

https://vmc.techzone.vmware.com/resource/feature-brief-elastic-drs#section3 Optimizing for performance adds hosts quickly and removes them slowly to ensure the best possible performance; I think A

drprofmrgentomOption: D

The answer should be D. Rapid Scale Out EDRS Rapid Scale-Out is configured to react faster and to add hosts in parallel, up to four at a time, to allow a cluster to scale-out more quickly during an event. https://blogs.vmware.com/cloud/2020/04/16/rapid-scale-elastic-drs-vmware-cloud-aws/#:~:text=EDRS%20Rapid%20Scale%2DOut%20is,more%20quickly%20during%20an%20event.