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VMware 5V0-22.23 certification exam is designed for professionals seeking to validate their ability to implement and manage VMware vSAN solutions. VMware vSAN Specialist (v2) certification exam is the second version of the VMware vSAN Specialist certification, and it focuses on the latest version of the VMware vSAN software.
VMware 5V0-22.23 exam is designed to test the candidate's knowledge of vSAN architecture, deployment models, and configuration options. 5V0-22.23 exam covers topics such as vSAN design and sizing, vSAN installation and configuration, vSAN data management and storage policies, and vSAN monitoring and troubleshooting. 5V0-22.23 exam consists of 60 multiple-choice questions, and candidates are required to score at least 300 out of 500 to pass the exam.
NEW QUESTION # 37
A vSAN administrator is investigating vSAN performance related problems but cannot find any vSAN performance statistics on the cluster summary page.
Why is this situation occurring?
- A. vSAN performance service is not enabled.
- B. The administrator has read-only permissions on the cluster level.
- C. The vRealize Operations Manager is not integrated with vSAN cluster.
- D. vSAN performance statistics are only available via CLI.
Answer: A
Explanation:
Explanation
The reason why the vSAN administrator cannot find any vSAN performance statistics on the cluster summary page is that the vSAN performance service is not enabled. The vSAN performance service is a feature that collects and analyzes performance metrics and displays them in graphical charts in vCenter. The vSAN performance service must be turned on manually for each vSAN cluster, as it is not enabled by default. The other options are not correct. The integration of vRealize Operations Manager with the vSAN cluster is not required to view vSAN performance statistics, as they are available in vCenter. The administrator's permissions on the cluster level do not affect the visibility of vSAN performance statistics, as they are accessible to any user who can view the cluster. vSAN performance statistics are not only available via CLI, as they can also be viewed in vCenter using the vSAN performance service. References: About the vSAN Performance Service; Enable or Disable the Performance Service
NEW QUESTION # 38
An administrator wishes to prevent vCenter notifications of vSAN Health status during a scheduled maintenance window.
Which action can be taken to achieve this goal?
- A. Disable the performance service
- B. Disable SNMP service
- C. Disable the alarm from the HTML client
- D. Run performance diagnostics prior to scheduled maintenance
Answer: C
Explanation:
Explanation
To prevent vCenter notifications of vSAN Health status during a scheduled maintenance window, the administrator can disable the alarm from the HTML client. This will suppress the alerts for a specified duration or until the alarm is re-enabled. Disabling the performance service, running performance diagnostics, or disabling SNMP service will not affect the vSAN Health status notifications. References: [VMware vSAN Specialist v2 EXAM 5V0-22.23], page 25
NEW QUESTION # 39
When adding a disk to a host that was previously used in a decommissioned vSAN cluster the intended disk does not show among the available devices in disk management.
Which action should be taken prior to assigning the disk on disk management?
- A. Create a VMFS partition
- B. Create a 1GB metadata partition
- C. Format the existing partition
- D. Delete all device partitions
Answer: D
Explanation:
Explanation
When adding a disk to a host that was previously used in a decommissioned vSAN cluster, the disk may still have some vSAN metadata partitions that prevent it from being recognized by disk management. To resolve this issue, the disk partitions need to be deleted using either ESXCLI or partedUtil commands. This will erase all data on the disk and make it available for use in disk management. References: VMware vSAN Specialist v2 EXAM 5V0-22.23, page 21
NEW QUESTION # 40
A vSAN administrator notices that the VMware Skyline Health: Network Latency Check reports indicate that three hosts are noncompliant.
Which action should the vSAN administrator take?
- A. Place the non-compliant hosts into an isolated network partition
- B. Check VMKNICs, uplinks, physical switches, and associated settings
- C. Immediately reboot the non-compliant hosts
- D. Rerun the VMware Skyline Health: vSAN Cluster Partition report
Answer: B
Explanation:
Explanation
The correct answer is B, check VMKNICs, uplinks, physical switches, and associated settings. This is because the VMware Skyline Health: Network Latency Check reports the network latency between vSAN hosts and displays the network latency in real time. Failure indicates that the network latency is above the normal threshold, which can affect the performance and availability of vSAN. The network latency can be caused by various factors, such as misconfiguration, congestion, or errors in the network components. The vSAN administrator should check the VMKNICs, uplinks, physical switches, and associated settings for any issues and resolve them accordingly. The vSAN administrator can also use tools such as vmkping or esxtop to test the network connectivity and performance between hosts. The other options are incorrect for the following reasons:
A, immediately reboot the non-compliant hosts, is incorrect because rebooting the non-compliant hosts is not a recommended action and can cause more disruption and data loss than resolving the network issue. Rebooting the hosts will also trigger a resynchronization of data across the cluster, which can affect the performance and availability of vSAN.
