5V0-21.21 Dumps To Pass VMware Certified Master Specialist Exam in One Day (Updated 112 Questions)
5V0-21.21 Exam Brain Dumps - Study Notes and Theory
VMware 5V0-21.21 exam is designed to test the knowledge and skills required to become a VMware HCI (Hyper-Converged Infrastructure) Master Specialist. VMware HCI Master Specialist certification is intended for professionals who have experience in VMware vSphere and vSAN technologies and have a deep understanding of HCI architecture, design principles, and implementation.
The VMware 5V0-21.21 exam is divided into two parts. The first part consists of 60 multiple-choice questions that test the candidate's knowledge of VMware vSAN™ architecture, features, and functionality. The second part is a hands-on lab where the candidate is required to complete a series of tasks related to deploying, configuring, and managing a VMware vSAN™ environment.
NEW QUESTION # 43
An architect collected the below technical requirements from the customer during a vSAN cluster design workshop:
* Maximize the vSAN datastore usable capacity.
* Deduplication and compression are required to help utilize available capacity efficiency.
* Ensure the highest level of resiliency wherever possible.
Which disk group configuration should the architect include in the design?
- A. Two disk groups per host, each with one cache tier flash disk and six capacity tier magnetic disks.
- B. Two disk groups per host, each with one cache tier flash disk and four capacity tier flash disks.
- C. One disk group per host, with one cache tier flash disk and four capacity tier flash disks.
- D. Two disk groups per host, each with one cache tier flash disk and six capacity tier flash disks.
Answer: A
NEW QUESTION # 44
Due to the success of the recently deployed developer-only private cloud solution, a company has a new requirement to increase the cache size and overall capacity of the solution to support an unexpected change in the workload profile and increase the overall performance of the solution.
The current vSAN cluster has the following configuration:
- 6 vSAN Nodes with 2 CPUs (20 cores), 512 GB RAM
- 2 Disk Groups per vSAN node (2 x 400 GB, 6 x 3.84 TB)
- De-duplication and Compression is enabled.
- Encryption is enabled.
- vSAN Total Capacity is: ~112 TB RAID6/FTT=2 (80% utilized)
Following the administrator's recommendations, the service owner agrees to purchase 12 x 800 GB SSDs and 36 x 3.84 TB SSDs to upgrade the vSAN but would like to ensure that during the upgrade the availability of the workloads are not affected.
Which three actions should the administrator take to meet this requirement? (Choose three.)
- A. Remove the old Disk Groups, and create a new Disk Group using all remaining cache and capacity devices.
- B. Create one new Disk Group (with 1 x 800 GB, 3 x 3.84 TB per node) on the vSAN Cluster using the new storage devices.
- C. Remove the old Disk Groups, and claim the original capacity drives equally across the remaining Disk Groups.
- D. Create two new Disk Groups (each with 1 x 800 GB, 3 x 3.84 TB per node) in the vSAN Cluster using the new storage devices.
- E. Put each vSAN node into maintenance mode using the Ensure Accessibility option.
- F. Migrate all existing workloads to the new Disk Group(s).
Answer: B,D,E
NEW QUESTION # 45
An administrator is tasked with migrating a VMware Horizon View environment that is currently running on an NFS Datastore to VMware vSAN.
Which Horizon configuration option will not be available when configuring vSAN in Horizon View?
- A. Storage Profiles
- B. Instant Clones
- C. Linked Clones
- D. Storage Tiers
Answer: D
Explanation:
https://www.vmware.com/content/dam/digitalmarketing/vmware/en/pdf/products/vsan/vmware- horizon-7-on-vmware-vsan-best-practices.pdf
NEW QUESTION # 46
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 the data will remain accessible until the host exits maintenance mode.
- C. The system will prompt to add an additional host to the cluster in order to preserve the policy compliance.
- D. The host will enter in maintenance mode and only data with no redundancy will remain accessible.
Answer: C
Explanation:
Let's take a look at a few unique scenarios with regard to maintenance mode. First, let's see what will happen if you have 6 hosts within your cluster, you have applied a policy containing FTT=2/RAID-6, and you want to place a host in maintenance mode using the 'Full data migration' option. This means all the data residing on the host will be evacuated to another host within the cluster. With this type of data configuration, the system will prompt you to add an additional host to the cluster in order to preserve the policy compliance. The policy will always require there must be two failures that can be tolerated, even during cluster reduction due to maintenance mode removing a host. Note that a minimum of six hosts is required to support a storage policy with RAID-6(FTT=2) erasure coding.
https://blogs.vmware.com/virtualblocks/2020/02/06/what-happens-vsan-host-in-maintenance- mode/
NEW QUESTION # 47
An architect needs to automate an infrastructure that supports VMware Horizon as well as VMware Tanzu.
