
3V0-23.25 Advanced VMware Cloud Foundation 9.0 Storage Exam
Prepare for the 3V0-23.25 Advanced VMware Cloud Foundation 9.0 Storage Exam with
focused study material, practice questions, exam topics, and scenario-based
preparation. The certification validates advanced skills in designing,
configuring, managing, troubleshooting, and optimizing storage within VMware
Cloud Foundation 9.0 environments.
The official exam covers storage architectures, VMware vSAN, VCF storage
solutions, storage design and sizing, deployment and administration, encryption,
data protection, file services, iSCSI, and storage troubleshooting.
Topics Covered in 3V0-23.25
1. IT Architectures, Technologies and Standards
HCI versus traditional storage architectures
Storage architecture use cases
iSCSI, vSAN, NFS, Fibre Channel and NVMe
Storage design considerations
2. VMware Cloud Foundation Products and Solutions
vSAN OSA versus vSAN ESA
vSAN architecture and components
Principal and supplemental storage
VCF Workload Domain storage
Advanced vSAN capabilities
Datastores and datastore clusters
Storage within VMware Supervisor contexts
3. Plan and Design the VMware Solution
Designing vSAN storage for VCF
Storage capacity sizing
Performance and availability requirements
Designing non-vSAN storage solutions
Storage architecture selection
4. Install, Configure and Administrate
Deploying vSAN clusters
vSAN stretched clusters
vSAN 2-node clusters
vSAN Data Protection
Non-vSAN storage deployment
Cross-cluster capacity sharing
vSAN Storage Clusters
vSAN encryption
vSAN File Service
vSAN iSCSI Target Service
5. Troubleshoot and Optimize
Storage configuration troubleshooting
vSAN performance analysis
Capacity and health monitoring
Storage optimization
Identifying configuration problems
Troubleshooting storage-related scenarios
Short Google Snippet Content
3V0-23.25 Advanced VMware Cloud Foundation 9.0 Storage preparation covering vSAN
ESA/OSA, VCF storage architecture, storage design, sizing, configuration,
encryption, data protection and troubleshooting.
Prepare for the 3V0-23.25 exam with updated practice questions, study guides and
scenario-based preparation covering VMware Cloud Foundation 9.0 Storage
concepts.
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What is the 3V0-23.25 exam?
How do I prepare for 3V0-23.25?
What topics are covered in VMware VCF 9.0 Storage?
What is the difference between vSAN ESA and OSA?
How does vSAN work in VMware Cloud Foundation 9?
What are principal and supplemental storage in VCF?
How do I design a vSAN storage solution for VCF?
How do I calculate vSAN storage capacity?
What are the supported storage types in VCF 9?
How do I configure a vSAN stretched cluster?
What is a vSAN 2-node cluster?
How does vSAN encryption work?
What is vSAN Data Protection?
How do I configure vSAN File Service?
How does the vSAN iSCSI Target Service work?
What storage options are available for VCF 9 workload domains?
What should I study before taking 3V0-23.25?
Where can I find 3V0-23.25 practice questions?
Are scenario-based questions important for 3V0-23.25?
How can I test my VMware Cloud Foundation Storage knowledge?
VCF 9 supports multiple storage configurations, including vSAN and supported
external storage options; Broadcom's current documentation specifically
discusses NFS, Fibre Channel, iSCSI and NVMe-related storage configurations.
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Question: 1
An administrator has been tasked with recommending a principal storage type for
a new cluster within an existing VMware Cloud
Foundation (VCF) Workload Domain.
The following information has been provided:
• The customer has a 25GbE capable network.
• The customer has an existing 3rd party storage solution that supports
connectivity by either FibreChannel and NFS
• The new cluster will consist of two host servers that will be recycled from a
previous project.
• Each of the host servers have the following configuration:
o One 500GB Enterprise-grade SSD drive.
o Two 2-Port IOGbE network cards.
• There is no budget for additional hardware.
Question: 2
Which approach should the administrator recommend for the principal storage
type?
A. Fibre Channel
B. NFS v4.1
C. NFS v3
D. Fibre Channel over Ethernet
Answer: C
Explanation:
NFS v3 is the best recommendation because the scenario provides only
Ethernet-based host
connectivity and no budget for additional hardware. Fibre Channel would require
appropriate FC
HBAs, SAN zoning, and array presentation to all hosts. The provided hosts only
have Ethernet NICs
and local boot/storage devices, so they are not prepared for FC without
additional hardware.
VMware Cloud Foundation supports NFS as principal storage for VI workload
domains, but the
supported principal NFS protocol version is NFS v3. NFS v4.1 is supported as
supplemental storage,
not as principal storage for this use case. The documentation also states that
when NFS is used as
principal storage with vSphere Lifecycle Manager images, only two hosts are
required, matching this
two-host scenario. Fibre Channel over Ethernet is not the appropriate supported
principal storage
option in this VCF storage model. Therefore, NFS v3 uses the existing network
capability, avoids new
hardware spend, and aligns with the supported VCF principal storage model.
