What are two requirements to enable EVC in vSphere DRS …

What are two requirements to enable EVC in vSphere DRS cluster? (Choose two.)

What are two requirements to enable EVC in vSphere DRS cluster? (Choose two.)

A.
CPUs must be from the same vendor.

B.
EVC must use the lowest possible baseline supported by the hardware.

C.
CPUs must be in the same family and of the same speed.

D.
No VMs may be running in the cluster.

Explanation:
https://pubs.vmware.com/vsphere-60/index.jsp#com.vmware.vsphere.vcenterhost.doc/GUIDFEC87C0B-7276-4152-8EAA-915305E64FED.html#GUID-FEC87C0B-7276-4152-8EAA-915305E64FED

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A,D. The B is the definition not the requirement

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LB

LB

A and B is correct.

https://pubs.vmware.com/vsphere-51/index.jsp?topic=%2Fcom.vmware.vsphere.vcenterhost.doc%2FGUID-DE575FB9-24AE-4453-966B-5340B8147FC9.html

“If virtual machines are running on hosts that have feature sets greater than the EVC mode you intend to enable, ensure that the cluster has no powered-on virtual machines.” Its not required to migrate them or turn them down.

https://kb.vmware.com/s/article/1003212

“Not all members of a given processor generation can support the same maximum EVC baseline. Either because of BIOS configuration or branding decisions made by OEM or CPU vendors, some members of that generation may lack a feature required to participate at the maximum EVC baseline. For example, some Intel Xeon i3/i5 Clarkdale processors (based on the Intel “Westmere” processor architecture) do not have AESNI capability, which is required for the Intel “Westmere” Generation EVC baseline. Therefore, these processors cannot support that EVC baseline and must use lower levels of EVC baseline”

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