Which solution mandates the use of VMware vSAN?
- A. VMware Cloud Foundation
- B. VMware Tanzu
- C. VMware vRealize Automation
- D. VMware Horizon
Answer: A
Explanation:
https://docs.vmware.com/en/VMware-Cloud-Foundation/3.10/vcf-deploy/GUID-E493608B-D4B6-
4C98-96CA-5D2D723ACE55.html
NEW QUESTION # 48
An administrator has an absent capacity disk.
Which action, if any, should the administrator take to resolve the problem?
- A. Verify the host is not isolated.
- B. Wait, and vSAN will rebuild it.
- C. Replace the faulty host.
- D. Replace the faulty disk.
Answer: B
NEW QUESTION # 49
An administrator has been tasked with enabling encryption for existing virtual machines on a vSAN cluster.
Which three prerequisites must be satisfied before completing the task? (Choose three.)
- A. Verify if a role with privilege "Cryptographic operations.Encrypt new" is assigned
- B. Enable Data-In-Transit encryption first
- C. Establish a trusted connection with the KMS
- D. Enable that the virtual machines are powered on
- E. Create an encryption storage policy
- F. Verify if a role with privilege "Cryptographic operations.Migrate" is assigned
Answer: A,C,D
NEW QUESTION # 50
An administrator is tasked with preparing for a Cross vCenter migration in a stretched vSAN cluster where the virtual machines migration will be orchestrated via VMware Site Recovery Manager. Which action should the administrator take so the migration is successful?
- A. Disable vSAN Deduplication and Compression
- B. Make sure that Witness traffic is on the management NIC.
- C. Enable vCenter Single Sign-On Enhanced Linked Mode
- D. Reconfigure vCenter HA Admission control
Answer: C
Explanation:
Stretched storage is supported only on vCenter Single Sign-On Enhanced Linked Mode environments. Planned migration with Cross vCenter Server vMotion fails if the sites are not Enhanced Linked Mode. Stretched storage is required when using Cross vCenter Server vMotion during a planned migration.
https://docs.vmware.com/en/Site-Recovery-Manager/8.5/com.vmware.srm.admin.doc/GUID- B64096E8-F49A-4BF6-92CE-05FBA972F3C0.html
NEW QUESTION # 51
While a vSAN administrator is deploying new VMs on a vSAN stretched cluster, the secondary site fails. The vSAN displays the following warning while trying to deploy those VMs:
'Datastore does not match current VM policy'.
Which step should be performed to provision the new VMs?
- A. Provision VMs with a vSAN Default Storage Policy.
- B. Provision VMs with 'Force Provisioning' rule enabled.
- C. Provision VMs with the 'Number of disk stripes per object' set to 2.
- D. Provision VMs with the 'Object space reservation' set to 50% reservation.
Answer: B
NEW QUESTION # 52
An administrator is tasked with setting up HCI mesh between the following two vSAN clusters:
- Cluster 1 uses FTT=1 via mirroring
- Cluster 2 uses FTT=1 via Erasure Coding
The administrator configures Cluster 2 as the cluster that is contributing storage to HCI mesh.
Which FTT applies to objects created on Cluster 1 when using the HCI Mesh shared storage?
- A. HCI mesh always uses FTT = 1.
- B. HCI mesh always uses FTT = 0.
- C. HCI Mesh always uses the source vSAN cluster to set its policy.
- D. HCI Mesh always uses the default vSAN policy from the target site.
Answer: D
NEW QUESTION # 53
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. MacLearning
- B. Promiscuous Mode
- C. Jumbo Frames
- D. Forged Transmits
- E. DVFiltering
Answer: A,D
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 # 54
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. A 16GB single-level cell (SLC) SATADOM device must be used.
- B. A 16GB multiple-level cell (MLC) SATADOM device must be used.
- C. ESXi Hosts must boot from a PMEM device.
- D. A 4GB USB or SD device must be used.
