5V0-21.19 exam

End-users are complaining that an application running on an all-flash vSAN datastore is not performing well. Which performance chart should an administrator view to troubleshoot this issue?A . Recovery Write IOPSB . Resync LatencyC . Read Cache Read IOPSD . Write Buffer Free PercentageView AnswerAnswer: C Explanation: Reference: https://docs.vmware.com/en/VMware-vSphere/6.7/vsan-673-monitoring-troubleshooting­guide.pdf

In a 10-node hybrid vSAN cluster, each node has seven 4TB magnetic disks and one 2TB SSD. What is the raw storage capacity of the vSAN datastore?A . 140TBB . 150TBC . 280 TBD . 300 TBView AnswerAnswer: C

An all-flash vSAN cluster contains four nodes. Which two storage policies can the cluster satisfy? (Choose two.)A . FTT=2 (RAID-1 Mirroring)B . FTT=2 (RAID-6 Erasure Coding)C . FTT=1 (RAID-1 Mirroring)D . FTT=1 (RAID-5 Erasure Coding)E . FTT=3 (RAID-1 Mirroring)View AnswerAnswer: CD

Which VM file type resides in the VM home namespace object on a vSAN datastore?A . .vswpB . .vmsnC . .vmxD . .vmemView AnswerAnswer: C Explanation: Reference: https://vsan-essentials.gitbooks.io/vsan-6-2/content/chapter6.html

A vSAN administrator is designing a new all-flash vSAN cluster. The cluster will host read intensive applications. Which factor should be included in the design to improve read performance?A . Multiple disk groupsB . Large capacity disksC . Large cache disksD . Large controller cacheView AnswerAnswer: B Explanation: Reference: https://vsan-essentials.gitbooks.io/vsan-6-2/content/chapter4.html

vCenter reports a number of vSAN network alarms on a 2-node vSAN Direct Connect cluster. The test pings show irregularities in the ping results. Using vSAN Health service, which two checks should be used to identify the network root cause? (Choose two.)A . Physical disk operation healthB . Network latencyC...

What are two purposes of a vSAN storage policy? (Choose two.)A . Determine how storage objects are provisionedB . Determine vSAN encryption levelC . Guarantee the required level of serviceD . Enable deduplication and compressionE . Enable TRIM/UNMAPView AnswerAnswer: AC Explanation: Reference: http://www.vmwarearena.com/understanding-vmware-virtual-san-storage-policies-detailed­view/

vCenter Server is offline. What are two ways to check the health of a vSAN cluster? (Choose two.)A . ESXi system logs on vSAN datastoreB . vSphere Host ClientC . esxcliD . HCIBenchE . esxtopView AnswerAnswer: BC Explanation: Reference: https://docs.vmware.com/en/VMware-vSphere/6.5/com.vmware.vsphere.security.doc/GUID­6C181D08-6650-4AD1-92D1-AAFDA3A3E38C.html

Which two features are available with the Cluster Quickstart wizard? (Choose two.)A . Deploy a vSAN Witness applianceB . Update storage controller driversC . Check for errors and inconsistenciesD . Setup lockdown mode for vSAN hostsE . Perform pre-check evaluation for data migrationView AnswerAnswer: BC Explanation: Reference: https://docs.vmware.com/en/VMware-vSphere/6.7/com.vmware.vsphere.vsan-planning.doc/GUID-CF9767B6-B3F5-4787-9AF3-D661987AE525.html

Which two vSAN Health Check items are included for vSphere Update Manager integration? (Choose two.)A . vSAN build recommendationB . vSAN object healthC . Online health connectivityD . vSAN release catalog up-to-dateE . Performance data collectionView AnswerAnswer: AC Explanation: Reference: https://storagehub.vmware.com/t/vmware-vsan/vsan-6-7-update-1-technical-overview/vsphere-update­manager-integration-7/