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VMware 3V0-23.25 Exam Syllabus Topics:

Section	Weight	Objectives
Integration and Automation	20%	- Automate storage provisioning and management tasks - Use APIs and command-line tools for storage management - Integrate storage components with other VMware Cloud Foundation services
Storage Optimization and Troubleshooting	25%	- Monitor and optimize storage performance and capacity - Perform health checks and implement remediation - Troubleshoot common storage issues in VMware Cloud Foundation
Storage Configuration and Management	30%	- Configure and manage vSAN in a VMware Cloud Foundation environment - Implement and manage storage policies - Manage data services (deduplication, compression, encryption)
Storage Architecture and Design	25%	- Plan for storage capacity, performance, and availability requirements - Design vSAN storage solutions for VMware Cloud Foundation - Integrate external storage arrays with VMware Cloud Foundation

>> 3V0-23.25対応受験 <<

3V0-23.25試験の準備方法｜一番優秀な3V0-23.25対応受験試験｜効果的なAdvanced VMware Cloud Foundation 9.0 Storage合格率書籍

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VMware Advanced VMware Cloud Foundation 9.0 Storage 認定 3V0-23.25 試験問題 (Q17-Q22):

質問 # 17
A VCF Deployment Specialist is explaining the I/O path of a write operation in a new vSAN ESA cluster to a junior administrator.
```
[Architecture Diagram Concept]
VM (Guest OS) -> vSCSI -> [ ? ] -> Network -> [ ? ] -> Physical NVMe Drive
```
The specialist must fill in the missing architectural components to show how a write propagates from the compute layer to the storage layer.
Which combination correctly completes the I/O path for a write operation originating on Host A but destined for a replica on Host B?

A. DOM Client (Host A) -> Network -> DOM Owner (Host B) -> LSOM (Host B)
B. LSOM (Host A) -> Network -> CLOM (Host B) -> DOM Owner (Host B)
C. DOM Owner (Host A) -> Network -> LSOM (Host B) -> DOM Client (Host B)
D. CLOM (Host A) -> Network -> DOM Client (Host B) -> LSOM (Host B)

正解：A

質問 # 18
A storage architect has been called into a meeting with the accounting team who is trying to determine why
20% of their raw capacity is not available for consumption. Their vSAN cluster was created with the following characteristics:
* 2 x 2 TB NVMe disks in 6 hosts in their vSAN cluster.
* FTT=1, RAID-1 for the default policy.
* Host Rebuild Reserve not activated for this cluster.
Which two items should the Architect say accounts for most of the unusable capacity? (Choose two.)

A. Host upgrade overhead
B. Operational Reserve (policy changes, rebalancing, data movement)
C. RAID Overhead
D. Encryption overhead
E. VM swap overhead

正解：B、C

解説：
The two major contributors are RAID overhead and Operational Reserve. With the default policy set to FTT=1 using RAID-1 mirroring, vSAN stores two copies of protected data. The capacity planning guidance states that when Failures to tolerate is set to 1 failure with RAID-1 mirroring, virtual machines can use about
50 percent of raw capacity because each object consumes mirrored space. This is the largest capacity- impacting factor. The second contributor is Operational Reserve, which reserves capacity for vSAN internal operations such as policy changes, rebalancing, object movement, and other transient storage activities. Even when Host Rebuild Reserve is not activated, vSAN capacity monitoring still accounts for the operations threshold/reserve needed to keep the cluster functional during internal activity. Encryption overhead is typically not the primary reason for a 20% capacity difference. Host upgrade overhead is not a vSAN capacity category. VM swap can consume capacity, but it does not normally account for most unavailable raw capacity compared with RAID mirroring and operational reservation. Reference topics: vSAN Capacity Planning, RAID-1 FTT=1 Capacity Impact, Operations Reserve, Reserved Capacity.