C, rerun the VMware Skyline Health: vSAN Cluster Partition report, is incorrect because rerunning the VMware Skyline Health: vSAN Cluster Partition report will not help to resolve the network latency issue. The vSAN Cluster Partition report checks if there are any network partitions in the cluster that prevent communication between hosts. The network partition can be caused by network latency, but it is not the same as network latency. The vSAN administrator should first fix the network latency issue before checking for any network partitions.
D, place the non-compliant hosts into an isolated network partition, is incorrect because placing the non-compliant hosts into an isolated network partition will not help to resolve the network latency issue.
It will also cause more problemsfor vSAN, such as data inconsistency, reduced redundancy, and degraded performance. The vSAN administrator should avoid creating any network partitions in the cluster and ensure that all hosts can communicate with each other. References:
VMware vSAN Specialist v2 Exam Preparation Guide, page 9
Network Health - Network Latency Check (2149511)
NEW QUESTION # 41
Refer to the exhibit.
An administrator uses SSH to log into a vSAN ESA host and runs theesxcli vsan debug object overview command.
The administrator notices the Healthy Components column, the last column, is reporting some components are not in a fully healthy state.
What could cause this behavior?
- A. One host is in maintenance mode with ensure accessibility.
- B. The applied Storage policy has been updated.
- C. New physical disks have been claimed and a rebalance operation is underway.
- D. New VMDKs have been added to multiple VMs, but the storage policy has not finished applying.
Answer: A
Explanation:
Explanation
The most likely cause for some components to be not in a fully healthy state is that one host is in maintenance mode with the ensure accessibility option. This option creates temporary durability components on other hosts to maintain the required number of failures to tolerate (FTT) until the original components are restored or rebuilt. These durability components are not considered fully healthy because they do not have full redundancy and might not be compliant with the storage policy. The other options do not explain why some components are not fully healthy, as they do not affect the FTT or the compliance state of the objects.
References: Durability Components; esxcli vsan debug object overview
NEW QUESTION # 42
An administrator has 24 physical servers that need to be configured with vSAN. The administrator needs to ensure that a single rack failure is not going to affect the data availability. The number of racks used should be minimized.
What has to be done and configured to achieve this goal?
- A. Distribute servers across at least two different racks and configure two fault domains
- B. Distribute servers across at least three different racks and configure three fault domains
- C. Enable deduplication and compression
- D. Configure disk groups with a minimum of four capacity disks in each server and distribute them across four racks
Answer: B
Explanation:
Explanation
To ensure that a single rack failure is not going to affect the data availability, while minimizing the number of racks used, the administrator has to do the following:
Distribute servers across at least three different racks. This is because vSAN supports up to three fault domains per cluster, which can be used to tolerate one or two failures. If only two racks are used, then only one failure can be tolerated4 Configure three fault domains. A fault domain is a logical grouping of hosts that share a common failure point, such as a rack or a power supply. By configuring fault domains, vSAN can place replicas of an object across different fault domains, so that a failure within one fault domain does not result in data loss orunavailability4 References: 4: VMware vSAN Specialist v2 Exam Preparation Guide, page 13
NEW QUESTION # 43
A customer has deployed a new vSAN cluster with the following configuration:
5 x vSAN ReadyNodes
All Flash
12 TB Raw Storage
vSAN 8 is deployed with ESA.
New VMs are configured with a RAID-5 VM policy.
Which statement is accurate?
- A. vSAN will use a 2+1 RAID-5 data placement scheme with parity will be used
- B. vSAN will spread the components across all of the disk groups
- C. RAID 5 will provide an FTT=2 level of protection in this case
- D. vSAN will use a 4+1 RAID-5 data placement scheme with parity will be used
Answer: D
Explanation:
Explanation
vSAN will use a 4+1 RAID-5 data placement scheme with parity will be used is the correct answer because vSAN 8 ESA uses adaptive RAID-5 erasure coding that depends on the number of hosts in the cluster. If the cluster has 6 or more hosts, vSAN will use a 4+1 RAID-5 scheme, where the data is written as a stripe of 4 data bits and 1 parity bit across 5 hosts. This provides a failure tolerance of 1 (FTT=1) and a space efficiency of 1.25x. If the cluster has less than 6 hosts (3 to 5), vSAN will use a 2+1 RAID-5 scheme, where the data is written as a stripe of 2 data bits and 1 parity bit across 3 hosts. This also provides a failure tolerance of 1 (FTT=1) but a space efficiency of 1.5x. In this case, the cluster has 5 hosts, so vSAN will use the 4+1 RAID-5 scheme.
