Free Access to VMware.2V0-15.25.v2026-10-13.q22 with Valid Practice Test (Page 3)

Question 6

An administrator has been tasked with deploying a new workload domain consisting of six VMware ESX hosts with VMware vSAN into an existing VMware Cloud Foundation (VCF) instance. After starting the deployment from VCF Operations, they discover that only four of the six hosts required are listed for selection in the UI. The administrator checks the Unassigned Host Inventory view in the vSphere Client and confirms that all six hosts are listed.
Which step should the administrator perform to identify why the two hosts are not available for selection?

A.Check that the management port group on the standard switch has been enabled for vSAN traffic.
B.Check that the failures to tolerate (FTT) setting for the workload domain is set to 0.
C.Check that all disk partitions have been deleted from the SSD drives of the hosts.
D.Check that the network pool the hosts have been associated with is enabled for vSAN.

Question 7

An administrator Is responsible for managing a VMware Cloud Foundation (VCF) fleet. The administrator discovers intermittent performance issues with the supplemental storage (ISCSI) connected to VCF workload domain. The administrator discovers that the (iSCSI) target is reachable from most VMware ESX hosts, but some hosts consistently experience periods of slow I/O and connection drops.
Which two actions should the administrator take to diagnose and resolve this issue? (Choose two.)

A.Review the iSCSI target's configuration to ensure it's configured for maximum performance, including enabling CHAP authentication.
B.Examine the iSCSI VMkernel port on all affected ESX hosts for TCP retransmissions and checksum offload errors.
C.Update the network plugin on the ESX host to the latest version.
D.Ensure all ESX hosts have the VMkernel port MTU set to 1500.
E.Ensure all ESX hosts have the VMkernel port MTU set to 9000.

Correct Answer: B,E

To diagnose and resolve the intermittent performance and connection drop issues with the supplemental iSCSI storage, the administrator should focus on network layer consistency and health, particularly regarding packet size (MTU) and delivery (TCP).
* Examine the iSCSI VMkernel port for TCP retransmissions (Action B - Diagnose):"Intermittent" connection drops and slow I/O are classic symptoms of packet loss or fragmentation issues. By examining the ESXi network stats (e.g., using esxtop key n or viewing vSphere performance charts) for TCP retransmissions, the administrator can confirm if packets are being dropped or lost in transit.
Checksum offload errorscan also indicate issues where the NIC hardware is incorrectly validating packets, causing the OS to drop them. This step identifies theroot cause(packet loss/corruption).
* Ensure all ESX hosts have the VMkernel port MTU set to 9000 (Action E - Resolve):For high- performance storage traffic like iSCSI in a VMware Cloud Foundation environment, it is best practice to useJumbo Frames (MTU 9000)end-to-end (Host -> Switch -> Storage Array).
* The symptom thatsomehosts are affected suggestsconfiguration driftwhere those specific hosts might be set to a different MTU (e.g., 1500) or are mismatched with the physical network/target (which is likely set to 9000 for performance).
* An MTU mismatch (e.g., Target sending 9000-byte frames to a Host/Switch expecting 1500) typically results in the "Do Not Fragment" (DF) bit causing packet drops, leading to the reported connection drops and retransmission delays. Ensuring a consistent MTU of 9000 across the fleet resolves this and aligns with VCF performance standards.
Note: Option A (CHAP) is for authentication security, not performance. Option C (Update network plugin) is a lifecycle task but less likely to be the immediate fix for "some hosts" having intermittent drops compared to the common issue of MTU mismatch. Option D (MTU 1500) would resolve drops if the physical network doesn't support Jumbo Frames, but would degrade performance, making E the preferred resolution for a
"performance" storage tier.

Question 8

An administrator is planning to apply updates to a VMware vCenter instance.
What two actions can the administrator take to confirm the status of the vCenter services? (Choose two.)

A.Connect to the vSphere Client and review vCenter performance charts.
B.Connect to the vCenter appliance shell and run the services-control -status command.
C.Connect to the vCenter Server Management console and review the services statuses.
D.Connect to the vCenter appliance shell and run the vim-top command.
E.Connect to the ESX DCUI where the vCenter Appliance is running and run the services.sh script.

Question 9

An administrator is attempting to import a certificate chain In VMware Cloud Foundation (VCF) Operations by uploading a certificate file. The validation fails with an error stating, "The provided certificate content is invalid.' What is a possible cause for this error?

A.The certificate is not PEM-encoded.
B.The certificate chain order is invalid.
C.The certificate chain is missing the root CA.
D.The certificate chain does not include the private key.

Question 10

An administrator attempts to add a new user (provideradmin05) within the VMware Cloud Foundation (VCF) Automation Provider Management Portal, however provideradmin05 cannot be found for import.
The following information is provided:
* The existing VCF Fleet uses VMware Identity Broker (VIDB) for single sign-on.
* VIDB uses Active Directory as the identity provider.
* A group named VCFA_ProviderAdmins was created in Active Directory, populated with the appropriate user accounts and synchronized with VIDB.
* Five days later provideradmin05 was added to VCFA_ProviderAdmins.
What will resolve this issue?

A.In VCF Operations, manually resync the directory.
B.In the VCF Automation Provider Management Portal, enable the Advanced Rights Bundle Mode.
C.In VCF Operations, disable VCF SSO for VCF Automation.
D.In the VCF Automation Provider Management Portal, import provideradmin05 as an LDAP user.

Question 6

Question 7

Question 8

Question 9

Question 10

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