5V0-21.19 Practice Questions Free – 50 Exam-Style Questions to Sharpen Your Skills
Are you preparing for the 5V0-21.19 certification exam? Kickstart your success with our 5V0-21.19 Practice Questions Free – a carefully selected set of 50 real exam-style questions to help you test your knowledge and identify areas for improvement.
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Below, you will find 50 free 5V0-21.19 practice questions designed to match the real exam in both difficulty and topic coverage. They’re ideal for self-assessment or final review. You can click on each Question to explore the details.
What is the purpose of slack space in vSAN?
A. Increases overall vSAN capacity
B. Allows for maintenance and failure operations
C. Stores vSphere HA heartbeats
D. Provides vSAN analytic data
What is a benefit of using vSphere Distributed Switches in a vSAN network?
A. Simplifies network abstraction
B. Enables network redundancy
C. Supports faster network adapters
D. Provides the ability to adjust the MTU
What is the maximum number of failures an object can tolerate with RAID-6?
A. 2
B. 3
C. 4
D. 6
Which storage policy action results in a component resync?
A. Enabling object checksum
B. Changing object space reservation to thick provisioning
C. Adding an IOPS Limit rule to a storage policy
D. Changing the failure tolerance method
An all-flash vSAN cluster contains four nodes. Which two storage policies can the cluster satisfy? (Choose two.)
A. FTT=2 (RAID-1 Mirroring)
B. FTT=2 (RAID-6 Erasure Coding)
C. FTT=1 (RAID-1 Mirroring)
D. FTT=1 (RAID-5 Erasure Coding)
E. FTT=3 (RAID-1 Mirroring)
Refer to the exhibit.A storage administrator is designing a vSAN stretched cluster with production workload running on a preferred site. A VM has been deployed on the preferred site. How does the VM read I/O?
A. 50 percent from preferred site and 50 percent from non-preferred site
B. 70 percent from preferred site and 30 percent from non-preferred site
C. 100 percent from preferred site
D. 100 percent from non-preferred site
vCenter Server is offline. What are two ways to check the health of a vSAN cluster? (Choose two.)
A. ESXi system logs on vSAN datastore
B. vSphere Host Client
C. esxcli
D. HCIBench
E. esxtop
Refer to the exhibit.Which networking requirement fulfills the connectivity between the Data Sites and the Witness node?
A. Extended Data Site network
B. vMotion network
C. Direct Connect network
D. Layer 3 network
Which resource provides information about vSAN compatibility with other VMware products?
A. VMware Product Interoperability Matrices
B. vSAN Sizing Guide
C. vSAN Ready Node Configurator
D. vSAN Compatibility Guide
Refer to the exhibit.A storage policy has been created for the 3-node vSAN cluster in the exhibit. A VM is deployed using this policy. What is the expected behavior?
A. VM will be deployed but remain non-compliant.
B. VM will be deployed and is reported compliant.
C. Force provisioning will be turned off automatically.
D. VM deployment fails.
How do vSAN fault domains relate to vSAN component placement?
A. Storage policies are inherited by vSAN fault domains.
B. vSAN objects only exist in a single vSAN fault domain.
C. The number of vSAN fault domains determines the number of components of an object.
D. Storage policies use vSAN fault domains for component placement.
Which VM file type resides in the VM home namespace object on a vSAN datastore?
A. .vswp
B. .vmsn
C. .vmx
D. .vmem
What is a supported use of the vSAN iSCSI target service?
A. To provision storage as a VM Raw Device Mapping
B. To provision storage for third-party hypervisors
C. To provision storage for an ESXi host
D. To provision storage for an Oracle RAC cluster
How do vSAN stretched clusters protect against entire site failures?
A. asynchronous data transfer
B. online witness replacement
C. virtual machine data copied from the witness site
D. redundant components placed at both sites
An administrator has discovered that space utilized by VMs does not decrease after deleting files and folders within the VMs. The administrator needs to be able to reclaim this space. Which action could the administrator perform to accomplish this task?
A. Enable Storage I/O Control.
B. Enable TRIM/UNMAP for the vSAN cluster.
C. Reboot the VM to recreate the swap file.
D. Assign a storage policy with thin provisioning.
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: 1 What is the maximum amount of raw vSAN storage capacity consumed by the virtual disk?
A. 100GB
B. 133GB
C. 200 GB
D. 255GB
When should an administrator enable Resynchronization Throttling?
A. when a host fails to exit maintenance mode
B. when vSAN host CPU utilization is above 80%
C. when directed by VMware Global Support Services
D. when vSAN datastore free space is less than 20%
The objects on a 4-node vSAN cluster are assigned a RAID-5 policy. A network outage occurs causing host one to lose connectivity with the rest of the cluster. Seventy-five minutes elapse. What is the health state of the objects?
