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A financial institute deployed a vSAN Stretched Cluster to provide geographical resiliency. After a recent WAN outage, the institute decided to deploy a smaller warm site and use vSphere Replication to asynchronously replicate the data.

The environment has the following configurations:

• 1300 VMs

• 300 TBs of storage

• RAID-5 vSAN storage policy

What is the minimum amount of vSphere Replication servers required to support the requirement?

A.
1
A.
1
Answers
B.
3
B.
3
Answers
C.
10
C.
10
Answers
D.
7
D.
7
Answers
Suggested answer: A

Explanation:

The correct answer is A. 1. vSphere Replication servers are not required for vSAN stretched cluster deployments, as the data is automatically replicated between the primary and secondary sites.

Therefore, the minimum amount of vSphere Replication servers required to support the requirement is 1.

Reference: https://docs.vmware.com/en/VMwarevSphere/6.7/com.vmware.vsphere.avail.doc/GUID-F7A33F01-2A05-4D6C-A7F0-353A9F8E75CF.html

A host in a vSAN cluster has the following VMware Compatibility Guide approved disks:

• 3 Solid State Drive (SSD) used for cache

• 12 magnetic Hard Disk Drives (HDD) used for capacity

Which two options are valid disk group configurations? (Choose two.)

A.
1 Disk Group with 2 SSD and 6 HDD
A.
1 Disk Group with 2 SSD and 6 HDD
Answers
B.
1 Disk Group with 3 SSD and 12 HDD
B.
1 Disk Group with 3 SSD and 12 HDD
Answers
C.
4 Disk Groups with 3 HDD each
C.
4 Disk Groups with 3 HDD each
Answers
D.
2 Disk Groups with 1 SSD and 6 HDD each
D.
2 Disk Groups with 1 SSD and 6 HDD each
Answers
E.
3 Disk Groups with 1 SSD and 4 HDD each
E.
3 Disk Groups with 1 SSD and 4 HDD each
Answers
Suggested answer: D, E

Explanation:

A disk group requires the following:

• One flash device for caching

• One to seven capacity devices for storage A host can include a maximum of five disk groups.

Which situation could cause a vSAN stretched cluster to fail?

A.
Blocked UDP ports on the firewall between data sites
A.
Blocked UDP ports on the firewall between data sites
Answers
B.
Static routes between the witness site and data sites
B.
Static routes between the witness site and data sites
Answers
C.
Layer 3 communication from the data sites to the witness site
C.
Layer 3 communication from the data sites to the witness site
Answers
D.
5ms round-trip lime (RTT) between data sites
D.
5ms round-trip lime (RTT) between data sites
Answers
Suggested answer: A

Explanation:

A stretched cluster in vSAN requires a reliable, low latency Layer 3 communication from the data sites to the witness site. Therefore, an interruption of Layer 3 communication from the data sites to the witness site could cause a vSAN stretched cluster to fail. Additionally, blocked UDP ports on the firewall between data sites and high latency (RTT) of more than 5ms between data sites could also cause failure of the vSAN stretched cluster.

Reference: https://docs.vmware.com/en/VMwarevSphere/6.7/com.vmware.vsphere.virtualsan.doc/GUID-30F37DFF-1F90-42F8-A32AF2F6A47E9A9A.html

An enterprise company is carrying out a planned yearly power test on specific platforms, and the infrastructure administrator has been asked to power down a vSAN 7.0 U1 cluster containing production virtual machines. The management workloads, such as the vCenter Server, are running on a different platform.

Which action should the vSAN administrator take to ensure it is safe to complete this task?

A.
Enter Maintenance Mode with Full data migration
A.
Enter Maintenance Mode with Full data migration
Answers
B.
Review the vSAN proactive tests results from the vSphere client
B.
Review the vSAN proactive tests results from the vSphere client
Answers
C.
Review Data Migration Pre-Check results from the vSphere client
C.
Review Data Migration Pre-Check results from the vSphere client
Answers
D.
Enter Maintenance Mode with ensure accessibility option
D.
Enter Maintenance Mode with ensure accessibility option
Answers
Suggested answer: D

Explanation:

The correct action to take to ensure it is safe to power down a vSAN 7.0 U1 cluster containing production virtual machines is to enter Maintenance Mode with the Ensure Accessibility option. This option will migrate the data from the disk groups in the vSAN cluster to other disk groups in the same cluster, and will allow the administrator to power down the cluster without any data loss.

Reference: https://docs.vmware.com/en/VMwarevSphere/6.7/com.vmware.vsphere.virtualsan.doc/GUID-BF44A3A9-8EFE-4FC3-A0F3-

E0F8F3B3C1DB.html

A currently-deployed vSAN cluster must deliver persistent storage to be used by vSphere with Tanzu.

The administrator needs to properly configure the vSAN Direct Configuration for this solution.

Which three steps should be taken? (Choose three.)

A.
Configure vSAN File Services for vSAN Direct.
A.
Configure vSAN File Services for vSAN Direct.
Answers
B.
Assign the storage policy to the container VMs.
B.
Assign the storage policy to the container VMs.
Answers
C.
Create a storage policy for vSAN Direct.
C.
Create a storage policy for vSAN Direct.
Answers
D.
Create a vSAN storage policy with FTT=0.
D.
Create a vSAN storage policy with FTT=0.
Answers
E.
Assign the storage policy to the namespace.
E.
Assign the storage policy to the namespace.
Answers
F.
Claim unused disks for vSAN Direct.
F.
Claim unused disks for vSAN Direct.
Answers
Suggested answer: C, D, F

Explanation:

The three steps to configure the vSAN Direct Configuration for vSphere with Tanzu are: C. Create a storage policy for vSAN Direct; D. Create a vSAN storage policy with FTT=0; and F. Claim unused disks for vSAN Direct.

