Use Real 5V0-21.20 - 100% Cover Real Exam Questions [Sep-2021]
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NEW QUESTION 27
An infrastructure architect is submitting a proposal for a vSAN Cluster. These are the customer's requirements:
*Maximize the amount of usable capacity.
*Deduplication and compression will be enabled to help maximize usable capacity.
Which disk group configuration should the architect include in their design?
- A. Three disk groups with one flash device for cache and two flash devices for capacity per disk group.
- B. Five disk groups with one flash device for cache and one magnetic device for capacity per disk group.
- C. One disk group with one flash device for cache and six magnetic devices for capacity.
- D. One disk group with one flash device for cache and six flash devices for capacity.
Answer: A
NEW QUESTION 28
An administrator observes a significant amount of vSAN backend traffic at the cluster level. What are two possible causes? (Choose two.)
- A. The host entered maintenance mode with no data migration.
- B. The host is rebuilding vSAN logs in the cache tier after a reboot.
- C. vSAN is performing data resynchronizations after a host failure.
- D. The migration of virtual machines to the vSAN datastore using Storage vMotion is occurring.
- E. vSAN Stretched Cluster storage policy was assigned to virtual machines in a vSAN standard cluster,
Answer: C,D
NEW QUESTION 29
A 4-node vSAN cluster has a single disk group per host. An administrator wants to increase the capacity of the vSAN datastore by adding a second disk group to each host in the cluster. The newer drives intended for the second disk group are certified and in compliance with VMware Compatibility Guide (VCG). However, the newer devices procured are of a different make and model than the existing disk group composition.
Considering the scenario, which statement is true?
- A. The Cache Tier devices need to be the same make and model as other disk groups.
- B. The Capacity Tier devices need to be the same make and model as other disk groups.
- C. This configuration is supported, however a separate controller is mandatory for each disk vendor.
D18912E1457D5D1DDCBD40AB3BF70D5D - D. This configuration is supported, however performance may vary across disk groups.
Answer: B
NEW QUESTION 30
A storage administrator Is consolidating 2 data centers running on an HCI platform. There is a single site deployment of VMs running on the HCI platform with vSAN encryption. The administrator would like to protect data using replication and has these tools available:
*vSphere replication
*VM encryption
*VMware vSAN
Considering the scenario, which statement is correct?
- A. If VMs have encrypted disks, the VM storage policy has a choice of encrypted or not encrypted.
- B. Encrypted VM disks are not supported with VMware vSAN, only encrypted vSAN datastores.
- C. If a source VM has encrypted disks, the VM storage policy must be encrypted.
- D. If source VMs have encrypted disks, the target storage policy cannot include a VM encryption rule.
Answer: B
NEW QUESTION 31
Which step can be avoided when replacing a capacity tier device on a controller with passthrough mode and support for hot-plug?
- A. Add the new disk to the disk group.
- B. Replace the physical drive.
- C. Remove the disk from the disk group.
- D. Shut down the host.
Answer: B
NEW QUESTION 32
Which two storage policy changes require a full rebuild of all components for an object? (Choose two.)
- A. Increase the IOPS limit for an object.
- B. Reduce the Primary Failures to Tolerate from 2 to 1 for an object using a failure tolerance method of RAID-1 (Mirroring).
- C. Change the failure tolerance method of an object from RAID-1 (Mirroring) to RAID-5 (Erasure Coding).
- D. Disable object checksum on an object.
- E. Increase the number of disk stripes for an object from 2 to 3.
Answer: B,C
NEW QUESTION 33
An administrator is designing a network for a vSAN cluster.
What is the recommendation for the cluster's network configuration?
- A. Create separate distributed switches for Management, vSAN, and vMotion.
- B. Create separate VMkernel ports for Management, vSAN, and vMotion.
- C. Set shares within Network I/O Control (NIOC) to prefer vMotion traffic over vSAN traffic.
- D. Set the Multicast filtering mode in the virtual distributed switch to IGMP/MLD snooping.
Answer: B
NEW QUESTION 34
What is the key factor when sizing the Witness Host for a vSAN Stretched Cluster?
- A. number of maximum components supported
- B. size of the cache tier within the witness appliance
- C. number of vCPUs within the Witness appliance
- D. size of the ESXi boot drive to account for metadata
Answer: C
NEW QUESTION 35
Which storage policy can be assigned to virtual machines In a 5-node, all flash vSAN cluster, to provide the highest level of redundancy?
- A. 2 failures - RAID-6 (Erasure Coding)
- B. 1 failure - RAID-5 (Erasure Coding)
- C. 2 failures - RAID-1 (Mirroring)
- D. 3 failures - RAID-1 (Mirroring)
Answer: A
NEW QUESTION 36
A healthy vSAN Stretched Cluster has the existing vSAN Witness Host swapped for a new vSAN Witness Host using the "Change Witness Host" wizard.
If the administrator takes no further action, which two does the vSAN Health Check report show? (Choose two.)
- A. Data - vSAN Object Health - Healthy
- B. Performance Service - Stats DB Object - object health - green
- C. Performance Service - Stats DB Object - object exists - green
- D. Performance Service - Stats DB Object - object health - red
- E. Data - vSAN Object Health - Reduced availability with no rebuild
Answer: D,E
NEW QUESTION 37
Refer to the exhibit:
The vSAN Health service is reporting VSAN Cluster Partition' warning. The partition list shows all hosts from rack 1 in a single partition and all hosts from rack 2 in another partition.
