2V0-621D · Question #181
Which two scenarios would cause a Fault Tolerance-enabled virtual machine to fail to power the Secondary virtual machine? (Choose two.)
The correct answer is A. The host has entered a Network Partitioned state. B. vSphere High Availability (HA) is disabled on the host cluster. This question identifies two conditions that would prevent a vSphere Fault Tolerance (FT) Secondary virtual machine from powering on.
Question
Which two scenarios would cause a Fault Tolerance-enabled virtual machine to fail to power the Secondary virtual machine? (Choose two.)
Options
- AThe host has entered a Network Partitioned state.
- BvSphere High Availability (HA) is disabled on the host cluster.
- CEnhanced vMotion Compatibility (EVC) is enabled on the host cluster.
- DvSphere Distributed Power Management (DPM) is enabled on the host cluster.
How the community answered
(45 responses)- A80% (36)
- C13% (6)
- D7% (3)
Why each option
This question identifies two conditions that would prevent a vSphere Fault Tolerance (FT) Secondary virtual machine from powering on.
If a host enters a Network Partitioned state, it loses network connectivity with other hosts in the cluster, preventing the primary and secondary FT VMs from maintaining their synchronization and heartbeat, thus failing to power on the secondary.
vSphere Fault Tolerance relies on vSphere High Availability (HA) to function correctly, particularly for initial placement and automatic restart capabilities. If HA is disabled on the cluster, FT cannot operate, and the secondary VM will fail to power on.
Enhanced vMotion Compatibility (EVC) ensures CPU compatibility across hosts for vMotion, which is not directly related to Fault Tolerance's ability to power on a secondary VM.
vSphere Distributed Power Management (DPM) manages host power states to conserve energy and does not inherently prevent a Fault Tolerance secondary VM from powering on.
Concept tested: vSphere Fault Tolerance requirements and dependencies
Source: https://docs.vmware.com/en/VMware-vSphere/8.0/vsphere-availability/GUID-02EF4791-DC3E-4122-A1C1-B7020E671465.html
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