Upon investigating a workload performance issue, a vSAN administrator observed a high backend IOPs on a vSAN cluster. Which two causes explain this behavior? (Choose two.)
A.
The cluster DRS threshold has been set to Aggressive.
B.
There is a vSAN node failure.
C.
The vSAN Resync throttling is enabled.
D.
The object repair timer value has been increased.
E.
The vSAN policy protection level has changed from FTT=0 to FTT=1.
CD : correct
If VMs are not responding due to latency caused by resynchronization, you can throttle the number of IOPS used for resynchronization. Consider resynchronization throttling only if latencies are rising in the cluster due to resynchronization, or if resynchronization traffic is too high on a host.
https://docs.vmware.com/en/VMware-vSphere/6.7/com.vmware.vsphere.vsan-monitoring.doc/GUID-8D81FCF6-AC9A-4C2C-A8AC-DE50B9965054.html
C is in doubt because of Resync throttling is enabled by default and you could only modify from lower to higher values. So i think B it would be better as an answer
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