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NEW QUESTION 22
An administrator has received an alert indicating that a single capacity device is close to failing within the production vSAN Cluster. The administrator must now complete preemptive maintenance on the vSAN Cluster without impacting the availability of workloads or vSAN File Services.
The following information is known about the vSAN Cluster:
* vSAN 7.x Cluster
* vSAN node count: 8
* De-Duplication and Compression: Enabled.
* Encryption: Disabled
* Current Utilization: 45%
* Disk Groups: 2
* Devices per node: 2 x 400 GB SSD, 6 x 1.8 TB SSD
Which three steps should the administrator take to successfully complete the task? (Choose three.)
- A. Put the affected vSAN host into maintenance mode to physically replace the storage device.
- B. Remove the affected Disk Group from the vSAN Cluster, and choose Full Data Migration.
- C. Replace the failed disk with a storage device that is identical in class but smaller in capacity.
- D. Remove the affected Disk Group from the vSAN Cluster, and choose No Data Migration.
- E. Replace the failed disk with a storage device that is identical in class and capacity.
- F. Remove the affected Disk from the Disk Group, and choose Full Data Migration.
Answer: B,E,F
NEW QUESTION 23
An 8-Node vSAN Stretched Cluster (4+4+1) with a single disk group has a policy with PFTT=1 (mirrored across sites) and SFTT=1/FTM Mirroring (Local Protection) configured.
The administrator has been alerted that there is a problem with the cluster. The following has been observed:
* The vSAN Witness Host is offline.
* Two disk failures on two hosts have occurred in the preferred site.
This has resulted in a critical production virtual machine's vmdk becoming inaccessible.
Which step needs to be performed by the administrator to resolve the issue?
- A. Replace the vSAN Witness Host
- B. Replace all failed disks on the preferred site.
- C. Replace access to the existing vSAN Witness Host
- D. Replace only one failed disk on the preferred site.
Answer: C
NEW QUESTION 24
A company has deployed a 12-node (6-6-1) vSAN 7.0 stretched cluster for all production workloads.
The customer currently uses four different vSAN storage policies for running the workloads depending on the applications requirements:
* Policy 1 - Site Disaster Tolerance=Dual Site Mirroring, FTT=Erasure Coding
* Policy 2 - Site Disaster Tolerance=Dual Site Mirroring, FTT=Mirroring
* Policy 3 - Site Disaster Tolerance=None - Keep Data on Preferred, FTT=Mirroring
* Policy 4 - Site Disaster Tolerance=None - Keep Data on Non-Preferred, FTT=Mirroring During the setup of the vSAN stretched cluster, the following VM/Host Rules were created:
* Preferred Site - Preferred Site workloads should run on DC1 hosts.
* Secondary Site - Secondary Site workloads should run on DC2 hosts.
Which two activities should the administrator complete to ensure that there is no impact to production services during the maintenance window in the Preferred Site? (Choose two.)
- A. Change the FTT setting in Policy 3 to be "Erasure Coding".
- B. Update vSphere DRS site affinity rules so that Preferred Site workloads must run on hosts in DC2.
- C. Change the Site Disaster Tolerance setting in Policy 4 to be "None - Keep Data on Preferred".
- D. Change the Site Disaster Tolerance setting in Policy 3 to be "Dual Site Mirroring".
- E. Update vSphere DRS site affinity rules so that Preferred Site workloads should not run on hosts in DC1.
Answer: B,D
NEW QUESTION 25
In a stretched vSAN cluster, how is Read Locality established after fail over to the secondary site?
- A. 100% of the reads comes from vSAN hosts on the remote site
- B. 50% of the reads comes from vSAN hosts on the local site
- C. 50% of the reads comes from vSAN hosts on the remote site
- D. 100% of the reads comes from vSAN hosts on the local site
Answer: A
Explanation:
In the event of a failure or maintenance event, the virtual machine is restarted on the remote site. The 100% rule continues in the event of a failure. This means that the virtual machine will now read from the replica on the site to which it has failed over. One consideration is that there is no cached data on this site, so cache will need to warm for the virtual machine to achieve its previous levels of performance.