Reference topics:
Principal Storage, NFS Storage Model, VI Workload Domain Storage, Fibre Channel
Prerequisites.
Question: 3
DRAG DROP
A VMware Cloud Foundation (VCF) Workload Domain is requested to be deployed with
the following information:
. 6 blade style hosts with no local storage beyond the operating system.
. 4 25 Gb networking cards installed in each host.
. A 30 TB external array configured to support NVMe/TCP only.
. 2 dVS switches, one configured for storage isolation and one for all other
traffic.
. NVMe/TCP multi-path configuration required.
. Existing Management Domain is deployed with VCF.
Place the steps for importing VCF on to this configuration.
Answer:
Explanation:
Deploy ESX at 9.x
Deploy vCenter 9.x
Create Storage and General dvS
Configure VMkernel Binding for the NVMe over TCP Adapter
Add Software NVMe over TCP Adapters
Import the workload domain to VCF
The correct sequence starts by preparing the vSphere environment that will later
be imported into
VMware Cloud Foundation. ESX 9.x must be deployed first on the six blade hosts
because the hosts
provide the compute foundation for the workload domain. After the hosts are
available, vCenter 9.x
is deployed to manage the cluster and provide the required vSphere inventory.
The two distributed
switches are then created: one for storage isolation and one for general host
and workload traffic.
Because the external array supports NVMe/TCP only and multipathing is required,
VMkernel binding
must be configured for the NVMe over TCP adapter before the software NVMe over
TCP adapters are
added. This ensures the NVMe/TCP storage paths are correctly associated with the
intended storage
network. After the software NVMe over TCP adapters are created and the hosts can
access the
external storage, the prepared workload domain can be imported into the existing
VCF environment.
Reference topics: NVMe over TCP Configuration, VMkernel Binding, Software NVMe/TCP
Adapters,
Existing vCenter Import, VCF Workload Domain Import.
Question: 4
A storage administrator is being presented with the following VMware Cloud
Foundation (VCF) architectural details:
• The applications data will require 2.5 PB of capacity.
• The production applications will be hosting archival solutions and gateways.
• There will be some applications deployed for the purpose of testing and
development.
What is the optimal principal storage that the administrator can recommend?
A. vSAN ESA Storage Clusters
B. vSAN ESA
C. vSAN OSA - All Flash
D. vSAN OSA - Hybrid
Answer: A
Explanation:
vSAN ESA Storage Clusters are the optimal choice because the workload profile is
capacity-heavy and
benefits from disaggregated storage. The requirement for 2.5 PB of application
data, archival
workloads, gateways, and development/test applications indicates a need to scale
storage capacity
independently from compute resources. VMware Cloud Foundation describes a vSAN
storage cluster
as a disaggregated storage solution based on vSAN ESA. It provides storage
resources but not
compute resources, and its datastore can be mounted by vSAN compute clusters or
vSAN HCI
clusters. This model is designed for storage-dense environments where capacity
and performance
can be expanded without adding unnecessary compute. A standard vSAN ESA HCI
cluster is excellent
for high-performance workloads, but it scales compute and storage together. vSAN
OSA all-flash and
hybrid use the older disk-group architecture and are less suitable for this
large-capacity, storagecentric
design. Therefore, the principal storage recommendation should be vSAN ESA
Storage
Clusters to meet scalability, performance, and capacity growth requirements.
Reference topics: vSAN
Storage Cluster, Disaggregated Storage, vSAN ESA, Storage Models.
Question: 4
A storage architect is designing a VMware Cloud Foundation (VCF) Workload Domain
with the following requirements:
• vSAN File Services hosting multiple file shares.
• Each department requires distinct protection levels and placement rules.
Which option satisfies the requirements?
A. Create multiple IP Pools and bind each to a file server to be able to assign
different storage policies.
B. Separate file shares by creating individual File Service clusters per
department.
C. Make sure the file share server VMS are tied to a vSphere Compute Policy
during creation.
D. Assign different vSAN Storage Policies to each file share during creation.
Answer: D
Explanation:
Assigning different vSAN Storage Policies to each file share during creation
satisfies the requirement
because vSAN File Service allows each file share to be created with its own
storage policy. The Create
File Share workflow includes a Storage Policy selection, which controls how the
file share’s
underlying vSAN objects are protected and placed. This is the correct mechanism
when each
department requires distinct protection levels or placement rules. IP pools and
file server bindings
provide network endpoint capacity and service placement, but they do not define
the protection
level of file share data. Creating separate File Service clusters per department
is unnecessary and
operationally inefficient because file shares can be differentiated by policy
within the same File
Service deployment. vSphere Compute Policies influence compute placement, not
vSAN object
protection or file-share resilience. Therefore, the department-specific
requirement is fulfilled directly
by assigning the appropriate vSAN Storage Policy to each file share at creation
time. Reference
topics: vSAN File Service, Create File Share, Storage Policy, Placement and
Protection Rules.