質問 # 19
An Operations Engineer is attempting to expand a VCF 9.0 Workload Domain by adding a new ESXi host via the SDDC Manager UI.
```
[SDDC Manager - Pre-Check Validation]
Status: FAILED
Error Code: VSAN_HEALTH_CHECK_FAILED
Details: "Network Performance Proactive Test detected bandwidth below
threshold."
[UI - SDDC Manager Capacity View]
Current Cluster: 3 Hosts (75% Consumed)
Target: Add esx-04
```
Why does SDDC Manager explicitly execute and mandate the "vSAN Network Performance Test" before allowing a new host to join the live cluster? (Choose 2.)

A. The test injects multicast traffic to measure the switch buffer depth; if the switch drops packets, the host is deemed unsuitable for Stretched Clustering.
B. SDDC Manager treats vSAN as the core infrastructure backbone; adding a host with a degraded network link (e.g., faulty SFP negotiating at 1GbE instead of 25GbE) would destabilize the existing quorum.
C. The test calculates the deduplication savings on the new host to ensure it matches the existing capacity.
D. The Proactive Network test verifies that the new host's physical bandwidth can actually support the background resync (rebalance) that will immediately trigger when the 4th host is added to the
75% full cluster.
E. The test runs a physical memory scan on the new host to determine if it can run vCenter.

正解：B、D

質問 # 20
A Cloud Administrator is integrating a third-party Backup solution with a vVols-backed VCF cluster.
The goal is to perform crash-consistent backups with minimal stun time for the production VMs.
The storage team created an advanced array-side feature definition that is pushed to vCenter via the VASA Provider.
```
# SPBM Policy: "vVol-Backup-Optimized"
capabilities:
vvol:
array.snapshots: true
array.fast_clone: true
ruleSet:
IOPS_Limit: 50000
```
How do vVols, VASA, and SPBM integrate to fulfill this backup requirement during the daily backup window? (Select all that apply.)

A. The integration practically eliminates the "VM stun" period that occurs during snapshot consolidation in traditional VMFS datastores.
B. The array.fast_clone capability allows the backup software to export the vVol data directly over the management network without mounting it to an ESXi host.
C. When the backup software triggers a snapshot, vCenter uses VASA to instruct the physical array to create a hardware snapshot of the specific vVol, bypassing the ESXi storage stack entirely.
D. Because vVols represent individual VMDKs on the array, the array can snapshot just the single VM's data, unlike VMFS where array snapshots must capture the entire 10 TB LUN containing dozens of VMs.

正解：A、C、D

質問 # 21
A VCF Architect is using SDDC Manager to create a VI Workload Domain that will immediately be configured as a vSAN Stretched Cluster.
To achieve this, the architect must coordinate the baseline Workload Domain creation with the specific Stretched Cluster network prerequisites. The architect reviews the prepared configuration:
```
[Network Configuration - WLD-03]
vSAN Network Segment (Site A): 192.168.10.0/24 (MTU 9000)
vSAN Network Segment (Site B): 192.168.20.0/24 (MTU 9000)
Witness Network Segment: 192.168.100.0/24 (MTU 1500)
Static Routes: Site A/B vSAN networks <-> Witness network
License: vSAN Enterprise Applied
```
Which of the following actions and configurations are REQUIRED to successfully integrate the SDDC Manager workflow with the Stretched Cluster deployment? (Select all that apply.)

A. The vSAN License assigned during the Workload Domain creation must be 'vSAN Enterprise' or higher to support the Stretched Cluster topology.
B. The VI Workload Domain must first be deployed as a standard single-site cluster in SDDC Manager before it can be converted into a Stretched Cluster via day-2 operations.
C. The Witness Appliance must be imported and registered into SDDC Manager inventory prior to running the Workload Domain creation wizard.
D. The vSAN Network Segment (Site B) must be placed on a separate Layer 2 VLAN from Site A, meaning static routes must be configured on the hosts for cross-site vSAN communication.

正解：A、B、D

質問 # 22
......

どのようにVMware　3V0-23.25試験に準備すると悩んでいますか。我々社の3V0-23.25問題集を参考した後、ほっとしました。弊社の3V0-23.25ソフト版問題集はかねてより多くのIT事業をしている人々は順調にVMware　3V0-23.25資格認定を取得させます。試験にパースする原因は我々問題集の全面的で最新版です。

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