VMware VMware Certifications 5V0-22.23 Questions & Answers

• Question 51:

  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. Immediately reboot the non-compliant hosts

  B. Check VMKNICs, uplinks, physical switches, and associated settings

  C. Rerun the VMware Skyline Health: vSAN Cluster Partition report

  D. Place the non-compliant hosts into an isolated network partition

  Correct Answer: B

  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)

• Question 52:

  A site administrator wishes to implement HCI mesh between two clusters on vSAN that are located in geographically separate sites and which are administered within a single datacenter.

  Which two requirements should the vSAN administrator consider to accomplish this goal? (Choose two.)

  A. Either Layer 2 or Layer 3 communications can be used

  B. A leaf spine topology is required for core redundancy and reduced latency

  C. NIC teaming must be implemented for the vSAN network vmkernel port

  D. The configuration must meet the same latency and bandwidth requirement as local vSAN

  E. Encryption must be disabled prior to configuring HCI mesh

  Correct Answer: AD

  Explanation: To implement HCI mesh between two clusters on vSAN that are located in geographically separate sites, the vSAN administrator should consider the following requirements: Either Layer 2 or Layer 3 communications can be used. HCI mesh supports both Layer 2 and Layer 3 network configurations, as long as the network latency and bandwidth requirements are met3 The configuration must meet the same latency and bandwidth requirement as local vSAN. HCI mesh requires a network latency of less than or equal to 5 ms RTT between any two hosts in the participating clusters, and a network bandwidth of at least 10 Gbps for the vSAN network vmkernel port3 References: 3: VMware vSAN Specialist v2 Exam Preparation Guide, page 15

• Question 53:

  A vSAN administrator is responsible for managing a customer's production vSAN cluster that is going to be used to provide SMB file shares to a number of host clients. The vSAN administrator must take action so the performance of all services in the production vSAN cluster can be monitored.

  Which two services must be enabled for this monitoring to occur? (Choose two.)

  A. vSAN Performance Diagnostic Service

  B. iSCSI Target Service

  C. vSAN File Services

  D. vSAN Health Service

  E. vSAN Performance Service

  Correct Answer: CE

  Explanation: To monitor the performance of vSAN File Services, the vSAN administrator must enable both the vSAN File Services and the vSAN Performance Service. The vSAN File Services provides SMB file shares to host clients, while the vSAN Performance Service collects and analyzes performance statistics and displays them in the vSphere Client. The other services are not related to vSAN File Services performance monitoring. References: VMware vSAN Specialist v2 EXAM 5V0-22.23, page 9, Objective 7.4; [vSAN File Services]; [vSAN Performance Service]

• Question 54:

  Which two actions are recommended when adding a host to a vSAN cluster? (Choose two.)

  A. Create uniformly-configured hosts

  B. Disable vSAN performance service

  C. Disable vSphere Cluster Services

  D. Disable vSphere High Availability (HA)

  E. Reference the VMware Compatibility Guide

  Correct Answer: AE

  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.

• Question 55:

  What are two characteristics of a durability component in vSAN? (Choose two.)

  A. Better Performance

  B. Faster resynchronization

  C. Faster snapshot creation

  D. Better Storage utilization

  E. Better Availability

  Correct Answer: BE

  Explanation: A durability component is a temporary component that is created when a host or disk group is placed in maintenance mode with the Ensure data accessibility option, or when a host or disk group fails unexpectedly. A durability component improves the availability of data by maintaining the required number of failures to tolerate (FTT) until the original component is restored or rebuilt. A durability component also speeds up the resynchronization process by reducing the amount of data that needs to be copied. The other characteristics are not applicable to a durability component. References: VMware vSAN Specialist v2 EXAM 5V0-22.23, page 10, Objective 6.8; [Durability Components]

• Question 56:

  A vSAN administrator encounters a non-compliant virtual machine and the compliance status of some of its objects is noncompliant. vSAN is able to locate a full replica of 55% of the votes for the noncompliant objects.

  What will vSAN do with the virtual machine?

  A. Mark the virtual machine as compliant and automatically recover the noncompliant objects

  B. Power off the virtual machine

  C. Mark the virtual machine as inaccessible as vSAN is not able to locate more than 60% of the votes for the objects

  D. Mark the virtual machine as orphaned

  Correct Answer: A

  Explanation: If vSAN is able to locate a full replica of 55% of the votes for the noncompliant objects of a virtual machine, vSAN will mark the virtual machine as compliant and automatically recover the noncompliant objects. This is because vSAN uses a quorum- based algorithm to determine object availability and compliance. An object is considered available if more than 50% of its votes are accessible, and compliant if it meets its assigned storage policy requirements. In this case, since 55% of the votes are accessible, vSAN can access a full replica of each object and restore its compliance state by rebuilding any missing or corrupted components. The other options are not correct. vSAN will not power off, mark as inaccessible, or mark as orphaned a virtual machine that has more than 50% of its votes accessible, as these actions would result in unnecessary downtime or data loss. References: Object States That Indicate Problems in vSAN; Accessibility of Virtual Machines Upon a Failure in vSAN

• Question 57:

  An administrator is performing maintenance on the hosts in a four-node vSAN cluster and has selected the "Ensure Accessibility" maintenance mode option. All VMs are running with the Default Storage Policy which has not been modified from the default settings.