The other options are incorrect for the following reasons:
A, vSAN will use a 2+1 RAID-5 data placement scheme with parity will be used, is incorrect because vSAN will only use this scheme if the cluster has less than 6 hosts but more than 2 hosts. In this case, the cluster has 5 hosts, so vSAN will use the 4+1 RAID-5 scheme.
B, RAID 5 will provide an FTT=2 level of protection in this case, is incorrect because RAID 5 can only provide an FTT=1 level of protection, regardless of the number of hosts or the data placement scheme.
To achieve an FTT=2 level of protection, vSAN would need to use RAID 6 erasure coding, which requires at least 6 hosts in the cluster.
D, vSAN will spread the components across all of the disk groups, is incorrect because vSAN will not necessarily spread the components across all of the disk groups in the cluster. vSAN will only spread the components across as many disk groups as needed to meet the storage policy requirements and to balance the load and capacity. In this case, vSAN will only need to spread the components across 5 disk groups for each stripe of RAID-5 data. References:
VMware vSAN Specialist v2 Exam Preparation Guide, page 11
Adaptive RAID-5 Erasure Coding with the Express Storage Architecture in vSAN 8
NEW QUESTION # 44
A vSAN administrator has two identical VMware vSAN clusters, one for staging workloads and another for production workloads. Due to an unforeseen capacity requirement, the vSAN administrator is tasked with merging the staging vSAN cluster into the production.
Which three actions should the vSAN administrator perform on the staging cluster prior to moving the vSAN nodes to the production cluster? (Choose three.)
- A. Remove all capacity drives
- B. Mark the disks for partial reservation
- C. Delete all Disk Groups
- D. Disable vSAN Services
- E. Delete all partitions from the capacity disks
- F. Enable File Services
Answer: C,D,E
Explanation:
Explanation
The three actions that the vSAN administrator should perform on the staging cluster prior to moving the vSAN nodes to the production cluster are:
Disable vSAN Services: This will stop any vSAN-related operations on the staging cluster, such as resynchronization, rebalancing, or repair. This will also prevent any new virtual machines from being created or migrated to the staging cluster.
Delete all Disk Groups: This will remove all disks from the vSAN cluster and erase all data on them.
This will also free up the disks for use in the production cluster.
Delete all partitions from the capacity disks: This will ensure that there are no remnants of any previous vSAN configuration on the disks. This will also avoid any potential conflicts or errors when adding the disks to the production cluster.
Enabling File Services, marking the disks for partial reservation, and removing all capacity drives are not necessary or recommended actions for this scenario. Enabling File Services would add an unnecessary layer of complexity and overhead to the staging cluster. Marking the disks for partial reservation would reduce the available capacity for vSAN and potentially cause performance issues. Removing all capacity drives would leave only cache disks in the staging cluster, which would not be compatible with vSAN. References:
VMware vSAN Specialist v2 Exam Preparation Guide, page 10
NEW QUESTION # 45
What are two prerequisites for using the TRIM and UNMAP capability of vSAN? (Choose two.)
- A. Change the Object Space Reservation to 100.
- B. Deduplication and compression are enabled.
- C. The VM quest operating system supports ATA TRIM or SCSI UNMAP capability
- D. The vSAN cluster is an all-flash architecture.
- E. TRIM and UNMAP is enabled.
Answer: D,E
Explanation:
Explanation
The two prerequisites for using the TRIM and UNMAP capability of vSAN are:
B: The vSAN cluster is an all-flash architecture. TRIM and UNMAP are only supported on all-flash vSAN clusters, as they can reclaim space from flash devices that use thin provisioning. TRIM and UNMAP are not supported on hybrid vSAN clusters, as they cannot reclaim space from magnetic disks that use thick provisioning1.
D: TRIM and UNMAP is enabled. TRIM and UNMAP are disabled by default in vSAN, as they might have a performance impact on some workloads. To enable TRIM and UNMAP on a vSAN cluster, the administrator must use the following RVC command: vsan.unmap_support -enable2. After enabling TRIM and UNMAP, the administrator must power off and then power on all VMs that use the vSAN datastore.
