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1V0-21.20 · Question #21

An administrator is trying to configure EVC on a cluster that has both AMD and Intel hosts, but the configuration is failing. What is causing this failure?

The correct answer is A. The administrator did not separate out the hosts by processor type prior to enabling EVC.. EVC (Enhanced vMotion Compatibility) requires all hosts in a cluster to have CPUs from the same vendor to ensure consistent CPU features, making mixed-vendor clusters incompatible.

Explain Resource Management in vSphere

Question

An administrator is trying to configure EVC on a cluster that has both AMD and Intel hosts, but the configuration is failing. What is causing this failure?

Options

  • AThe administrator did not separate out the hosts by processor type prior to enabling EVC.
  • BThe administrator did not configure vMotion on all hosts prior to enabling EVC.
  • CThe administrator did not remove all passthrough devices prior to enabling EVC.
  • DThe administrator did not configure vSphere HA prior to enabling EVC.

How the community answered

(44 responses)
  • A
    91% (40)
  • B
    7% (3)
  • D
    2% (1)

Why each option

EVC (Enhanced vMotion Compatibility) requires all hosts in a cluster to have CPUs from the same vendor to ensure consistent CPU features, making mixed-vendor clusters incompatible.

AThe administrator did not separate out the hosts by processor type prior to enabling EVC.Correct

EVC (Enhanced vMotion Compatibility) requires all hosts in a cluster to have CPUs from the same vendor (e.g., all Intel or all AMD) to ensure consistent CPU features for seamless vMotion migrations, making mixed-vendor clusters incompatible with EVC.

BThe administrator did not configure vMotion on all hosts prior to enabling EVC.

vMotion itself doesn't need to be configured prior to enabling EVC, and its absence is not the root cause of EVC failure due to mixed CPU vendors.

CThe administrator did not remove all passthrough devices prior to enabling EVC.

Passthrough devices are not directly related to EVC functionality or its core requirement for CPU compatibility, so their presence or absence would not cause EVC configuration to fail due to mixed CPU types.

DThe administrator did not configure vSphere HA prior to enabling EVC.

vSphere HA (High Availability) operates independently of EVC and its configuration is not a prerequisite for enabling EVC.

Concept tested: EVC Processor Compatibility Requirements

Source: https://docs.vmware.com/en/VMware-vSphere/7.0/com.vmware.vsphere.vcenterhost.doc/GUID-5310A71E-7D47-4952-B4D2-83569767F2D1.html

Topics

#EVC#cluster configuration#CPU compatibility

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