VMware 3V0-23.25 Practice Exam Questions & Answers
VMware 3V0-23.25 Exam Details
Key details for this exam, checked against the published exam outline
- Exam Code
- 3V0-23.25
- Full Name
- Advanced VMware Cloud Foundation 9.0 Storage
- Issuing Body
- VMware (Broadcom)
- Question Format (Our Bank)
- Multiple Choice, Drag & Drop, Order List
- Full Question Set
- 90 questions Get All Questions
Free 3V0-23.25 Practice Questions
Each question shows the correct answer and an explanation of why it is right
Question 1 Domain 4 Install, Configure, Administrate the VMware Solution
An administrator is deploying a vSphere Supervisor Cluster on a VMware Cloud Foundation (VCF) Workload Domain that uses NFS storage. As part of the configuration, the administrator must define separate storage policies for container images, ephemeral volumes, and persistent volumes within the vSphere Namespace.
The solution must align with vSphere Storage Policy Based Management (SPBM) and Broadcom TechDocs recommendations for supported Supervisor configurations.
Which configuration meets these requirements?
The correct configuration is to create distinct SPBM storage policies mapped to supported shared NFS datastore resources and assign them to the matching Supervisor storage functions. Supervisor uses storage policies to represent datastores and to manage placement of components and workload storage. The documentation states that storage policies support shared datastores such as VMFS, NFS, vSAN, and vSAN ESA. At the Supervisor level, administrators configure storage policies for control plane VMs and, when vSphere Pods are used, assign policies for ephemeral disks and container image disks. Persistent storage for workloads is also made available through storage policies assigned at namespace level. Option A is too narrow because it forces all policies to reference one datastore merely for logical isolation, while the supported model allows distinct policies mapped to one or more shared NFS datastores. Option B is incorrect because DRS is compute placement, and datastore clusters are not the Supervisor mechanism for persistent volume policy assignment. Option D is incorrect because the Supervisor does not automatically create these storage policies. Reference topics: Supervisor Storage Policies, SPBM, NFS Shared Datastores, Ephemeral Disks, Container Images, Persistent Volumes.
Question 2 Domain 3 Plan and Design the VMware Solution
An administrator is tasked with attaching an FC-based VMFS datastore to an existing Workload Domain cluster.
Which option reflects the correct process?
Question 3 Domain 5 Troubleshoot and optimize the VMware Solution
An administrator is managing a local vSAN 3-node cluster running the Express Storage Architecture (ESA) as part of a VMware
Cloud Foundation (VCF) Workload Domain.
The following parameters apply at the cluster level:
* HA is enabled
* Reserved Failover Capacity = 25% for both CPU and Memory
The administrator is tasked with configuring the VSAN storage policy so it will tolerate the maximum number of failures.
What two protection levels can the administrator configure? (Choose two.)
In a three-node vSAN ESA cluster, the maximum practical storage policy failure tolerance is one failure. RAID-1 mirroring with Failures to tolerate set to 1 is supported because vSAN can place mirrored data components across the available hosts while maintaining quorum. RAID-5 erasure coding with Failures to tolerate set to 1 is also supported in vSAN ESA three-host clusters. The documentation specifically states that RAID-5 in vSAN ESA supports three ESX host clusters. RAID-6 with FTT=2 is not supported because it requires at least six ESX hosts in the vSphere cluster. RAID-1 with FTT=2 would also require additional fault domains because vSAN requires 2n+1 fault domains for n failures tolerated. HA reserved failover capacity for CPU and memory does not change the number of vSAN fault domains available for storage object placement. It only affects compute admission control. Therefore, the two valid maximum protection levels for this three-node ESA cluster are RAID-1 mirroring with one failure and RAID-5 erasure coding with one failure. Reference topics: vSAN ESA Storage Policies, Failures to Tolerate, RAID-1 Mirroring, RAID-5 Erasure Coding, RAID-6 Requirements.
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Question 4 Domain 1 IT Architectures, Technologies, Standards
An administrator is preparing to enable vSAN Data-at-Rest Encryption and must verify that the identity and key provider prerequisites are met before proceeding with the configuration.
Which two requirements must be met? (Choose two.)