NEW QUESTION # 46
vSAN requires that the virtual machines deployed on the vSAN datastores are assigned at least one storage policy, but the administrator did not explicitly assign a storage policy when provisioning the new VM.
What is the result of this situation?
- A. The vSphere Web Client will choose the last vSAN Storage Policy used.
- B. The VM provisioning will fail.
- C. The VM objects will be protected based on the vSAN Default Storage Policy configurations.
- D. No data protection will be applied to the VM objects.
Answer: C
Explanation:
Explanation
If the administrator did not explicitly assign a storage policy when provisioning a new VM on a vSAN datastore, the result is that the VM objects will be protected based on the vSAN Default Storage Policy configurations. The vSAN Default Storage Policy is assigned to all VM objects if no other vSAN policy is assigned when provisioning a VM. The default policy contains vSAN rule sets and a set of basic storage capabilities, such as Failures to tolerate set to 1, Number of disk stripes per object set to 1, and Thin provisioning. The other options are not correct. The VM provisioning will not fail, as vSAN requires that every VM has at least one storage policy. The vSphere Web Client will not choose the last vSAN Storage Policy used, as it will always apply the default policy if no other policy is selected. No data protection will not be applied to the VM objects, as they will have at least one replica based on the default policy.
References: About the vSAN Default Storage Policy; Using vSAN Policies
NEW QUESTION # 47
Which two actions are recommended when adding a host to a vSAN cluster? (Choose two.)
- A. Disable vSAN performance service
- B. Disable vSphere High Availability (HA)
- C. Disable vSphere Cluster Services
- D. Create uniformly-configured hosts
- E. Reference the VMware Compatibility Guide
Answer: D,E
Explanation:
Explanation
When adding a host to a vSAN cluster, it is recommended to create uniformly-configured hosts and reference the VMware Compatibility Guide. These actions will ensure that the host meets the hardware and software requirements for vSAN, and that it can work seamlessly with the existing hosts in the cluster.
Uniformly-configured hosts have the same number and type of disk groups, cache devices, capacity devices, network adapters, and drivers. The VMware Compatibility Guide provides a list of certified components and firmware versions that are compatible with vSAN. The other options are not recommended, as they can cause disruption or degradation of the vSAN cluster services. Disabling vSAN performance service, vSphere Cluster Services, or vSphere High Availability (HA) can affect the monitoring, availability, and load balancing of the cluster.
NEW QUESTION # 48
A vSAN administrator is noticing that the objects resynchronizing in the cluster are taking longer than expected and wants to view the resynchronizing metrics.
Which performance category should the vSAN administrator open?
- A. Disks
- B. Host Network
- C. Backend
- D. Resvnc Latency
Answer: C
Explanation:
Explanation
To view the resynchronizing metrics, the vSAN administrator should open the Backend performance category.
This category shows the performance of vSAN data components, such as read/write latency, IOPS, throughput, congestion, and resync traffic. The other categories are not relevant for this task. Disks shows the performance of physical disks in the cluster, Host Network shows the network performance of vSAN hosts, and Resvnc Latency shows the latency of resynchronization operations. References: 1, page 23; 3, section 6.4
NEW QUESTION # 49
A six-node vSAN ESA cluster contains multiple virtual machines, and a vSAN storage policy with the rule
"Failures to tolerate" set to "1 failure - RAID-5 (Erasure Coding)" is assigned. A vSAN administrator has changed the rule in the assigned policy to "2 failures - RAID-6 (Erasure Coding)".
What is the result of this change?
- A. The changes are queued for 60 minutes.
- B. No changes occur until the policy is reapplied.
- C. The policy change is rejected immediately.
- D. The updated policy is serially applied to the virtual machines.
Answer: D
Explanation:
Explanation
The updated policy is serially applied to the virtual machines is the correct answer because changing the rule in the assigned policy will trigger a policy compliance check and a resynchronization of the affected objects.
The policy change will not be rejected, queued, or ignored, as it is a valid and supported operation. However, the policy change will not be applied in parallel, as that would cause too much network and disk traffic.
Instead, the policy change will be applied one virtual machine at a time, starting with the most critical ones, until all virtual machines are compliant with the new policy. References:
VMware vSAN Specialist v2 Exam Preparation Guide, page 9
NEW QUESTION # 50
A vSAN administrator has a cluster configured with a Storage Pool that was moved to a new physical DC.