NEW QUESTION 26
An administrator is setting up vSAN file services on a vSAN cluster.
Which two security policies on the distributed port groups are automatically enabled in the process? (Choose two.)
- A. DVFiltering
- B. MacLearning
- C. Forged Transmits
- D. Jumbo Frames
- E. Promiscuous Mode
Answer: B,C
Explanation:
https://docs.vmware.com/en/VMware-vSphere/7.0/com.vmware.vsphere.vsan.doc/GUID-CA9CF043-9434-454E-86E7-DCA9AD9B0C09.html MacLearning and Forged Transmits are enabled as part of the vSAN File Services enablement process for a provided DVS port group.
NEW QUESTION 27
An administrator has received an alert indicating that a single capacity device is close to failing within the production vSAN Cluster. The administrator must now complete preemptive maintenance on the vSAN Cluster without impacting the availability of workloads or vSAN File Services.
The following information is known about the vSAN Cluster:
* vSAN 7.x Cluster
* vSAN node count: 8
* De-Duplication and Compression: Enabled.
* Encryption: Disabled
* Current Utilization: 45%
* Disk Groups: 2
* Devices per node: 2 x 400 GB SSD, 6 x 1.8 TB SSD
Which three steps should the administrator take to successfully complete the task? (Choose three.)
- A. Put the affected vSAN host into maintenance mode to physically replace the storage device.
- B. Replace the failed disk with a storage device that is identical in class but smaller in capacity.
- C. Remove the affected Disk Group from the vSAN Cluster, and choose No Data Migration.
- D. Replace the failed disk with a storage device that is identical in class and capacity.
- E. Remove the affected Disk from the Disk Group, and choose Full Data Migration.
- F. Remove the affected Disk Group from the vSAN Cluster, and choose Full Data Migration.
Answer: A,D,E
Explanation:
If you upgrade the capacity device, verify the following requirements:
- Verify that the cluster contains enough space to migrate the data from the capacity device.
- Place the host in maintenance mode. See Place a Member of Virtual SAN Cluster in Maintenance Mode.
"Select the flash capacity device or magnetic disk, and click Remove selected disk(s) from disk group."
https://docs.vmware.com/en/VMware-vSphere/6.5/com.vmware.vsphere.virtualsan.doc/GUID-4E3390C1-6C50-49E5-AEB6-C9BC037979A1.html
NEW QUESTION 28
An architect is working with an All-Flash vSAN configuration and will be using the Flash Caching Devices in vSAN.
Which requirement is specifically needed for these devices?
- A. Write endurance
- B. IOPS
- C. Capacity
- D. Read endurance
Answer: A
Explanation:
Reference:
In all-flash configurations, vSAN uses the cache layer for write caching only. The write cache must be able to handle high write activities. https://docs.vmware.com/en/VMware-vSphere/7.0/com.vmware.vsphere.vsan-planning.doc/GUID-1D6AD25A-459A-43D6-8FF5-52475499D6A2.html
NEW QUESTION 29
An administrator managing a vSAN cluster of six-nodes with policy FTT-2/RAID-6 decided to put one of the nodes in maintenance mode using the "Full-data migration" option.
What will happen after this action is taken?
- A. The host will enter into maintenance mode if both components of a certain object are residing on that host, then one of the components will be moved to another available host.
- B. The host will enter in maintenance mode and only data with no redundancy will remain accessible.
- C. The host will enter in maintenance mode and the data will remain accessible until the host exits maintenance mode.
- D. The system will prompt to add an additional host to the cluster in order to preserve the policy compliance.
Answer: C
NEW QUESTION 30
After a vSAN Witness Appliance network configuration, the vSAN administrator notices that vSAN traffic flows from vmk0 (Management Traffic) rather than vmk1 (vSAN Traffic).