Both vSAN OSA and vSAN ESA require a trusted key provider before Data-at-Rest Encryption can be enabled. With a standard external KMS, the configuration process includes adding the KMS to vCenter and establishing trust with the KMS. vCenter then provisions encryption keys from the key provider. The vSAN encryption workflow uses a Key Encryption Key from the KMS to protect Data Encryption Keys used by ESX hosts. This requirement applies to vSAN encryption generally and is not limited to a specific vSAN architecture. OSA supports external KMS integration, so the option stating that OSA does not support external KMS integration is incorrect. Trusted Platform Modules are not mandatory prerequisites for either OSA or ESA. The vSphere key provider requirements state that TPM is not required for a standard key provider or for vSphere Native Key Provider, although Native Key Provider availability can optionally be restricted to hosts with TPMs. Therefore, the mandatory prerequisite is a trusted KMS identity for both OSA and ESA. Reference topics: vSAN Data-at-Rest Encryption, Standard Key Provider, KMS Trust, OSA and ESA Encryption Support, TPM Requirements.
Question 5 Domain 4 Install, Configure, Administrate the VMware Solution
An administrator is managing a stretched vSAN ESA cluster where each site has three hosts.
The following parameters apply to the storage policy being configured at the datastore level:
* The policy is configured at the datastore level
* Site disaster tolerance = Site mirroring - stretched cluster
* Failures to tolerate = 1 failure - RAID-1 (mirroring)
* Number of disk stripes = 1
When inspecting some of the Virtual Machines (VMs), why do objects have 3 disk stripes?
In vSAN ESA, the observed three disk stripes are expected behavior for objects using RAID-1, even when the storage policy shows ''Number of disk stripes per object = 1.'' The vSAN policy rule defines the minimum number of capacity devices across which each replica of an object is striped, and the default value is 1. However, VMware documentation explicitly notes that objects in a vSAN ESA cluster with RAID-0 or RAID-1 configuration have 3 disk stripes, even if the default storage policy defines only 1 disk stripe. Therefore, the three stripes are not caused by site mirroring itself, nor by the VM having three objects. Site mirroring controls placement across the preferred and secondary sites in a stretched cluster, while Failures to tolerate with RAID-1 controls local host/device protection. The behavior is also not evidence that a VM-level policy override exists. The datastore-level policy can still be applied correctly; ESA's internal RAID-1 object layout uses three stripes as part of its optimized storage architecture. Reference topics: vSAN ESA Default Storage Policy Characteristics, Number of Disk Stripes per Object, RAID-1 Mirroring, vSAN Stretched Cluster Storage Policies.
Question 6 Domain 3 Plan and Design the VMware Solution
An administrator has been tasked with suggesting storage models for a new VMware Cloud Foundation (VCF) Private Cloud. The following information has been provided:
* All existing implementations of VMware vSphere use the existing third-party block-based storage solution.
* The block-based storage solution only has sufficient scale, capacity and IOPS to cater for the new workload storage requirements.
* There is a dedicated and highly resilient storage area network connecting hosts to the provided block-based storage.
* There are 5 existing hosts with enough CPU and RAM resources and resilient Host Bus Adapters (HBAs) to cater for the new workload resource requirements only.
* There is sufficient budget to purchase some hardware, however the solution must re-use the existing hardware where possible.
The administrator suggests the following high-level solution:
* Single VCF Instance with a single Workload Domain.
* Deploy 4 new servers to create a Management Domain.
* Repurpose the 5 existing servers to create a single cluster in the Workload Domain.
Which two storage models should the administrator recommend? (Choose two.)
The workload domain should use Fibre Channel as principal storage because the existing five hosts already have resilient HBAs and are connected to a dedicated, highly resilient storage area network. The third-party block storage is also stated to have sufficient scale, capacity, and IOPS for the new workload requirements only, so it should be reused where it directly fits: the VI workload domain. VMware Cloud Foundation supports Fibre Channel as both principal and supplemental storage for VI workload domains. The management domain should use VMware vSAN as principal storage because the four new servers are being purchased for the management domain, and the existing block storage is not sized for management workloads. vSAN is a native VCF principal storage model for management domains and provides automated deployment, policy-based management, lifecycle integration, and integrated operations. iSCSI is not the right answer because the scenario describes Fibre Channel SAN connectivity and HBAs, not an iSCSI design. vSAN for the workload domain would also fail the reuse requirement because it would ignore the existing block storage investment. Reference topics: Principal Storage, Fibre Channel Storage Model, vSAN Storage Model, Management Domain Storage.