Question: 5
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.)
A. RAID-I (Mirroring) 3 Failures.
B. RAID-I (Mirroring) 2 Failures.
C. No data redundancy.
D. RAID-6 (Erasure Coding) 2 Failures.
E. RAID-1 (Mirroring) 1 Failure.
F. RAID-5 (Erasure Coding) 1 Failure.
Answer: E, F
Explanation:
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.
Question: 6
An administrator is using an external Key Management Server (KMS) with a vSAN
Data-at-Rest Encryption cluster.
The KMS becomes temporarily unavailable.
What happens if a host without a Trusted Platform Module in the cluster is
rebooted during this outage?
A. The host starts in maintenance mode until it can communicate with the KMS.
B. The host fails to start because it cannot retrieve its encryption keys from
the KMS.
C. The host starts, but all encrypted storage devices remain unmounted until the
KMS becomes available.
D. The host starts normally using cached encryption keys and rejoins the vSAN
cluster.
Answer: C
Explanation:
When vSAN Data-at-Rest Encryption uses an external KMS, vCenter requests a Key Encryption Key
(KEK) from the KMS and stores only the key ID, not the key itself. ESX hosts use the KEK to decrypt
Student Reviews
Daniel M. - Canada: “The scenario-based practice helped me
understand the VCF storage objectives much better.”
Aisha K. - United Arab Emirates: “The vSAN ESA and OSA sections were
particularly useful during my preparation.”
Lukas R. - Germany: “The questions helped me identify gaps in my storage design
knowledge.”
Sofia P. - Spain: “The VCF 9.0 storage topics were organized clearly and were
easy to review.”
Michael T. - United Kingdom: “The practice material gave me a structured way to
revise before the exam.”
Arjun S. - India: “I found the storage sizing and configuration topics
especially helpful.”
Noah B. - Australia: “The troubleshooting scenarios made my study sessions more
practical.”
Yuki H. - Japan: “The vSAN architecture material was concise and useful for
revision.”
Omar A. - Saudi Arabia: “The VCF workload domain storage topics were explained
clearly.”
Emma L. - Netherlands: “The practice questions helped me focus on the areas
where I needed more study.”
Carlos V. - Mexico: “The storage architecture section was useful for connecting
theory with real environments.”
Fatima N. - Pakistan: “The exam-topic breakdown made it easier to organize my
preparation.”
Pierre D. - France: “I liked the focus on design, administration and
troubleshooting scenarios.”
Grace W. - Singapore: “The VCF 9.0 storage terminology and concepts were much
easier to review.”
Mateo G. - Brazil: “The structured practice approach helped me prepare more
systematically.”
10 Most Asked FAQs About 3V0-23.25 Exam
1. What is the 3V0-23.25 exam?
3V0-23.25 is the VMware Certified Advanced Professional – VMware Cloud
Foundation Storage exam for advanced VCF 9.0 storage skills.
2. What does 3V0-23.25 test?
It tests storage architecture, VCF storage solutions, storage design,
deployment, administration, troubleshooting and optimization.
3. How many questions are on the official exam?
Broadcom currently lists 60 questions and a 135-minute duration.
4. What is the passing score?
The listed passing score is 300 on a scaled score.
5. What is the difference between vSAN ESA and OSA?
Both are vSAN architectures, but they use different storage architectures and
capabilities. Candidates should understand their design characteristics and
appropriate use cases.
6. What storage types should I study?
Study vSAN, NFS, iSCSI, Fibre Channel and NVMe, including their use cases in VCF
environments.
7. What is principal storage in VCF?
Principal storage is storage used as the primary storage configuration for a VCF
workload domain or cluster.
8. What is supplemental storage?
Supplemental storage provides additional storage resources alongside the
principal storage configuration.
9. Does the exam cover vSAN stretched clusters?
Yes. Deploying a vSAN stretched cluster in a VCF Workload Domain is an explicit
exam objective.
10. Does 3V0-23.25 cover vSAN 2-node clusters?
Yes. Deployment of a vSAN 2-node cluster is specifically included in the
official objectives.
11. Is vSAN encryption covered?
Yes. Configuring vSAN encryption is included in the exam objectives.
12. Is vSAN File Service included?
Yes. Candidates should understand configuration of the vSAN File Service.
13. Does the exam cover vSAN iSCSI Target Service?
Yes. The official blueprint includes configuring the vSAN iSCSI Target Service.
14. Does VCF 9 support external storage?
Yes. Broadcom documents support for multiple external storage configurations in
VCF 9, including NFS and Fibre Channel, with additional storage configurations
available in relevant deployment/convergence scenarios.
15. What is the best way to prepare for 3V0-23.25?
Use the official exam guide as your primary syllabus, study the relevant VCF 9.0
documentation, practice scenario-based questions, and review design,
configuration and troubleshooting concepts rather than relying solely on
memorized answers.
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