Answer: A
Explanation:
If the memory of the ESXi host has 512 GB of memory or less, you can boot the host from a USB, SD, or SATADOM device.
If the memory of the ESXi host has more than 512 GB, consider the following guidelines.
You can boot the host from a SATADOM or disk device with a size of at least 16 GB. When you use a SATADOM device, use a single-level cell (SLC) device.
https://docs.vmware.com/en/VMware-vSphere/7.0/com.vmware.vsphere.vsan-
planning.doc/GUID-B09CE19D-A3F6-408C-AE69-35F65CBE66E1.html
NEW QUESTION # 55
An administrator is setting up a clustered application and is concerned about the additional space requirements stemming from traditional vSAN storage and Failure to Tolerate (FTT) storage policies. The administrator would like to leverage a vSAN service for this clustered application that would not consume more storage than is actually required.
Which vSAN service should be used to meet this goal?
- A. VMware vSAN Direct
- B. vSAN iSCSI
- C. vSAN Compression Only
- D. vSAN File services
Answer: A
NEW QUESTION # 56
An administrator is tasked to utilize vSAN Direct for the deployment of Kubernetes workloads and needs to make the vSAN Datastores visible as a compatible storage.
Which setting should be enabled to make this possible?
- A. Kubernetes service in the vSAN configuration
- B. Tag based placement rules
- C. Resource pools on the vSAN cluster
- D. Deduplication and Compression
Answer: A
NEW QUESTION # 57
Administrator deployed VMs with vSAN Stretched Cluster aware storage policy.
Which percentage of read locality will be maintained?
- A. 100%
- B. 25%
- C. 75%
- D. 50%
Answer: A
NEW QUESTION # 58
An organization has two vSAN clusters managed by the same vCenter server, each providing
100 TB of storage. The first cluster runs at 75% of its storage capacity, and the second cluster runs at 40% of its storage capacity.
The company also has the following:
- an iSCSI array of 300 TB, which runs at 76% of its capacity
- a NAS system of 200 TB, which runs at 10% of its capacity
- a Fiber channel (FC) array of 300 TB, which runs at 80% of its capacity The administrator is asked to add an additional 25 TB of storage to the first cluster but 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. Use the iSCSI array to obtain additional free capacity.
- B. Use the FC array to obtain additional free capacity.
- C. Use the NAS to obtain additional free capacity.
- D. Use an HCI Mesh to obtain additional capacity.
Answer: D
NEW QUESTION # 59
An administrator wants to check the performance metrics for the workloads and their virtual disks that are running on a vSAN cluster, but no statistical charts are displayed in the vSphere client.
Why is this behavior being seen?
- A. vSAN proactive tests haven't been run yet.
- B. vSAN network diagnostic mode is not enabled.
- C. vSAN performance service is turned off.
- D. vSAN performance verbose mode is not enabled.
Answer: C
Explanation:
Some tools allow for measuring latency peaks. This unfortunately isn't ideal, as it can unfairly represent statistical outliers, which may very well occur when there is little to no I/O activity. The best way to understand the actual behavior of VM and application latencies is to observe in time based performance graphs. Depending on the level of detail, you may need to measure at the individual VMDK level. Become familiar with these graphs to determine what is normal, and what is not for that given application. This is where you can use built-in functionality of vCenter and the vSAN performance service metrics to gather this information.
Reference:
https://docs.vmware.com/en/VMware-vSphere/7.0/com.vmware.vsphere.vsan-monitoring.doc/GUID-EF27701E-7BAC-4E76-9D2F-E1C58CAAB06D.html
NEW QUESTION # 60
An administrator wants to deploy Kubernetes on an end-to-end VMware stack, using VMware vSAN for storage.
Which VMware product should the administrator install as the Kubernetes platform choice?
- A. VMware Tanzu Kubernetes Grid
- B. VMware Tanzu Data services
- C. VMware Tanzu Mission Control
- D. VMware Tanzu Build service
Answer: A
NEW QUESTION # 61
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. Obtain additional free capacity from the existing FC storage.
- B. Create an HCI Mesh using the second cluster's datastore.
- C. Create an HCI Mesh using the first cluster's datastore.
- D. Obtain additional free capacity from the existing NAS storage.
Answer: B
Explanation:
https://blogs.vmware.com/virtualblocks/2020/09/16/introducing-vmware-vsan-hci-mesh/
NEW QUESTION # 62
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