Question 7 Domain 4 Install, Configure, Administrate the VMware Solution
The security team has notified the VMware Cloud Foundation (VCF) Storage Administrator of a new security vulnerability that must be patched immediately. The vSAN Cluster uses vSphere Lifecycle Manager images.
After updating the image with the patch, what method should the administrator use to apply this patch with the least amount of disruption to the cluster?
Because the vSAN cluster uses vSphere Lifecycle Manager images, the least disruptive remediation method from the provided choices is to enable Quick Boot in the host remediation settings for images. Quick Boot reduces host remediation time by skipping the full hardware reboot, including the BIOS or UEFI firmware reboot. This reduces the amount of time each ESX host spends in maintenance mode and lowers operational disruption during patching. The documentation states that Quick Boot can be configured for clusters or standalone hosts managed with vSphere Lifecycle Manager images, and that it reduces reboot time during remediation. The baseline options are incorrect because the cluster is explicitly managed by images, not baselines. Disabling Quick Boot would increase disruption because hosts would require a full reboot path. Disabling HA admission control is not the least-disruption patching mechanism and is listed for baseline-oriented remediation behavior in the offered answer. In a vSAN cluster, hosts enter maintenance mode one at a time, so reducing each host's maintenance window through Quick Boot is the appropriate method. Reference topics: vSphere Lifecycle Manager Images, Host Remediation Settings, Quick Boot, vSAN Cluster Remediation.
What the VMware 3V0-23.25 Exam Covers
5 domains from the VMware 3V0-23.25 exam outline, with approximate weightings. Every sample question above is tagged with the domain it comes from
Domain 1 IT Architectures, Technologies, Standards
Differentiate between HCI and traditional storage architectures and identify when to use each based on workload requirements. Evaluate the strengths and limitations of iSCSI, vSAN, NFS, FC, and NVMe to select the right storage type for specific enterprise scenarios.
Sample question from this domain above Q4
Domain 2 VMware Cloud Foundation (VCF) Products and Solutions
Understand the differences between vSAN OSA and ESA and when each architecture serves workload needs best. Know the components that make up vSAN and supported storage solutions, including datastores, datastore clusters, and the role of principal versus supplemental storage.
Domain 3 Plan and Design the VMware Solution
Design vSAN storage solutions for VCF environments that meet specific capacity, performance, and availability requirements. Size storage correctly based on workload demands and virtual machine characteristics, whether deploying vSAN or third-party storage solutions.
Domain 4 Install, Configure, Administrate the VMware Solution
Deploy standard vSAN clusters, stretched clusters, and 2-node clusters within VCF workload domains. Configure advanced features including data protection, encryption, file services, iSCSI targets, cross-cluster capacity sharing, and day-to-day administration tasks on datastores and datastore clusters.
Domain 5 Troubleshoot and optimize the VMware Solution
Monitor vSAN and non-vSAN storage using VCF monitoring tools to track health and performance metrics. Diagnose and resolve storage issues by analyzing logs and system data, then implement optimization strategies to improve overall infrastructure efficiency.
Sample question from this domain above Q3
3V0-23.25 Exam FAQ
Common questions about the exam itself
What VMware certification path comes after 3V0-23.25?
What prerequisite certification do I need to take 3V0-23.25?
Is vSAN storage design the hardest part of 3V0-23.25?
How long does it take to prepare for 3V0-23.25?
What question formats will I see on 3V0-23.25?
Can I retake 3V0-23.25 immediately if I do not pass?
How long does the VCAP Cloud Foundation Storage certification remain valid?
Is 3V0-23.25 required for the VCAP Cloud Foundation Architect certification?
What is the difference between vSAN OSA and ESA covered on 3V0-23.25?
Which storage objective areas on 3V0-23.25 cover day-to-day operations and maintenance?
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