5V0-21.21 Exam Questions & Answers
VMware HCI Master Specialist • VMware
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Sample 5V0-21.21 Questions
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A cache disk failure marked a vSAN disk group as failed, and the data is being rebuilt on other disk groups.
Which action should the vSAN administrator take to reduce the negative impact on the VMs?
https://docs.vmware.com/es/VMware-vSphere/6.5/com.vmware.vsphere.virtualsan.doc/GUID-8D81FCF6-AC9A-4C2C-A8AC-DE50B9965054.html
An administrator has an absent capacity disk.
Which action, if any, should the administrator take to resolve the problem?
The best action to take to resolve the problem is to replace the faulty disk, as stated in the VMware official guide: 'Hosts can include a maximum of five disk groups [1], each of which must have one flash cache device and one or more capacity devices [1]. In vSAN, each host can have a maximum of seven capacity devices, excluding the flash cache device [1]. The flash cache device is used to accelerate read and write operations [1], while the capacity devices provide the raw storage capacity for the vSAN cluster.'
https://docs.vmware.com/en/VMware-vSphere/7.0/com.vmware.vsphere.vsan-monitoring.doc/GUID-4E3390C1-6C50-49E5-AEB6-C9BC037979A1.html
Which statement accurately describes the result when proper VM Storage Policy Affinity Rules on a stretched vSAN cluster are set?
Setting proper VM/Host Group Rules and VM Storage Policy Affinity Rules are beneficial for several reasons Bandwidth is not unnecessarily sent across the inter-site link Lower inter-site bandwidth utilization In the situation where the alternate site is disconnected, the VM will continue to have access to its vmdk. from https://core.vmware.com/resource/vsan-stretched-cluster-guide#sec7341-sub5
An organization has two vSAN clusters managed by the same vCenter server, each providing 100 TB of storage. The first cluster runs at 75% of its storage capacity, and the second cluster runs at 40% of its storage capacity.
The company also has the following:
* an iSCSI array of 300 TB, which runs at 76% of its capacity
* a NAS system of 200 TB, which runs at 10% of its capacity
* a Fiber channel (FC) array of 300 TB, which runs at 80% of its capacity
The administrator is asked to add an additional 25 TB of storage to the first cluster but is also made aware that there is no budget to purchase new hardware and that the vSAN Storage Policy Based Management must be kept in place.
Which storage option will work for this use case?
https://blogs.vmware.com/virtualblocks/2020/09/16/introducing-vmware-vsan-hci-mesh/
An administrator would like to upgrade ten identically configured 2-node vSAN clusters from vSAN 6.7 U3 to vSAN 7.0 U1. Currently, each 2-node vSAN cluster is using a dedicated vSAN witness host appliance. As a result of the upgrade, the administrator would like to leverage the vSAN shared witness feature to reduce the resources being consumed.
In preparation for the first vSAN cluster upgrade, the administrator has completed the following tasks:
1. Upgraded vCenter Server to vCenter Server 7.0 U1.
2. vSphere High Availability (HA) has been disabled on the vSAN Cluster.
3. Upgraded the vSAN witness host appliance to vSphere 7.0 U1.
4. Upgraded both vSAN data nodes to vSphere 7.0 U1.
The key requirement is to ensure that backwards compatibility to the existing version of vSAN is maintained during the upgrade process.
Which three additional steps should the administrator complete to ensure that subsequent clusters can share the same vSAN Witness? (Choose three.)
https://blogs.vmware.com/virtualblocks/2020/09/21/shared-witness-for-2-node-vsan-deployments/
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