Upon checking on the vSAN cluster health status, one of the ESXi hosts has two storage devices in a degraded state and must be replaced.
What must the vSAN administrator do to restore the health of the vSAN cluster with minimum risk?
- A. Remove the entire storage pool, install the new devices, re-create the storage pool
- B. Remove the host from the cluster, replace the faulty disks, re-add the host to the cluster
- C. Remove the host from ySAN configuration, replace the faulty disks, re-create the storage pool
- D. Remove the devices from the storage pool, replace the storage devices, claim the new devices in vSAN
Answer: D
Explanation:
Explanation
To restore the health of the vSAN cluster with minimum risk, the vSAN administrator must remove the devices from the storage pool, replace the storage devices, and claim the new devices in vSAN. This is because removing and replacing devices in a storage pool does not affect the availability or performance of the objects stored in that pool. The storage pool automatically rebalances the objects across the remaining devices in the pool when a device is removed, and distributes the objects across the new devices when they are added. This process is faster and safer than removing and re-adding a host to the cluster, which requires resynchronization of all objects on that host4 References: 4: VMware vSphere Storage Guide, page 133 :
VMware vSAN Design and Sizing Guide, page 38
NEW QUESTION # 51
An existing vSAN OSA cluster has this specification:
Four ESXi hosts with all flash configuration
Each with two disk groups
Each disk group with one cache device and four capacity devices
There are five more device slots available per host
The CTO would like to provision new applications, and these will need more capacity and performance.
Which two methods should be used by the vSAN administrator to meet this goal with the least amount of impact? (Choose two.)
- A. Adding an ESXi host with identical device configuration
- B. Replacing all cache devices with a larger device
- C. Adding faster cache devices
- D. Replacing all capacity devices with a similar larger device
- E. Adding one more disk group per host with the same configuration
Answer: A,E
Explanation:
Explanation
Adding one more disk group per host with the same configuration and adding an ESXi host with identical device configuration are the two methods that the vSAN administrator should use to meet the goal of increasing capacity and performance with the least amount of impact. Adding one more disk group per host will increase the raw storage capacity by 20% and also improve the performance by distributing the I/O load across more cache devices and disk groups. Adding an ESXi host with identical device configuration will increase the raw storage capacity by 25% and also improve the performance by adding more compute and network resources to the cluster. Both methods can be done without disrupting any ongoing operations or requiring any data evacuation or resynchronization.
The other options are incorrect for the following reasons:
Replacing all capacity devices with a similar larger device is incorrect because it will not increase the performance and will have a significant impact on the cluster. Replacing the capacity devices requires deleting the disk groups, which will erase all data on them and trigger a resynchronization of the affected objects. This can be disruptive and time-consuming, and also introduce additional network and disk traffic.
Replacing all cache devices with a larger device is incorrect because it will not increase the capacity and will have a significant impact on the cluster. Replacing the cache devices also requires deleting the disk groups, which will have the same drawbacks as replacing the capacity devices. Moreover, increasing the cache size may not improve the performance significantly, as vSAN OSA uses afixed cache ratio of
70% for write buffer and 30% for read cache, regardless of the cache device size.
Adding faster cache devices is incorrect because it will not increase the capacity and will have a significant impact on the cluster. Adding faster cache devices also requires deleting the disk groups, which will have the same drawbacks as replacing the cache devices. Furthermore, adding faster cache devices may not improve the performance significantly, as vSAN OSA uses a fixed cache ratio of 70% for write buffer and 30% for read cache, regardless of the cache device speed. References:
VMware vSAN Specialist v2 Exam Preparation Guide, page 10
Expanding a vSAN Cluster
NEW QUESTION # 52
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. Vendor Add-On
- B. Firmware and Drivers Add-On
- C. ESXi Version
- D. Component
Answer: C
Explanation:
Explanation
To create an image using vSphere Lifecycle Manager, the mandatory requirement is to specify the ESXi version. An image is a collection of software components that define the desired state of hosts in a cluster. An image must include at least one ESXi version component, which determines the base hypervisor software for the hosts. Optionally, an image can also include other components, such as vendor add-ons, firmware and drivers add-ons, or custom components. The other options are not correct. A component is a generic term for any software element that can be included in an image, but it is not a specific type of component. A firmwareand drivers add-on is an optional component that provides firmware and drivers updates for hardware devices on the hosts. A vendor add-on is an optional component that provides vendor-specific software for the hosts. References: About Images; Create an Image
NEW QUESTION # 53
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