Reference: https://docs.vmware.com/en/VMwarevSphere/7.0/com.vmware.vsphere.virtualsan.doc/GUID-D98EF27F-5E06-4040-A8C5-5C5B5B08F1E7.html

A vSAN administrator has recently upgraded to vSAN 7.0 U1. The vSAN administrator wants to control the amount of Capacity Reserve to use the underutilized capacity of -140TB in the cluster of 12 vSAN ReadyNodes & 400TB storage for vSAN internal operations.

Which two options should be used to accomplish this goal? (Choose two.)

A.
Slack Rebuild Reserve
A.
Slack Rebuild Reserve
Answers
B.
Buffer Reserve
B.
Buffer Reserve
Answers
C.
Capacity Plan Reserve
C.
Capacity Plan Reserve
Answers
D.
Host Rebuild Reserve
D.
Host Rebuild Reserve
Answers
E.
Operations Reserve
E.
Operations Reserve
Answers
Suggested answer: B, E

Explanation:

The two options to control the amount of Capacity Reserve to use the underutilized capacity of - 140TB in the cluster of 12 vSAN ReadyNodes & 400TB storage for vSAN internal operations are B.

Buffer Reserve and E. Operations Reserve. The Buffer Reserve is used to set the size of the buffer between the available capacity and the consumed capacity, and the Operations Reserve is used to set aside capacity for vSAN internal operations.

Reference: https://docs.vmware.com/en/VMwarevSphere/7.0/com.vmware.vsphere.virtualsan.doc/GUID-A2E0395F-A2F1-4A42-B716-3E3C3D912D2A.html

While preparing to update a vSAN cluster, an administrator finds that the firmware revision of the onboard storage controllers is no longer listed as supported in the Hardware Compatibility Guide, but new firmware is available.

Which action should the administrator take upon discovering this piece of information?

A.
Revert the cluster's on-disk format to the previous version.
A.
Revert the cluster's on-disk format to the previous version.
Answers
B.
Replace all storage controller hardware.
B.
Replace all storage controller hardware.
Answers
C.
Configure additional external storage resources.
C.
Configure additional external storage resources.
Answers
D.
Use vSphere Lifecycle Manager to update the controller firmware.
D.
Use vSphere Lifecycle Manager to update the controller firmware.
Answers
Suggested answer: D

Explanation:

The correct answer is D. Use vSphere Lifecycle Manager to update the controller firmware. According to the VMware Compatibility Guide [1], vSphere Lifecycle Manager can be used to update the firmware of storage controllers that are no longer listed as supported, as long as new firmware is available. [1] https://www.vmware.com/resources/compatibility/search.php

A vSAN architect is using the vSAN Sizer to build an All-Flash vSAN cluster for an accounting company.

The architect is trying to determine why 12 TBs are set aside for system overhead and is reviewing the items that are include in the overhead capacity.

Which two items are included? (Choose two.)

A.
VM swap overhead
A.
VM swap overhead
Answers
B.
Encryption overhead
B.
Encryption overhead
Answers
C.
Disk Format overhead
C.
Disk Format overhead
Answers
D.
Host upgrade overhead
D.
Host upgrade overhead
Answers
E.
File System overhead
E.
File System overhead
Answers
Suggested answer: C, D

Explanation:

According to the VMware vSAN Sizer guide [1], system overhead includes disk format overhead and host upgrade overhead. Disk format overhead is needed to accommodate the additional metadata associated with the vSAN disk format, and host upgrade overhead is needed to support any future host upgrades. [1] https://storagehub.vmware.com/#/datacenter/vsan/sizer/6_7

A vSAN administrator has deployed a new All-Flash vSAN cluster and would like to perform a health test on it to verify that the network performance is meeting the network throughput requirements.

Which tool should be used for this purpose?

A.
vSAN Cluster Performance
A.
vSAN Cluster Performance
Answers
B.
vSAN Proactive Test
B.
vSAN Proactive Test
Answers
C.
vSAN Skyline
C.
vSAN Skyline
Answers
D.
lOlnsight
D.
lOlnsight
Answers
Suggested answer: B

Explanation:

According to the VMware vSAN documentation [1], the vSAN Proactive Test is a built-in feature of vSAN that can be used to test the health of a vSAN cluster and verify that the network performance meets the throughput requirements. This tool can be accessed through the vSAN Health Service. [1]

https://docs.vmware.com/en/VMware-vSphere/7.0/vsphere-esxi-vcenter-server-70-vsan-healthservice-guide.pdf

A vSAN administrator wants to transition from VMware Update Manager to vSphere Lifecycle Manager.

Which element is a mandatory requirement to create an image?

A.
Component
A.
Component
Answers
B.
Vendor Add-On
B.
Vendor Add-On
Answers
C.
ESXi Version
C.
ESXi Version
Answers
D.
Firmware and Drivers Add-On
D.
Firmware and Drivers Add-On
Answers
Suggested answer: D

Explanation:

According to the VMware documentation [1], the Firmware and Drivers Add-On is a mandatory requirement to create an image in vSphere Lifecycle Manager. This add-on provides the necessary firmware and drivers to ensure that the image package is compatible with the environment. [1]

https://docs.vmware.com/en/VMware-vSphere/7.0/vsphere-esxi-vcenter-server-70-lifecyclemanager-guide.pdf

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