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Free VMware vSphere 8.x Professional 2V0-21.23 Exam Questions

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Question 1

An administrator notices a performance issue in VMvvare vCenter To try and understand more about the performance issue, the administrator needs to gather more information about the vCenter database to eliminate a potential disk space issue.

Which two tools can the administrator use? (Choose two.)

Correct Answer: A. vCenter Management Interface (VAMI); C. df

Question 3

Question 4

An administrator has a requirement to revert a running virtual machine to a previous snapshot after a failed attempt to upgrade an application. When the administrator originally took the snapshot, the following choices in the Take Snapshot dialog were made:

* Snapshot the virtual machine's memory = false

* Quiesce guest file system = false

What will be the result of the administrator selecting the 'Revert to Latest Snapshot? option to return the virtual machine to a previous snapshot? (Choose two.)

Correct Answer: A. The virtual machine will be restored to the parent snapshot; B. The virtual machine will be restored in a powered off state

Question 5

An administrator is tasked with installing VMware vCenter. The vCenter Server Appliance must support an environment of:

* 400 hosts

* 4000 virtual machines

Which two resources must be allocated, at a minimum, to meet the requirements? (Choose two.)

Question 6

An administrator is preparing for a deployment of a new vCenter Server Appliance. The following information has been provided to complete the deployment:

* ESXi Host name (FQDN): esxOl.corp local . ESXi IP Address: 172.20.10.200

* vCenter Server Name (FQDN): vcsa01 corp.local

* vCenter Server IP Address: 172.20 10.100

* NTP Server: 172.20.10.20

* DNS Server: 172.20.10.1

* Deployment Size: Tiny

* Storage Size: Default

Which two actions must the administrator complete before starting the installation of the vCenter Server Appliance? (Choose two.)

Correct Answer: C. Create a reverse DNS A record for the vCenter Server (vcsa01).; E. Create a forward DNS A record for the vCenter Server (vcsa01).

Question 7

An administrator is attempting to configure Storage I/O Control (SIOC) on five datastores within a vSphere environment. The administrator is being asked to determine why SIOC configuration completed successfully on only four of the datastores.

What are two possible reasons why the configuration was not successful? (Choose two.)

Correct Answer: A. The datastore contains Raw Device Mappings (RDMs).; C. The datastore has multiple extents.
Explanation:

SIOC configuration may fail if the datastore contains RDMs or has multiple extents, as these are not supported by SIOC.


Storage I/O Control is supported on Fibre Channel-connected, iSCSI-connected, and NFS-connected storage. Raw Device Mapping (RDM) is not supported. Storage I/O Control does not support datastores with multiple extents.

Question 8

After a recent unexplained peak in virtual machine (VM) CPU usage, an administrator is asked to monitor the VM performance for a recurrence of the issue.

Which two tools can the administrator use? (Choose two.)

Correct Answer: C. vSphere Performance Charts; E. ESXi Shell
Explanation:

To monitor the VM performance for a recurrence of the issue, the administrator can use vSphere Performance Charts, which provide graphical views of various performance metrics for VMs and other objects; or ESXi Shell, which provides command-line access to ESXi hosts and allows running various commands to collect performance data.


Question 9

An administrator runs a two-node vSphere cluster, which contains two domain controller virtual machines (VMs). The administrator wants to ensure that VMs run on separate hosts without interfering with normal maintenance operations.

How should the administrator configure Distributed Resource Scheduler (DRS)?

Correct Answer: D. Create a 'Should run Virtual Machines to Hosts' anti-affinity rule.

Question 10

administrator successfully installs VMware ESXi onto the first host of a new vSphere duster but makes no additional configuration changes. When attempting to log into the vSphere Host Client using the Fully Qualified Domain Name (FQDN) of the host, the administrator receives the following error message:

''server Not Found --we can't connect to the server at esxit101.corp.local.''

* Host FQDN: esxi 101. Corp. local

* Management VLAN ID: 10

* DHCP: No

* Management IP Address: 172.16.10.101/24

* Management IP Gateway: 172.16.10.1

* Corporate DNS Servers: 172.16.10.5, 172.16.10.6

* DNS Domain: corp.local

Which three high level tasks should the administrator complete, at a minimum, in order to successfully log into the

the vSphsrs Host Client using the FQDN for the exxi101 and complete the configuration (Choose three.)

Correct Answer: A. Ensure a DNS A Record Is created for the VMware ESXI host on the corporate DNS servers,; B. Update the VMware ESXI Management Network DNS configuration to use the corporate DNS servers for name, resolution,
Explanation:

To successfully log into the vSphere Host Client using the FQDN for the ESXi host, the administrator needs to ensure a DNS A Record is created for the VMware ESXi host on the corporate DNS servers, which maps its FQDN to its IP address; and update the VMware ESXi Management Network DNS configuration to use the corporate DNS servers for name resolution, which allows resolving its FQDN.