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| Section | Objectives |
|---|---|
| Topic 1: Architecting and Designing VMware Cloud Foundation Storage | - Storage architecture concepts in VMware Cloud Foundation
|
| Topic 2: Implementing and Configuring Storage in VMware Cloud Foundation | - External storage integration
|
| Topic 3: Operations and Lifecycle Management | - Storage monitoring and troubleshooting
|
Fast2testソフトウェア教材を練習するのに20〜30時間しかかからず、試験に参加できます。 時間と労力はほとんどかかりません。 3V0-23.25試験問題は習得しやすく、重要な情報の内容を簡素化します。 3V0-23.25テストガイドは、より重要な情報と回答と質問の量を伝えるため、受験者の学習は簡単で非常に効率的です。 そのため、学習者が3V0-23.25ガイドトレントを習得して、短時間で3V0-23.25試験に合格すると便利です。
質問 # 15
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?
正解：B
解説：
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.
質問 # 16
A Storage Administrator is performing post-migration health checks after upgrading a Workload Domain from vSAN OSA to vSAN ESA. The legacy OSA cluster heavily relied on Deduplication to meet capacity requirements.
The administrator pulls the vmkernel.log and observes the compression statistics for the ESA storage pool.
```
2026-11-20T10:15:22Z INFO vsan-lsom - Object 5543... enabling compression.
2026-11-20T10:15:35Z INFO vsan-dom - Write I/O (4KB) compressed to 1KB. Network transmit: 1KB.
2026-11-20T10:15:45Z INFO vsan-crypto - Encrypting 1KB payload.
2026-11-20T10:16:00Z INFO vsan-lsom - Storage Pool capacity update: Total logical written 100TB, Physical consumed 40TB.
```
The administrator is concerned that the loss of "Deduplication" in ESA will cause the cluster to run out of physical space.
How does the log data and the deep architectural fusion of ESA features resolve the administrator's concern? (Select all that apply.)
正解：B、C、D
質問 # 17
A VCF Deployment Specialist is integrating a pre-existing 100 TB NFS v3 NAS array into a new VI Workload Domain via the SDDC Manager API.
The specialist prepares the JSON payload for the cluster creation.
```
# SDDC Manager API Payload (NFS Supplemental Storage)
{
"clusterName": "Legacy-NAS-Cluster",
"datastoreSpec": {
"datastoreType": "NFS",
"nfsSpec": {
"serverName": "192.168.100.50",
"shareName": "/vol/archive_data",
"readOnly": false
}
},
"hostSpecs": [ ... ]
}
```
Which statement accurately defines the operational role and limitation of this NFS datastore within the VCF automated lifecycle?
正解：B
質問 # 18
A VMware Cloud Foundation (VCF) environment runs mixed workloads (Online Transaction Processing (OLTP) + analytics), with the following vSAN configuration:
* 8 hosts (all-flash), ESA enabled.
* Each host: 2 x 3.2 TB NVMe devices.
* Compression is Enabled.
* Checksum is Enabled.
* Storage Policy: FTT=1 (RAID-5/6), Failures to Tolerate = 1 and Object Space Reservation = 0%.
During peak OLTP load, vSAN resync I/O and backend congestion increase latency despite having sufficient network bandwidth.
What is the direct action the administrator can perform to improve write performance while maintaining data protection compliance?
正解：A
解説：
The direct action is to convert the latency-sensitive OLTP workload policy from RAID-5/6 erasure coding to RAID-1 mirroring while keeping FTT=1. RAID-5/6 provides space efficiency, but it introduces parity operations and additional backend I/O, which can increase write latency during peak transactional activity and resynchronization. VMware states that RAID-1 mirroring requires fewer I/O operations to the storage devices and can provide better performance; cluster resynchronization also completes faster with RAID-1. This directly addresses the observed symptom: resync I/O and backend congestion increasing latency despite adequate network bandwidth. Increasing Object Space Reservation to 100% changes capacity preallocation but does not remove parity overhead or reduce write amplification from erasure coding. Increasing FTT to 2 with RAID-5/6 would increase protection overhead and backend work, making latency worse. Disabling checksums is not valid for ESA because object checksum is always enabled and cannot be deactivated. For ESA, compression can be controlled by policy, but the most direct protection-compliant performance action is RAID-1 FTT=1 for OLTP objects. Reference topics: vSAN Storage Policies, RAID-1 Mirroring, RAID-5/6 Erasure Coding, vSAN ESA Checksum, Resync and Congestion Metrics.
質問 # 19
A SOC Analyst is investigating an SDRS anomaly in a traditional storage VCF Workload Domain. A
10 TB Datastore (DS-01) within a Datastore Cluster reached 95% capacity. Storage DRS is set to "Fully Automated" with a Space Utilization Threshold of 80%.
Despite the critical space exhaustion, SDRS failed to trigger any Storage vMotion operations to evacuate VMs to DS-02 (which has 8 TB free space).
The analyst reviews the vpxd.log:
```
2026-11-22T10:00:15Z INFO vpxd - [SDRS] Running space load balancing for Datastore Cluster 'WLD- Tier1-DS-Cluster'.
2026-11-22T10:00:15Z WARN vpxd - [SDRS] Datastore 'DS-01' exceeds space threshold (95% > 80%).
2026-11-22T10:00:16Z INFO vpxd - [SDRS] Analyzing VM 'Archive-DB-01' for evacuation. VM size: 4 TB.
2026-11-22T10:00:17Z WARN vpxd - [SDRS] Target 'DS-02' violates capability constraints for VM
'Archive-DB-01'. Migration aborted.
2026-11-22T10:00:18Z INFO vpxd - [SDRS] No candidates found to resolve space threshold on 'DS-01'.
```
Based on SDRS mechanics and the log evidence, which TWO scenarios explain why SDRS aborted the migration? (Choose 2.)
正解：A、E
質問 # 20
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