  While one of the hosts in the cluster is down for firmware upgrade, a second host suddenly loses network connectivity to the remaining hosts.

  How will the cluster be affected?

  A. VMs might experience data loss

  B. Cluster will still be fully operational

  C. All VMs in the cluster will be inaccessible

  D. The backend performance metrics will be lost

  Correct Answer: A

  Explanation: If two hosts in a four-node vSAN cluster are down, the cluster might experience data loss because the default storage policy has a Primary level of failures to tolerate (PFTT) of 1, which means that vSAN can tolerate only one host failure. The Ensure accessibility maintenance mode option does not guarantee full data redundancy, but only ensures that all accessible VMs remain accessible. If another host fails while one host is in maintenance mode, some VMs might lose access to their data components and become unavailable or corrupted. References: vSAN Maintenance Mode Options; vSAN Cluster Configuration Limits

• Question 58:

  An administrator is upgrading multiple vSAN Witness nodes with vLCM (single image management) that are used for vSAN Stretched and two-node Clusters.

  What two witness node types can the administrator upgrade? (Choose two.)

  A. Appliance witness node

  B. Shared witness node

  C. Nested witness node

  D. Dedicated witness node

  E. Physical witness node

  Correct Answer: AC

  Explanation: To upgrade multiple vSAN Witness nodes with vLCM (single image management) that are used for vSAN Stretched and two-node Clusters, the administrator can upgrade two witness node types: appliance witness node and nested witness node. An appliance witness node is a virtual ESXi host that runs on a physical ESXi host and contains the witness components of VM objects stored in the vSAN cluster. A nested witness node is a virtual ESXi host that runs on another virtual ESXi host and contains the witness components of VM objects stored in the vSAN cluster. Both types of witness nodes can be managed by vLCM as independent nodes since vSphere 7.0 Update 3, as long as they are version

  7.0 Update 2 or later. The other options are not correct. A shared witness node is a witness node that serves multiple vSAN clusters, which is not supported by vLCM. A dedicated witness node is a witness node that serves only one vSAN cluster, which is not a specific type of witness node. A physical witness node is aphysical ESXi host that contains the witness components of VM objects stored in the vSAN cluster, which cannot be upgraded by vLCM. References: vSphere Lifecycle Manager and the vSAN Witness Hosts; Shared Witness for 2-Node vSAN Deployments

• Question 59:

  An organization plans to implement a new vSAN 8.0 cluster to take advantage of the new features around improved I/O flow, better resiliency, and more efficient disk usage. The vSAN ReadyNodes available for the cluster consist of eight NVMe disks.

  How should the organization configure the disk layout?

  A. Use vSAN OSA and create two disk groups with one cache disk and three capacity disks each

  B. Use vSAN ESA and the new Storage pool configuration where all disks contribute to capacity

  C. Use vSAN OSA and thenew Storage pool configuration where all disks contribute to capacity

  D. Use vSAN ESA and create two disk groups with one cache disk and three capacity disks each

  Correct Answer: B

  Explanation: Using vSAN ESA and the new Storage pool configuration where all disks contribute to capacity is the correct answer because it allows the organization to take advantage of the new features in vSAN 8.0, such as improved I/O flow, better resiliency, and more efficient disk usage. With vSAN ESA, there is no need to create disk groups or designate cache disks, as all disks are treated as capacity disks and use a new algorithm to distribute data across them. This also simplifies the disk management and reduces the overhead of cache management. References: VMware vSAN Specialist v2 Exam Preparation Guide, page 6 What's New in VMware vSAN 8.0

• Question 60:

  Which VMware solution requires vSAN usage?

  A. VMware Cloud Foundation

  B. VMware Horizon

  C. VMware Telco Cloud Automation

  D. VMware Aria Automation

  Correct Answer: A

  Explanation: The VMware solution that requires vSAN usage is VMware Cloud Foundation. VMware Cloud Foundation is an integrated software stack that bundles compute virtualization (VMware vSphere), storage virtualization (VMware vSAN), network virtualization (VMware NSX), and cloud management and monitoring (VMware vRealize Suite) into a single platform that can be deployed on premises or as a service within a public cloud. VMware Cloud Foundation relies on vSAN as the primary storage solution for its workload domains, which are logical pools of resources that can be used to run different types of workloads. The other options are not correct. VMware Horizon, VMware Telco Cloud Automation, and VMware Aria Automation are VMware solutions that do not require vSAN usage, although they can benefit from it. VMware Horizon is a platform that delivers virtual desktops and applications across a variety of devices and locations, and it can use any supported storage solution, including vSAN. VMware Telco Cloud Automation is a cloud-native orchestration and automation platform that enables communication service providers to accelerate the deployment and lifecycle management of network functions and services across any network and cloud. It can use any supported storage solution, including vSAN. VMware Aria Automation is not a valid VMware solution name. References: VMware Cloud Foundation Overview; VMware Horizon Overview; VMware Telco Cloud Automation Overview