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2v0-2123 Exam - Question 92

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

• ESXi Host name (FQDN): esx01.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.)

Show Answer
Correct Answer: CE

Before starting the installation of the vCenter Server Appliance, it is essential to ensure proper DNS resolution for the vCenter Server. This involves creating a forward DNS A record, which maps the hostname vcsa01.corp.local to its IP address, ensuring that the hostname resolves correctly to the IP address 172.20.10.100. Additionally, creating a reverse DNS A record is necessary, which associates the IP address 172.20.10.100 with the hostname vcsa01.corp.local, ensuring that the IP address can be resolved back to the hostname. These steps are crucial to avoid any DNS resolution issues during the deployment process of the vCenter Server Appliance.

Discussion

9 comments
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AcquistiOptions: CE
Jun 30, 2023

https://docs.vmware.com/en/VMware-vSphere/8.0/vsphere-vcenter-upgrade/GUID-752FCA83-1A9B-499E-9C65-D5625351C0B5.html If you plan to use an FQDN for the appliance system name, you must verify that the FQDN is resolvable by a DNS server, by adding forward and reverse DNS A records.

Ilmace86Options: CE
Jul 10, 2023

C E is correct. to use FQDN you need both forward and reverse DNS A records

jennyka76Options: CE
Jul 11, 2023

I AGREE: C-E https://docs.vmware.com/en/VMware-vSphere/8.0/vsphere-vcenter-upgrade/GUID-752FCA83-1A9B-499E-9C65-D5625351C0B5.html GOOD ARTICLE JUST HAVE TAKE TIME OUT READY

PledianOptions: AD
Aug 7, 2023

CE is incorrect. AE is correct as before starting the installation of the vCenter Server Appliance, the administrator must complete the following these two actions:

Vachs
Apr 29, 2024

Why a cname record?

Spock2023Options: CE
Aug 8, 2023

DNS entry forward and reverse are mandatory

[Removed]Options: CE
Sep 16, 2023

To use an FQDN for the appliance system name, make sure the FQDN can be resolved by a DNS server. Add forward and reverse DNS A records for verification. https://docs.vmware.com/en/VMware-vSphere/8.0/vsphere-vcenter-upgrade/GUID-752FCA83-1A9B-499E-9C65-D5625351C0B5.html#GUID-24D34C53-B00E-47B7-92A7-6B0155DF6889__GUID-D5BC40DF-91CA-4B56-A041-BFCED5FA2806:~:text=If%20you%20plan%20to%20use%20an%20FQDN%20for%20the%20appliance%20system%20name%2C%20you%20must%20verify%20that%20the%20FQDN%20is%20resolvable%20by%20a%20DNS%20server%2C%20by%20adding%20forward%20and%20reverse%20DNS%20A%20records.

ertin74Options: AB
Aug 18, 2023

AB, new deployment, not an upgrade, the bare minimum are forward records.

ertin74
Aug 18, 2023

Typ, CD

FR_WolfmanOptions: CE
Nov 22, 2023

CE is the correct answer. A & B are CNAME records, which are aliases...useless. D is to exclude too, having a DNS record for the ESXi host is not necessary for vCenter deployment.

rajiv231089Options: CE
Apr 13, 2024

Before starting the installation of the vCenter Server Appliance, the administrator must complete the following actions: C. Create a reverse DNS A record for the vCenter Server (vcsa01). A reverse DNS A record associates an IP address with a hostname. Creating this record ensures that the IP address 172.20.10.100 resolves to the hostname vcsa01.corp.local. E. Create a forward DNS A record for the vCenter Server (vcsa01). A forward DNS A record maps a hostname to an IP address. Creating this record ensures that the hostname vcsa01.corp.local resolves to the IP address 172.20.10.100. These actions ensure proper DNS resolution for the vCenter Server Appliance during installation. Therefore, the correct actions to complete before starting the installation are C and E.