A. Reduced availability with no rebuild
B. Reduced availability with no rebuild “” delay timer
C. Non-availability related incompliance [non-compliance]
D. Reduced availability
Which two factors should be considered when planning usable vSAN datastore capacity? (Choose two.)
A. Flash Read Cache Reservation percentage
B. Failure tolerance method
C. Stripe width
D. IOPS limit for object
E. Failures To Tolerate
A pre-vSAN 6.6 node is added to a vSAN cluster that was recently upgraded to vSAN 6.7. What is the expected behavior for this new node?
A. The node will communicate via unicast with all cluster members.
B. The node will fail to join the vSphere cluster.
C. The node will communicate via multicast with all cluster members.
D. The node will be network partitioned from the other cluster members.
A virtual machine is unable to access one of its virtual disks. Which vSAN Health check should an administrator view to troubleshoot the issue?
A. Data > vSAN Object Health
B. Cluster > vSAN CLOMD Liveness
C. Cluster > Disk Format Version
D. Limits > vSAN Component Limit
An administrator is configuring vSAN Encryption on an existing hybrid cluster. During the configuration, the administrator is unable to see any information for the Key Management Server (KMS) cluster in the dropdown menu. What is necessary for the KMS cluster options to populate?
A. vSAN encryption requires all-flash configurations.
B. vSAN encryption needs to be enabled during the creation of a new vSAN cluster.
C. The Key Management Server needs to be added to vCenter.
D. vSAN encryption is enabled at the VM level by storage policies.
The Resyncing Objects view in the vCenter UI reports that some objects are currently resyncing. Which two actions would cause the objects to resync? (Choose two).
A. A change to the storage policy is applied to the objects.
B. A VM snapshot is being deleted.
C. An ongoing vMotion operation is moving a VM between hosts in the cluster.
D. A host failure occurs in the cluster.
E. HA Virtual Machine Monitoring forced a VM to reboot.
A vSAN administrator has three available racks and six vSAN hosts. What can a vSAN administrator use to protect against a rack failure while maximizing resources?
A. explicit fault domain
B. vSAN stretched cluster
C. 2-node configuration
D. RAID-6/FTT=2
Which two VMware vSphere command-line interface utilities allow an administrator to project the impact of a host failure upon cluster resources? (Choose two.)
A. vdq
B. rvc
C. esxtop
D. esxcli
E. dcui
Which two group types are used to determine capacity breakdown in a vSAN datastore? (Choose two.)
A. network
B. CPU
C. data
D. memory
E. object
The data on a failed disk group is being rebuilt on other disk groups. Negative performance impact to VMs is being reported. What can be used to reduce the negative performance impact on the VMs?
A. resync throttling
B. maintenance mode
C. proactive rebalance
D. disk group data evacuation
Which vSAN Health Check category is viewed to confirm supported storage controller drivers are in use across all hosts in the cluster?
A. Capacity view
B. Device mapping
C. vSAN Build Recommendations
D. Hardware compatibility
The cluster level backend IOPS performance graph shows a higher-than-average number of IOPS. What is a possible reason for this?
A. Data resynchronizations
B. Low volume of vSAN vital memory pools
C. DRS invoking multiple vMotion migrations
D. Destaging congestion
An organization is no longer compliant with security requirements because a vSphere administrator disabled encryption on a vSAN cluster. Which vCenter Server role ensures only authorized vSphere administrators have access to encryption functionality?
A. Administrator
B. Read-only
C. No cryptography administrator
D. No access
Which type of encryption is used for the data encryption key on the vSAN datastore?
A. TLS 1.1
B. TLS 1.2
C. AES-XTS 256
D. AES-XTS 128
What could cause a vSAN stretched cluster to fail?
A. 5ms round-trip time (RTT) between data sites
B. blocked UDP ports on the firewall between data sites
C. Layer 3 communication from the data sites to the witness site
D. static routes between the witness site and data site
A host in a vSAN cluster has the following VMware Compatibility Guide approved disks: -3 solid state devices (SSD) used for cache -12 magnetic drivers (HDD) used for capacity Which two options are valid disk group configurations? (Choose two.)
A. 1 Disk Group with 2 SSD and 6 HDD
B. 1 Disk Group with 3 SSD and 12 HDD
C. 2 Disk Groups with 1 SSD and 6 HDD each
D. 3 Disk Groups with 1 SSD and 4 HDD each
E. 4 Disk Groups with 3 HDD each
What are two reasons why a vCenter UI can show a Noncompliant status for a VM storage object? (Choose two.)