Which step should be taken to resolve this issue?
- A. Configure vmk0 with IP address on the same range as that of vmk1.
- B. Tag the vmk0 for vSAN traffic.
- C. Tag the vmk1 for Witness traffic.
- D. Configure vmk1 with IP address on the different network than that of vmk0.
Answer: A
Explanation:
If both vmk0 and vmk1 are configured on the same range, a multihoming condition will occur and vSAN traffic will flow from vmk0, rather than vmk1.
NEW QUESTION 31
multiple data centers, the customer relayed the following information:
* Highest possible mitigation during a host failure in terms of capacity.
* A constraint in this year's IT budget.
What should the architect recommend?
- A. Enable performance services.
A minimum cluster of 6 vSAN nodes. - B. Enable IOInsight Metrics.
A minimum cluster of 2 vSAN ROBO nodes. - C. Enable host build reserve.
A minimum cluster of 4 vSAN nodes. - D. Enable operations reserve.
A minimum cluster of 3 vSAN nodes.
Answer: C
Explanation:
Performance services and IOinsight Metrics used for performance analysis. Operation reserve for internal VSAN operations. https://blogs.vmware.com/virtualblocks/2020/09/24/effective-capacity-management-with-vsan-7-update-1/
NEW QUESTION 32
During a design workshop for a stretched vSAN cluster, the requirement that some of the VMs be configured with no-mirror between sites was discussed.
Which three recommendations should the architect provide to address an event of a network partition between two sites? (Choose three.)
- A. One isolation address reachable only from the witness appliance in both sites
- B. Host isolation response must exclude the VMs required
- C. One of isolation addresses should reside in the site 1 data center
- D. The default gateway must be used as the only isolation address
- E. VMware vSphere DRS rules to force the VMs to run where the data resides
- F. One of isolation addresses should reside in the site 2 data center
Answer: B,E,F
NEW QUESTION 33
An administrator has been tasked to reboot a node in an encrypted vSAN cluster. The vSAN disk groups on that node become locked after rebooting the node.
Which step should be performed to exit the locked state?
- A. Manually replace the Host Encryption Key (HEK) of each affected host.
- B. Run /etc/init.d/vsanvpd restart to rescan the VASA providers.
- C. Replace the caching device in each affected disk group.
- D. Restore the communication with the KMS server, and re-establish the trust relationship.
Answer: D
NEW QUESTION 34
An architect is designing for a production vSAN cluster, and the customer introduced these requirements related to File Services: A minimum of 12 files shares. 30TB NFS capacity to mount workload VMs.
What should be the architect's recommendations?
- A. Point out the risks regarding putting the hosts in maintenance mode in terms of FSVM.
- B. Highlight the required number of nodes required for the vSAN cluster as a constraint.
- C. Raise concerns regarding support when running VMs on an NFS share as risk.
- D. Confirm on all of the requirements and move forward with the physical design.
Answer: B
NEW QUESTION 35
Upon checking the latency goal under vSAN performance diagnostics, the vSAN Administrator sees this message displayed:
The increase in latency in the vSAN stack might be beyond expected limits.
Which two root causes can be identified to help remediate the issue? (Choose two.)
- A. One or more disk groups are congested
- B. Large packet losses and retransmissions on the network layer
- C. Incorrect sizing of the disk groups capacity disks
- D. vSAN encryption is enabled
- E. vSAN VMKemel portgroup is configured with the "Route based on IP hash" teaming policy
Answer: A,B
NEW QUESTION 36
An administrator wants to enable encryption on an existing vSAN cluster that already contains virtual machines.
Which additional step should the administrator take to ensure no data is lost during the encryption process?
- A. Ensure that the vSAN Encryption is enabled by default on the existing cluster to encrypt old and new data.
- B. Select 'Erase disks before use' check box when enabling encryption on a vSAN cluster.
- C. Disable vSphere Distributed Resources Schedule (DRS) on the vSAN cluster.
