Online Access Free VMware.3V0-23.25.v2026-08-01.q100 Practice Test (Page 16)

3V0-23.25 Exam Question 71

Which statement accurately defines the fundamental architectural difference in how Deduplication and Compression are implemented in vSAN Express Storage Architecture (ESA) compared to the legacy Original Storage Architecture (OSA)?

A.vSAN ESA merges Deduplication and Compression into a single hardware-offloaded process on the Top-of-Rack switches using DPUs, whereas OSA relied purely on ESXi CPU cycles.

B.vSAN ESA entirely deprecates the global Deduplication feature and shifts Compression to the top of the stack (DOM Client), compressing data *before* it is transmitted across the network.

C.vSAN OSA strictly applies compression at the virtual machine SCSI layer, while vSAN ESA applies it at the physical network switch layer.

D.vSAN OSA processes Deduplication and Compression synchronously during the initial write to the Cache tier, whereas ESA processes it asynchronously during destaging to the Storage Pool.

3V0-23.25 Exam Question 72

A Network Administrator is auditing capacity policies in a VCF 9.0 environment running vSAN Express Storage Architecture (ESA).
The administrator queries the SPBM configuration applied to the cluster's base operational objects.
```
[vSAN Cluster Config Output]
vSAN Default Storage Policy
Storage Pool: ESA-NVMe-Pool
Rule: OSR (Object Space Reservation) = Thin provisioning
```
Why is the "Object Space Reservation" policy fundamentally different in vSAN ESA compared to the legacy vSAN OSA, and what specific objects still require reservations? (Select all that apply.)

A.ESA strictly requires OSR=100% when standard Deduplication is enabled.

B.In vSAN ESA, user data (VMDKs) is ALWAYS strictly Thin Provisioned; the OSR UI option to reserve capacity for VM payload data has been completely deprecated due to the new log- structured metadata mapping.

C.In OSA, Thick Provisioning allocated the raw physical sectors on the SATA drive; in ESA, Thick Provisioning pre-allocates NVMe memory pages, guaranteeing zero network congestion.

D.The log-structured nature of ESA writes data in append-only sequential stripes; it is mathematically impossible to "reserve" a specific physical sector before it is actually written, rendering traditional OSR definitions obsolete for block data.

E.OSR=100% can still be applied in ESA, but ONLY to the specific "VM Home Namespace" object to ensure swap files and config files have guaranteed allocation during HA events.

3V0-23.25 Exam Question 73

A Compliance Auditor is reviewing the encryption and data-efficiency settings of a large VCF 9.0 environment. The environment contains a legacy VI Workload Domain running vSAN OSA, configured with strict data security and capacity optimization.
```
[Storage Policy View]
vSAN Cluster: Legacy-OSA-01
Data-at-Rest Encryption: Enabled (KMS Validated)
Deduplication and Compression: Enabled (All-Flash)
```
End users are complaining that application response times are sluggish during daily data ingestion windows, and vCenter alarms show ESXi CPU utilization at >95%.
How do the advanced data services in the OSA architecture contribute directly to this CPU saturation and resulting DOM congestion? (Select all that apply.)

A.Deduplication hash tables are offloaded to the physical Top-of-Rack switches in VCF, meaning the ESXi CPU is a false indicator of the storage bottleneck.

B.The integration of Deduplication and Encryption is natively incompatible in OSA; the hypervisor must decrypt the data first, dedup it, and then re-encrypt it, causing a double-tax on the CPU.

C.Disabling Deduplication and Compression on this specific cluster would immediately relieve the CPU bottleneck, allowing the data to stream to the NVMe drives as raw blocks.

D.If the CPU is pegged at 100% processing the Dedup hashes, the storage subsystem slows down, triggering DOM client congestion and causing the VM latency the end users are experiencing.

E.In OSA, data must be compressed, deduped, and encrypted synchronously in the data path.
Ingesting new data requires the CPU to execute SHA-1 hashing against the massive in-memory hash tables to find duplicates, consuming extreme amounts of CPU cycles.

3V0-23.25 Exam Question 74

An Infrastructure Manager is planning to scale out a massive VCF 9.0 Workload Domain. The target host utilizes a dense storage configuration with multiple physical storage controllers.
[Architecture Diagram: Dense Storage Host]
- Controller 1: Adaptec SmartRAID 3154 (Pass-Through) -> 8x SAS HDD
- Controller 2: Broadcom 3908 (Hardware RAID-0) -> 8x SATA SSD
- Direct PCIe Bus: 2x NVMe Drives
Which of the following statements correctly evaluate how the vSAN validation logic processes this specific dense hardware topology during the SDDC Manager commissioning phase? (Select all that apply.)

A.SDDC Manager will intelligently pair the 2x NVMe drives as Cache and the 8x SATA SSDs as Capacity to form an All-Flash vSAN OSA cluster, ignoring the HDD controller.

B.Validation will fail because vSAN strictly prohibits mixing different storage controller vendors (Adaptec and Broadcom) inside the same ESXi host.

C.The presence of SAS HDDs permanently disqualifies the host from SDDC Manager, as VCF requires all storage to be 100% flash.

D.Validation will immediately fail on Controller 2 because vSAN strictly requires Host Bus Adapters (HBAs) to run in Pass-Through (JBOD) mode; Hardware RAID-0 creates a false single-disk abstraction that blinds vSAN to physical disk health.

E.If the host is targeted for vSAN ESA, the 8x SAS HDD and 8x SATA SSD drives will be completely ignored, and SDDC Manager will only validate the 2x NVMe drives connected to the PCIe bus.

3V0-23.25 Exam Question 75

A Compliance Auditor is reviewing the Storage Policy Based Management (SPBM) settings for a vSAN 2-Node Cluster deployed at a retail edge location.
```
[Storage Policy Rule Set: Retail-POS-VMs]
Site disaster tolerance: Dual site mirroring (Stretched Cluster)
Failures to tolerate: [ ? ]
```
The local node configuration consists of two Dell R650 servers with 4 NVMe drives each.
What is the correct and compliant Failures to tolerate (local protection) setting for this specific 2- Node environment, and why? (Select all that apply.)

A.The local FTT must be set to "1 failure - RAID-5" to maximize the storage capacity of the small 4- drive NVMe setup.

B.The local FTT MUST be set to "No Data Redundancy" (FTT=0). A standard 2-node cluster has only one host per "site" (Fault Domain). You cannot configure local RAID-1 or RAID-5 because there are no other local hosts to mirror the data to.

C.The system allows FTT=2 local mirroring because vSAN ESA can stripe objects across the multiple PCIe bus lanes inside a single host.

D.Data redundancy is achieved entirely by the "Site disaster tolerance" rule, which mirrors the data from Node 1 to Node 2 across the direct connect link, tolerating the failure of one entire physical node.

E.2-Node clusters require local FTT=1 (RAID-1) to ensure the Witness Appliance can replicate the metadata to the secondary host.

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3V0-23.25 Exam Question 71

3V0-23.25 Exam Question 72

3V0-23.25 Exam Question 73

3V0-23.25 Exam Question 74

3V0-23.25 Exam Question 75

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