Online Access Free VMware.3V0-23.25.v2026-08-01.q100 Practice Test (Page 14)

3V0-23.25 Exam Question 61

A VCF Architect is calculating the performance TCO (Cost per IOPS) difference between upgrading a legacy SAN environment and deploying a new vSAN ESA HCI Cluster.
The architect examines the log output during a simulated application stress test that saturated the backend capabilities of both topologies.
```
[Log Analysis: vpxd.log - Congestion Events]
# Traditional SAN Cluster
2026-12-01T10:00:15Z WARN vpxd - [Storage] Datastore 'SAN-Tier1' queue
depth 64/64 full. Host I/O delayed.
# vSAN ESA Cluster
2026-12-01T10:15:22Z WARN vpxd - [vSAN] Component congestion on ESXi-
08. vSAN DOM applying localized backpressure.
2026-12-01T10:15:23Z INFO vpxd - [vSAN] DRS migrating VM 'App-DB' to
ESXi-02 to access uncongested storage path.
```
How does the HCI Operational Model provide a TCO and performance advantage for handling extreme utilization peaks, as demonstrated in this log? (Select all that apply.)

A.In a 3-tier SAN, the LUN queue is a rigid choke point; scaling performance requires physically upgrading the SAN controllers. In HCI, the queue is distributed across all NVMe drives on all hosts, naturally providing massively higher aggregate queues.

B.The operational cost of expanding the "queue depth" in HCI is effectively zero because it scales automatically as physical hosts and NVMe drives are added to the environment.

C.HCI allows performance troubleshooting to leverage standard compute resources. If an HCI host is congested, vSphere DRS can simply vMotion the VM to another host with available storage and compute cycles.

D.Traditional SANs cannot use vMotion to resolve storage congestion because the storage bottleneck is centralized at the array level, impacting all hosts connected to that LUN.

E.The ESA log output indicates a failure of the Deduplication engine, which forces the system to buy additional software licenses to process the I/O.

3V0-23.25 Exam Question 62

An Infrastructure Manager is sizing the "Operations Reserve" for a VCF 9.0 Workload Domain.
The developers plan to use vSAN Data Protection with highly aggressive snapshot schedules for their CI/CD pipelines (e.g., snapshots every 15 minutes, retaining 48 hours).
```
[SDDC Manager - Capacity Configuration]
Default vSAN Thresholds
Host Rebuild Reserve: 15% (Enabled)
Operations Reserve: 5% (Customized)
```
Historically, the manager lowered the Operations Reserve to 5% to grant more capacity to VMs.
How does the interaction of heavy snapshot activity and this customized Operations Reserve directly impact the cluster's stability and performance? (Select all that apply.)

A.The system will fail to delete older snapshots when the retention limit is reached if the Operations Reserve is full, causing the datastore to rapidly fill to 100%.

B.vSAN ESA snapshots do not consume Operations Reserve space because they are log- structured B- tree pointers, making the 5% setting perfectly safe.

C.Deep snapshot chains generate significant metadata overhead; when background snapshot deletions occur, they consume temporary staging space which can quickly exhaust a 5% Operations Reserve.

D.If the Operations Reserve is exhausted by snapshot consolidation overhead, vSAN will throttle incoming VM write I/O to zero to prevent datastore corruption.

3V0-23.25 Exam Question 63

A CTO is auditing the billing and licensing model for a new VCF 9.0 environment. The environment consists of a standard vSAN ESA cluster (hyper-converged) and a centralized vSAN Max cluster (Disaggregated storage-only).
```
[UI - vSAN Performance View > Licensing Status]
Cluster A (vSAN ESA - HCI): 16 Hosts, 512 Cores, 200 TiB
Cluster B (vSAN Max - Storage Only): 8 Hosts, 256 Cores, 1 PiB
```
Which statement accurately defines the fundamental difference in how these two VCF architectures consume vSAN license entitlements?

A.Both clusters consume the exact same "per-core" VMware Cloud Foundation (VCF) subscription license model, meaning the 1 PiB of storage in Cluster B incurs no additional capacity costs.

B.Cluster A (HCI) is licensed traditionally per CPU core (VCF Subscription), whereas Cluster B (vSAN Max) abandons the core metric and is licensed strictly on a "per-TiB of raw capacity" subscription model.

C.vSAN Max requires a specialized hardware DPU license for the Top-of-Rack switches, whereas ESA uses software-only keys.

D.The compute nodes mounting the vSAN Max cluster must double their VCF license consumption to cover the remote storage array connectivity.

3V0-23.25 Exam Question 64

A VCF Architect is designing a new vSAN Express Storage Architecture (ESA) cluster. The architect is comparing how Objects and Components are handled in the new ESA log-structured filesystem compared to the legacy VMFS-L block structure of vSAN OSA.
```
[Log Snippet: vmkernel.log - vSAN ESA Component Instantiation]
2026-11-20T10:00:00Z INFO vsan-lsom - Object 5543... placed on Storage
Pool (NVMe namespace).
2026-11-20T10:00:01Z INFO vsan-dom - Snapshot created. B-Tree metadata
updated. Zero delta components generated.
```
Which of the following statements accurately describe the evolution of Object and Component mechanics in vSAN ESA? (Select all that apply.)

A.ESA Native Snapshots update the object's B-Tree metadata directly, meaning a snapshot no longer generates a new physical SEsparse "Delta Component" object, vastly reducing component bloat and VM Stun time.

B.ESA eliminates the 255 GB physical component size limit, allowing a single 62 TB VMDK to exist as a single physical NVMe component.

C.In ESA, standard VMDK objects are converted into Raw Device Mappings (RDMs) that bypass the DOM layer to achieve NVMe line-rate speeds.

D.In ESA, components are no longer bound by the rigid "Disk Group" construct; components span the unified NVMe Storage Pool, allowing the loss of a single NVMe drive to degrade only the components on that drive, rather than failing the entire pool.

E.ESA enables highly efficient Erasure Coding (RAID-5/6) at native RAID-1 performance, meaning architects can configure component layouts using fewer components for parity without sacrificing IOPS.

3V0-23.25 Exam Question 65

A Compliance Auditor is tracking the success of an automated "Shallow Rekey" task scheduled across a massive VCF 9.0 multi-cluster environment. The task failed on a specific vSAN Stretched Cluster.
```
[Skyline Health > vSAN > Encryption Health]
Status: Warning
Message: "KMS Server unreachable on Host esx-04. Rekey Aborted."
[Architecture Details]
esx-04 is part of the Secondary Site. The Inter-Site Link is currently
DOWN (Partition).
```
How does the vSAN encryption architecture prevent data loss and split-brain when a Rekey operation hits a partitioned cluster? (Choose 2.)

A.esx-04 will automatically fallback to the local Witness appliance to generate a temporary KEK until the network is restored.

B.The Shallow Rekey operation is strictly an atomic transaction; if esx-04 cannot reach the KMS to receive the new Key Encryption Key (KEK), the vCenter master node rolls back the KEK on all other hosts to ensure cluster-wide key consistency.

C.esx-04 will instantly cryptographically shred its local drives to prevent data compromise during the network partition.

D.Even though the Rekey failed, the virtual machines on the surviving site remain fully operational because the ESXi hosts maintain the *current* KEK cached in their secure RAM, requiring no active KMS connection to serve I/O.

E.The DOM Client forces esx-04 to perform a Deep Rekey using the vSphere TPM chip to bypass the KMS outage.

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3V0-23.25 Exam Question 61

3V0-23.25 Exam Question 62

3V0-23.25 Exam Question 63

3V0-23.25 Exam Question 64

3V0-23.25 Exam Question 65

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