Which hardware component requires investigation to resolve the cluster partition?
- A. vSAN Master node
- B. ToR switches
- C. core switch
- D. NICs on each host in Rack 2
Answer: D
NEW QUESTION 38
Which two storage policy changes require a full rebuild of all components for an object? (Choose two.)
- A. Increase the number of disk stripes for an object from 2 to 3.
- B. Increase the IOPS limit for an object.
- C. Reduce the Primary Failures to Tolerate from 2 to 1 for an object using a failure tolerance method of RAID-1 (Mirroring).
- D. Disable object checksum on an object.
- E. Change the failure tolerance method of an object from RAID-1 (Mirroring) to RAID-5 (Erasure Coding).
Answer: A,C
NEW QUESTION 39
A company has reserved the last Saturday of the month to conduct server maintenance. An administrator is allowed to perform maintenance from 5 AM to 12 PM. During the upcoming maintenance window, the administrator will upgrade the controller driver, controller firmware, and vSphere version.
Environment details:
* vCenter is already at the latest version
* 5 node vSAN cluster
* The VMs are using a mix of RAID-0, RAID-1, and RAID-5 policies
* Each node is storing 20 TBs worth of VMs
Which maintenance mode option will allow an administrator to successfully perform the required upgrades, while ensuring all VMs remain online?
- A. No Data Migration
- B. Ensure Accessibility
- C. Full data migration
- D. Admission Control Enabled
Answer: A
NEW QUESTION 40
A vSAN administrator needs to satisfy availability and compliance requirements to build end-to-end resiliency for a vSAN Network. Which design option meets this requirement?
- A. Configure two VMkernel interfaces with one NIC each connecting to two disparate physical network fabrics.
- B. Migrate vSAN VMkernel port and its uplinks to vSphere Distributed Switch and configure LACP.
- C. Migrate vSAN VMkernel port and its uplinks to vSphere Distributed Switch and configure Network I/O
- D. Control (NIOC). Configure two NICs as active adapters(Active/Active) to the existing vSAN VMkernel interface.
Answer: B
NEW QUESTION 41
Reference the exhibit.
A university campus has a site topology illustrated in the exhibit. Adjacent connected buildings are connected with a single 40gb layer 3 network with a RTT of 0.6ms as depicted by each line. An architect wants to configure a fault domain in each building.
What would the architect need change in order to implement a fully supported vSAN Cluster?
- A. Enable a single Layer 2 network across all buildings for vSAN connectivity.
- B. Add an additional link to the existing adjacent links to make it redundant.
- C. Enable IPv6 networks across all buildings for vSAN connectivity.
- D. Decrease the existing RTT between the existing links by 0.1ms or more.
Answer: B
NEW QUESTION 42
The clomd service has stopped on 1 host in a 3 node vSAN cluster. All other services on the host, as well as the other 2, are healthy. Additionally, the unmodified vSAN Default Storage Policy is in use.
Which would be an expected outcome for a new VM deployed into the vSAN cluster?
- A. VM deployment will be deferred by vCenter.
- B. VM deployment will fail.
- C. VM deployment will complete but VM 10 will fail.
- D. VM deployment will complete but performance will be degraded.
Answer: B
NEW QUESTION 43
As part of a security strategy for data, a company has elected to migrate to a new KMS system. Existing vSAN clusters are configured for Data At Rest Encryption. Considering the scenario, which statement is true?
- A. Existing unencrypted datastores can be encrypted without data migration.
- B. Existing encrypted vSAN Clusters will need to be decrypted to use the new KMS system.
- C. Full data evacuation will be required to use the new KMS system.
- D. Keys from the new KMS system can be applied without any data movement.
Answer: B
NEW QUESTION 44
A vSAN all-flash environment with these host specifications has reported high network latency, write latency, and faces degraded performance:
* One 1Gbps (vSAN, vMotion Traffic)
* One 1Gbps (Management, Fault Tolerance traffic)
Based on the specifications of each host, what is recommended to resolve the issue?
- A. collapse all traffic into one 1Gbps NIC
- B. change MTU to 9000
- C. change stripe width to 12
- D. collapse all traffic shared under two 10Gbps NICs
Answer: D
NEW QUESTION 45
Which is true about vSAN fault domains?
- A. A vSAN Stretched cluster has two primary fault domains.
- B. A vSAN Stretched Cluster has three primary fault domains.
- C. A 2-node vSAN Cluster has two primary fault domains.
- D. A vSAN Standard Cluster cannot be configured with fewer than 3 fault domains.
Answer: A
NEW QUESTION 46
What is the correct power down sequence for shutting down all nodes in a vSAN cluster with vCenter on the vSAN datastore?
(Place the first selection in the sequence at the top of the list, followed by the second, and so on until the last selection is at the bottom of the list.)
Answer:
Explanation:
NEW QUESTION 47
Which two statements regarding networking are true for a vSAN Stretched Cluster? (Choose two.)
- A. A 5ms RTT or less is required between the data sites.
- B. The vSAN data network must communicate with the vSAN witness host.
- C. A Stretched Cluster can use Layer 2 or Layer 3 communication for the vSAN network.
- D. PIM is required for stretched vSAN clusters.
- E. A Stretched Layer 2 network is required at the vSAN data sites and at the witness site.
Answer: A,C
NEW QUESTION 48
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