VMware vSAN 6.7 Specialist v1.0
Question 1
A 100GB virtual disk object has this storage policy assigned to it:
✑ Site disaster tolerance: None - standard cluster
✑ Failures to Tolerate: 1 failure - RAID-1 (Mirroring)
✑ Number of disk stripes per object: 3
What is the maximum amount of raw vSAN storage capacity consumed by this virtual disk?
- A. 200GB
- B. 100GB
- C. 300GB
- D. 600GB
Answer : B
Question 2
A vSAN administrator has been tasked with troubleshooting an application in a Hybrid vSAN environment. The application is I/O intensive, and the magnetic capacity devices may be playing a role in slow performance, so the administrator decides to take action to help resolve the problem.
Which action should the administrator take?
- A. Change the Default Storage Policy to have stripe width of 13.
- B. Modify the stripe width for the application on the advanced settings for the VM.
- C. Add more magnetic capacity devices in the affected host.
- D. Increase the stripe width based on the number of capacity devices within the disk group.
Answer : B
Reference:
https://www.thomas-krenn.com/redx/tools/mb_download.php/mid.y5242ace756250c55/Manual_VMware_VSAN_Design_and_Sizing_Guide.pdf
Question 3
An administrator has deployed a development VMware vSAN 7.0 U1 cluster. It will be used by the development teams to deploy a mixture of cloud-native stateful applications alongside a combination virtual machine and Kubernetes workloads.
Which vSAN feature should be configured for the vSAN Data Persistence platform (vDPp)?
- A. vSAN Cloud Native Storage
- B. vSAN File Services
- C. vSAN with Shared Nothing Architecture (SNA)
- D. vSAN Direct
Answer : D
Reference:
https://docs.vmware.com/en/VMware-vSphere/7.0/vmware-vsphere-with-tanzu/GUID-F7223607-30A5-4B2D-9B06-A55A65FEAA11.html
Question 4
Skyline Health vSAN HCL DB up-to-date health check is alerting in red in a newly deployed vCenter Server.
Which two options are the possible solutions for this problem? (Choose two.)
- A. Obtain the HCL DB offline bundle from vmware.com, and manually update it.
- B. Upgrade to the latest version of vCenter.
- C. Upgrade the HCL DB from the hardware vendor website.
- D. Obtain the HCL DB from the hardware vendor, and manually update it.
- E. Update the HCL DB online from vmware.com.
Answer : AB
Reference:
https://kb.vmware.com/s/article/54945
Question 5
A new vSAN Cluster with four hosts has to be designed for a single site architecture.
Which design decision is correct?
- A. All the data must remain accessible even with two host failures.
- B. Configure the storage controllers to use RAID.
- C. Use block-based storage for the new vSAN cluster.
- D. Only hardware listed on the VMware Compatibility Guide will be deployed.
Answer : B
Reference:
https://www.parallels.com/blogs/ras/vmware-vsan/
Question 6
An organization is facing vSAN storage capacity challenges on one of their vSAN enabled clusters, while other vSAN enabled clusters are underutilized. The current vSAN version is 7.0 U1.
Which vSAN feature should be used to resolve this challenge in the quickest way?
- A. vSAN HCI Mesh
- B. vSAN Replication
- C. vSAN Stretched Clusters
- D. vSAN Datastore(s)
Answer : A
Reference:
https://docs.vmware.com/en/VMware-vSphere/7.0/rn/vmware-vsan-701-release-notes.html
Question 7
The Resyncing Objects view in the vCenter UI reports that some objects are currently resyncing.
Which two actions would cause this situation? (Choose two.)
- A. DRS is relocating VMs between vSAN nodes.
- B. HA Virtual Machine Monitoring forced a VM to reboot.
- C. A host failure occurs in the cluster.
- D. A change to the storage policy is applied to the objects.
- E. A VM snapshot is being deleted.
Answer : CD
Reference:
https://www.youtube.com/watch?v=1OYStxO1ges
Question 8
A vSAN administrator has recently upgraded a vSAN cluster to 7.0 U1 and has enabled Capacity Reserve features to reduce the amount of capacity reserved for transient and rebuild operations.
Which scenario would prevent this feature from operating properly?
- A. The physical disk has reached an 80% full reactive rebalance threshold.
- B. The used space on vSAN datastore exceeds the suggested slack rebuild threshold.
- C. The used space on vSAN datastore exceeds the suggested host rebuild threshold.
- D. Underutilized space is above 25-30% of the total capacity threshold.
Answer : D
Reference:
https://blogs.vmware.com/virtualblocks/2020/09/24/effective-capacity-management-with-vsan-7-update-1/
Question 9
A vSAN administrator notices the VMware Skyline Health: Network Latency Check reports indicate three hosts are non-compliant.