- D. Make vCenter Server trust the KMS, either by trusting the KMS or by uploading a KMS certificate.
Answer: B
NEW QUESTION 37
A 4-node vSAN cluster is configured with an erasure coding storage policy. The Ensure Accessibility maintenance mode was selected. While performing the maintenance, a second node fails.
What will be the impact on the vSAN cluster?
- A. The VMs will be in a suspended state.
- B. The performance will be degraded.
- C. There will be no impact on performance.
- D. The VMs will no longer be accessible.
Answer: C
NEW QUESTION 38
A customer is planning to deploy a vSAN cluster to host their in-house distributed ERP system. The hardware specifications for their server nodes include:
* 2 x Intel Xeon CPU E5-2697 v3 @ 2.60GHz
* 1TB memory
Which boot device is supported for the vSAN ESXi nodes for this customer?
- A. ESXi Hosts must boot from a PMEM device.
- B. A 16GB single-level cell (SLC) SATADOM device must be used.
- C. A 16GB multiple-level cell (MLC) SATADOM device must be used.
- D. A 4GB USB or SD device must be used.
Answer: C
NEW QUESTION 39
An organization has two vSAN clusters managed by the same vCenter Server, each providing 100TB of storage. The first cluster runs at 75% of its storage capacity, and the second cluster runs at 50% of its storage capacity.
The company also has the following:
* An iSCSI array of 300TB. which runs at 76% of its capacity
* A NAS system of 200TB, which runs at 10% of its capacity
* A Fiber channel (FC) array of 300TB, which runs at 80% of its capacity The administrator is asked to add an additional 25TB of storage to the first cluster. The administrator 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?
- A. Create an HCI Mesh using the first cluster's datastore.
- B. Obtain additional free capacity from the existing FC storage.
- C. Obtain additional free capacity from the existing NAS storage.
- D. Create an HCI Mesh using the second cluster's datastore.
Answer: D
Explanation:
https://blogs.vmware.com/virtualblocks/2020/09/16/introducing-vmware-vsan-hci-mesh/
NEW QUESTION 40
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 vSAN policy protection level has changed from FTT=0 to FTT=1.
- B. The object repair timer value has been increased.
- C. The cluster DRS threshold has been set to Aggressive.
- D. The vSAN Resync throttling is enabled.
- E. There is a vSAN node failure.
Answer: A,D
NEW QUESTION 41
An administrator of "vsan-prod" cluster noticed the witness components of VMs are flagged as absent after a failed attempt to replace the vSAN Witness Host.
Which action should the administrator take to resolve this issue?
- A. Placing the vSAN Witness Host in Maintenance Mode and adding to the vSAN cluster
- B. Running the vSAN Skyline Health check to ensure there are vSAN Object Health errors and executing the Repair Object Immediately option
- C. Upgrading the vSAN on-disk format
- D. Using the RVC command: vsan.resync_dashboard ~/computers/vsan-prod
Answer: B
NEW QUESTION 42
for a customer who is planning to use vRealize Automation to provision 600 virtual machines into that cluster, with expected growth up to 1,000 VM. Each VM has a 40GB thick-provisioned disk.
Which flash disk size is required for the cache tier per ESXi node to meet all requirements?
- A. 600GB
- B. 400GB
- C. 700GB
- D. 800GB
Answer: D
NEW QUESTION 43
A customer has upgraded to vSAN 7, but there is still an existing legacy host which must be removed from the vSAN cluster.
Which three steps must an administrator take to successfully remove this host from the vSAN cluster? (Choose three.)
- A. Delete the disk group(s) on the legacy host
- B. Remove from vSAN cluster
- C. Disconnect from vCenter Server
- D. Place the host in maintenance mode with Full Data migration
- E. Place the host in maintenance mode with no data migration
- F. Place the host in maintenance mode with Ensure Accessibility
Answer: A,B,D
NEW QUESTION 44
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