Free Access VMware.3V0-23.25.v2026-09-17.q73 Practice Test (Page 4)

Question 11

A SOC Analyst is engaged after a VCF SDDC Manager automated capacity alert triggered at
2:00 AM.
```
[SDDC Manager - Workload Domain Threshold Alert]
Cluster: WLD01-Cluster
vSAN Consumed: 83%
Host Rebuild Reserve: Breached
Action Initiated: Proactive Write Throttling
[Architecture Diagram Snapshot]
4-Node vSAN OSA All-Flash Cluster.
No physical disks have failed. No maintenance windows are active.
```
How does the interaction between the cluster topology size and the "Host Rebuild Reserve" logic explain this capacity breach, and what are the operational impacts? (Select all that apply.)

A.Proactive Write Throttling deliberately introduces extreme latency to incoming VM write requests (backpressure) to prevent the cluster from hitting 100% and completely locking up.

B.The Rebuild Reserve logic only applies to clusters larger than 8 nodes; this alert is a false positive generated by a misconfigured SDDC Manager profile.

C.To resolve this without deleting data, the analyst must initiate the "Scale-Out" workflow in SDDC Manager to add a 5th host, which recalculates the Host Rebuild Reserve from 25% down to 20%.

D.In a small 4-node cluster, the Host Rebuild Reserve must reserve exactly 25% of the total capacity (equivalent to one entire host) to ensure FTT=1 data can be rebuilt if a host dies.

E.Because 83% + 25% reserve > 100%, the cluster has mathematically run out of space to tolerate a host failure, triggering the breach alert despite having 17% absolute free space on the drives.

Question 12

An L3 Support Engineer is troubleshooting a momentary loss of the Inter-Site Link (ISL) between Site A and Site B in a vSAN Stretched Cluster.
The link was down for 5 minutes and then restored. During the outage, VMs running on Site A continued to accept user write data.
```
[Log Analysis: vpxd.log - ISL Recovery]
2026-11-20T10:05:00Z WARN vpxd - [vSAN] ISL Link Down. Site B partition detected.
2026-11-20T10:05:01Z INFO vpxd - [vSAN] Quorum Check: Site A + Witness = ACTIVE. Site B = STALE.
2026-11-20T10:10:00Z INFO vpxd - [vSAN] ISL Link Restored.
2026-11-20T10:10:05Z INFO vpxd - [vSAN] Initiating DOM Delta Resync for 500 degraded objects.
```
How does the "Site Disaster Tolerance" logic natively heal the cluster following this outage without requiring the 50 TB datastore to be fully re-cloned? (Select all that apply.)

A.Upon ISL restoration, vSAN performs a "Delta Resync." It uses the DOM metadata to identify EXACTLY which blocks changed during the 5-minute outage, and transmits only those specific blocks to Site B.

B.During the ISL outage, Site A retained Quorum (Site A + Witness). The DOM continued writing data to Site A, incrementing the Configuration Sequence Number (CSN).

C.Site B's components were marked as "Stale" because they missed the writes during the 5-minute outage and held an older CSN.

D.The Delta Resync requires the VMs on Site A to be placed into a "VM Stun" state (paused) until Site B catches up to prevent dirty writes.

E.The Site B hosts must be manually rebooted by the engineer to clear the "Stale" flag from the LSOM directory.

Question 13

A Solutions Architect is designing a vSAN ESA Stretched Cluster for a manufacturing client.
Context and background:
The client operates two production facilities (Site-A and Site-B) located 5 kilometers apart with a
25 Gbps inter-site fiber link.
Specific requirements or constraints:
1. Critical SQL workloads must have an RPO of 0 and an RTO of < 5
minutes if either facility burns down.
2. Usable storage capacity must be maximized within the available
budget.
3. Write-intensive workloads generate up to 20,000 IOPS and are
extremely sensitive to backend latency.
Current state or problem description:
The architect must select the optimal Stretched Cluster fault domain mapping and storage policy configuration to balance capacity efficiency, site-resiliency, and write performance.
Which of the following design decisions correctly address the multi-factor trade-offs in this scenario? (Select all that apply.)

A.Provision high-performance NVMe drives in the vSAN ESA storage pools to offset the latency penalty incurred by synchronous inter-site writes.

B.Designate Site-A as the Preferred fault domain and the Witness Appliance as the Secondary fault domain to reduce ISL bandwidth consumption.

C.Implement 'Dual Site Mirroring' at the site level to satisfy the RPO=0 requirement between the facilities.

D.Apply 'RAID-5 (Erasure Coding)' for local protection within Site-A and Site-B to maximize usable storage capacity.

Question 14

Which statement accurately defines the architectural distinction between a "First Class Disk" (FCD) and a traditional vSphere Virtual Machine Disk (VMDK)?

A.A traditional VMDK supports Storage Policy Based Management (SPBM), whereas an FCD relies on Kubernetes StorageClasses for its redundancy rules.

B.An FCD is a first-class named object in vCenter that possesses its own independent lifecycle and identity, decoupling it from any specific virtual machine.

C.An FCD does not utilize the vSAN Distributed Object Manager (DOM) for I/O routing; it uses the Container Storage Interface (CSI) directly.

D.An FCD is provisioned exclusively on physical NVMe namespaces, while traditional VMDKs are provisioned on VMFS block storage.

Question 15

A VCF Architect is designing a site disaster recovery strategy for a retail client operating a vSAN Stretched Cluster.
The client's network team has imposed strict limitations on inter-site traffic, noting that the Inter- Site Link (ISL) occasionally drops packets under heavy load. The storage policy is configured with
"Dual Site Mirroring" and "Secondary FTT=1 (RAID-1)".
The architect is concerned about how a network partition (ISL failure) interacts with this storage policy regarding object accessibility and capacity planning.
Which of the following statements accurately describe the interaction between the network partition mechanics and the storage policy constraints? (Select all that apply.)

A.The 'Secondary FTT=1 (RAID-1)' rule ensures that workloads on the isolated Secondary site can remain active by consuming the local replica copy without needing the Witness.

B.A flapping network partition on the ISL could trigger a "Witness bandwidth exhaustion" event if the cluster frequently splits and merges, causing metadata resync storms.

C.If a network partition isolates the Secondary site from both the Preferred site and the Witness, the Secondary site's replica components will transition to the 'Inaccessible' state.

D.The Dual Site Mirroring policy implicitly relies on the Unicast agents maintaining connectivity to the Witness appliance to establish a quorum (>50% of votes) during an ISL failure.

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Question 11

Question 12

Question 13

Question 14

Question 15

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