A. The object is no longer fully compliant with the associated storage policy.
B. A storage hardware failure has caused permanent data loss for the object.
C. The VM storage compliance alarm has been triggered for that object.
D. The object is not associated with a guest VM.
E. The object is not associated with a storage policy.
Where are the performance metrics for Write Buffer Free percentage located?
A. host level vSAN performance metrics
B. vSAN capacity graphs
C. vSAN Health Check
D. cluster level vSAN performance metrics
vCenter reports a number of vSAN network alarms on a 2-node vSAN Direct Connect cluster. The test pings show irregularities in the ping results. Using vSAN Health service, which two checks should be used to identify the network root cause? (Choose two.)
A. Physical disk operation health
B. Network latency
C. vSAN extended configuration
D. vSAN disk balance
E. vSAN basic unicast connectivity
In a vSAN Stretched Cluster configuration, when is the non-preferred site determined to be isolated?
A. When the master node is unable to communicate with any non-preferred site nodes
B. When the nodes in the non-preferred site are unable to communicate with the vSAN Witness
C. When the backup node is unable to communicate with the preferred site
D. When the master node is unable to communicate with the backup node
A vSAN administrator is designing a new all-flash vSAN cluster. The cluster will host read intensive applications. Which factor should be included in the design to improve read performance?
A. Multiple disk groups
B. Large capacity disks
C. Large cache disks
D. Large controller cache
An ESXi host is being re-purposed from a 4-node cluster. The default policy is in use and storage utilization is low. Which maintenance mode should be used to avoid storage policy non-compliance?
A. Ensure accessibility
B. No data migration
C. Proactive rebalance
D. Full data migration
Refer to the exhibit.What is the minimum number of data nodes across all sites in a vSAN stretched cluster configuration with the above storage policy?
A. 4
B. 6
C. 8
D. 9
A group of vSAN components that reside on a failed drive are marked degraded. How long does vSAN wait by default, before rebuilding these components on other healthy drives in the cluster?
A. 0 minutes
B. 5 minutes
C. 30 minutes
D. 60 minutes
What is the maximum network latency round-trip time (RTT) requirement for vSAN stretched clusters from data site to data site?
A. 5ms
B. 10ms
C. 100ms
D. 200ms
A system administrator running a 6-node cluster is trying to enable the deduplication and compression feature. During the process of switching it on, the General vSAN error occurs. What is the possible reason the General vSAN error occurred?
A. Force provisioning setting is required.
B. The cluster is a hybrid environment.
C. Storage policies require FTT=1.
D. The cluster is an all-flash environment.
In a 10-node hybrid vSAN cluster, each node has seven 4TB magnetic disks and one 2TB SSD. What is the raw storage capacity of the vSAN datastore?
A. 140TB
B. 150TB
C. 280 TB
D. 300 TB
What is a mandatory requirement for a vSAN stretched cluster?
A. Two witness hosts protected by vSphere Fault Tolerance
B. Minimum of two guaranteed lines of 10Gbps bandwidth
C. vSphere Replication configured between the data sites
D. Latency between data sites must be less than or equal to 5ms
Which two features are available with the Cluster Quickstart wizard? (Choose two.)
A. Deploy a vSAN Witness appliance
B. Update storage controller drivers
C. Check for errors and inconsistencies
D. Setup lockdown mode for vSAN hosts
E. Perform pre-check evaluation for data migration
Refer to the exhibit.![]()
A solution architect is setting up a highly resilient vSAN hybrid cluster. Why is the cache incorrectly sized in this configuration?
A. Cache disk needs to meet vSAN Compatibility Guide
B. Cache-to-capacity ratio needs to be sized lower
C. Cache-to-capacity ratio needs to be sized higher
D. Number of cache disks in disk group is insufficient.
End-users are complaining that an application running on an all-flash vSAN datastore is not performing well. Which performance chart should an administrator view to troubleshoot this issue?
A. Recovery Write IOPS
B. Resync Latency
C. Read Cache Read IOPS
D. Write Buffer Free Percentage
Which solution is used to apply upgrades to a vSAN cluster?
A. VMware vRealize Operations Manager
B. VMware Update Manager
C. VMware vRealize Automation
D. VMware Lifecycle Manager
A single disk in a vSAN disk group suffers from an unrecoverable hardware failure. This causes vSAN to set the health status for all disks in the group to Permanent disk loss, indicating disk failure. Assuming all other disks have not suffered from a hardware failure, why would vSAN mark all disks in the group as failed?
A. The vSAN disk management service has failed.
B. The affected vSphere host is offline.
C. The key management server is offline.
D. Deduplication and compression are enabled on the vSAN cluster.
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