Which action should the vSAN administrator take?
- A. Reboot the noncompliant hosts one at a time.
- B. Rerun the VMware Skyline Health: vSAN Cluster Partition report.
- C. Place the noncompliant hosts into an isolated network.
- D. Check VMKNICs, uplinks, VLANs, physical switches, and associated settings.
Answer : B
Question 10
An administrator is responsible for managing a 5-node vSAN 7.0 cluster that hosts 150 virtual machines. Each virtual machine belongs to one of the following vSAN Storage Policies: vSANPolicy1:
✑ Site Disaster Tolerance: None
✑ Failures to Tolerate: 1 failure - RAIN5 (Erase Coding)
vSANPolicy2:
✑ Site Disaster Tolerance: None
✑ Failures to Tolerate: No data redundancy
Following an unplanned power event within the datacenter, the administrator has been alerted to the fact that one host has permanently failed. Prior to the vSAN host failure, the usable storage capacity of the vSAN Cluster was more than 40%.
What will be the potential impact to any virtual machine that was running on the failed host using vSANPolicy2?
- A. vSAN will immediately start the recovery process.
- B. Each virtual machine will be restarted on another vSAN host using vSphere HA.
- C. After 60 minutes, vSAN will automatically start the recovery process.
- D. Each virtual machine will need to be restored from backup.
Answer : D
Question 11
After a recent data loss event, the IT department plans to deploy a DR site using vSphere Replication with vSAN providing the storage backend.
The architect would like to know how many components will be created based on the following configuration:
✑ 2x 100 GB VMDK
✑ RAID 1 vSAN Storage Policy
✑ 4x Point in Time snapshots
How many components will be created?
- A. 32
- B. 24
- C. 16
- D. 8
Answer : B
Reference:
https://docs.vmware.com/en/vSphere-Replication/8.5/com.vmware.vsphere.replication-admin.doc/GUID-1FF815EB-80DC-401B-AD0E-
0898255DE624.html
Question 12
In vSAN 7.0 U1, when a host enters into maintenance mode (EMM) using the ג€Ensure Accessibilityג€ option, it will allow vSAN to write to another host in addition to the host holding the object replica.
What does vSAN write to that additional host?
- A. A full replica and all incremental updates that happened once the host entered maintenance mode
- B. A full replica
- C. The stripe from the host entering maintenance mode
- D. All incremental updates that happened once the host entered maintenance mode
Answer : A
Reference:
https://core.vmware.com/resource/vmware-vsan-design-guide
Question 13
A vSAN administrator received the following alert from vRealize Operations Manager:
ג€VMKernel NIC is experiencing high number of dropped packets.ג€
What is the quickest path in vRealize Operations Manager that should be used to further investigate this alert?
- A. Home -> vSphere Optimization Assessment
- B. Home -> Troubleshoot -> vSAN
- C. Alerts -> Triggered Alerts
- D. Environment -> vSAN and Storage Devices
Answer : C
Reference:
https://www.viktorious.nl/2015/12/10/vrops-virtual-machine-is-experiencing-a-high-number-of-received-packet-drops/
Question 14
A single capacity disk fails within a vSAN 7.0 U1 cluster running with a ג€compression-onlyג€ configuration enabled. The vSAN administrator must recognize the platform impact that has occurred and take steps to correct it.
Which action should the vSAN administrator take?
- A. The hardware failure will impact the entire disk group, so the vSAN administrator will need to remove and recreate the disk group following the replacement of the failed storage device.
- B. The hardware failure will stop the running workloads, so the vSAN administrator will need to disable the compression-only configuration, replace the failed capacity device, and then re-create the disk group.
- C. The hardware failure will impact all disk groups within the ESXi host, so the vSAN administrator will need to manually remove the ESXi node from the vSAN Cluster, replace the failed capacity device, and then re-create the disk group.
- D. The hardware failure will only impact the specific capacity disk, so the vSAN administrator will need to remove and replace the failed capacity device.
Answer : D
Reference:
https://blogs.vmware.com/virtualblocks/2020/09/22/space-efficiency-using-the-new-compression-only-option-in-vsan-7-u1/
Question 15
A vSAN administrator of a network isolated vSAN environment wants to upgrade the environment from the vSAN 7.0 to the vSAN 7.0 U1 using vLCM.
Which option, if any, should be used as a depot in this case?
- A. Configure the vSphere Lifecycle Manager to download the updates from an Online Depot.
- B. It is not possible to use the vSphere Lifecycle Manager on a network isolated environment.
- C. Configure the vSphere Lifecycle Manager to download updates from a local UMDS-shared repository.
- D. Configure the vSphere Lifecycle Manager to download the updates from the VMware Depot using HTTPS.
Answer : D
Reference:
https://kb.vmware.com/s/article/80838