3V0-21.23 Exam Preparation Material | VMware vSphere 8.x Advanced Design

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Prepare for the 3V0-21.23 VMware vSphere 8.x Advanced Design exam with CertQueen's independently developed study resources. Review important concepts, practice scenario-based questions, and use clear explanations to identify areas that require further study.

Question#1

A company has the requirement to ensure that business-critical applications have the necessary network bandwidth to function optimally and maintain a consistent quality of service (QoS).
Which statement would be included in the conceptual design to support this requirement?

A. A distributed switch will be created and Network I/O Control will be enabled.
B. The network infrastructure must ensure secure communications and efficiently use available bandwidth.
C. Network resource pool named "bca-pool-02" is given a reservation quota of 5 Gbit/sec.
D. The distributed switch will use a minimum of 25 Gbps Ethernet.

Explanation:
This statement supports the requirement for ensuring that business-critical applications have the necessary network bandwidth and maintain consistent quality of service (QoS). By creating a distributed switch and enabling Network I/O Control, you can prioritize network traffic and ensure that the necessary bandwidth is allocated to critical applications, improving their performance and quality of service.

Question#2

Which four factors should an architect consider when calculating the number of hosts required for a new multi-site vSphere-based solution that utilizes external storage? (Choose four.)

A. The workload profile (CPU and memory) of each workload
B. The amount of resources required for virtual machine (VM) swap and VM snapshots
C. The number of existinq workloads that will be decommissioned prior to the completion of project
D. The number of existinq workloads that will be miqrated onto the new solution
E. The number of network connections per physical host server
F. The future physical location of any workloads
G. The hardware specification of the underlying infrastructure

Explanation:
The workload profile (CPU and memory) of each workload
Understanding the CPU and memory requirements for each workload is crucial for determining the capacity needed on each host. This helps ensure that each host has sufficient resources to run the virtual machines (VMs) efficiently.
The amount of resources required for virtual machine (VM) swap and VM snapshots
VM swap files and snapshots require additional storage and compute resources. It's important to account for these resource requirements to avoid overloading the hosts or running into resource bottlenecks.
The number of existing workloads that will be migrated onto the new solution
Knowing how many workloads will be migrated allows the architect to estimate the total resource demand and determine the number of hosts required to support the migrated workloads effectively.
The hardware specification of the underlying infrastructure
The hardware specifications of the hosts, including the CPU, memory, storage, and network interfaces, play a significant role in determining how many hosts are needed to support the workloads. More powerful hardware may reduce the number of hosts required, while less capable hardware might increase the number needed.

Question#3

What are two benefits of the VMware Validated Solutions? (Choose two.)

A. Provide prescriptive runbooks to deploy VMware solutions
B. Provide comprehensive manual deployment guidance and day 2 operational practices
C. Provide best practice design guidance
D. Provide faster time to value for VMware Cloud Foundation
E. Deploy technical validated implementations on VMware Cloud Foundation

Explanation:
VMware Validated Solutions offer prescriptive, step-by-step runbooks that help guide users through the deployment process. These runbooks ensure that the implementation follows VMware's recommended practices, reducing complexity and ensuring consistency across deployments.
VMware Validated Solutions are designed based on VMware's best practices, ensuring that the deployed solution is optimized for performance, security, and scalability. This helps organizations achieve a reliable and efficient infrastructure aligned with VMware's recommended guidelines.

Question#4

The following is a list of requirements from a discovery workshop for a new VMware hosting platform system design:
REQ001 - The architecture must support recoverability to the VMware Cloud Disaster Recovery (VCDR) service.
REQ002 - The architecture must support high availability (HA) and fault tolerance (FT).
REQ003 - The architecture must support reducing existing energy consumption and carbon footprint.
REQ004 - The architecture must provide support for network virtualization using distributed virtual switches.
Which requirement would be classified as a business (formerly functional) requirement?

A. The architecture must support high availability (HA) and fault tolerance (FT).
B. The architecture must support reducing existing energy consumption and carbon footprint.
C. The architecture must support recoverability to the VMware Cloud Disaster Recovery (VCDR) service.
D. The architecture must provide support for network virtualization using distributed virtual switches.

Explanation:
This is a business requirement because it aligns with corporate sustainability goals, focusing on reducing environmental impact. It is a high-level goal that can drive design decisions but is not directly related to the technical function or features of the system.

Question#5

An architect is designing a new vSphere-based solution for a customer.
During a requirements gathering workshop, the following information is provided:
The solution must have a primary and secondary (isolated) environment
The solution must support orchestration to address application dependencies
The isolated environment must be able to scale on demand in case of a DR scenario
The solution is managed through a single interface
Which solution should the architect include in this design?

A. Site Recovery Manager with dedicated hardware
B. Disaster Recovery with VMware Cloud on AWS
C. vSAN stretched cluster
D. A dedicated fault domain

Explanation:
This solution aligns with the requirements of having a primary and secondary isolated environment, orchestration of application dependencies, the ability to scale on demand in a disaster recovery (DR) scenario, and a single interface for management. VMware Cloud on AWS integrates with VMware's vSphere environment and offers orchestration for DR, as well as the flexibility to scale resources on demand in the event of a DR scenario. It also provides a unified management interface through vCenter.

Exam Code: 3V0-21.23
Q & A: 92 Q&As         Updated:  Oct 17,2026

 

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What This 3V0-21.23 Study Resource Helps You Do

Review Key Concepts

Review the technologies, products, processes, and practical skills covered by the current 3V0-21.23 exam objectives.

Practice Scenario-Based Questions

Work through independently developed questions designed to strengthen your understanding of technical scenarios and decision-making.

Identify Knowledge Gaps

Use your results and the provided explanations to find weaker areas and focus your study more effectively.

How to Use This 3V0-21.23 Preparation Material

Review the Exam Scope

Start by reviewing the topics covered by the 3V0-21.23 exam. Compare them with the official exam objectives to understand the required technologies, operational tasks, and practical skills, then identify the areas that deserve the most attention.

Practice Independently

Complete a focused set of practice questions for each topic. On your first attempt, avoid referring to notes, answers, or other study resources so that you can evaluate your current understanding more accurately.

Study the Explanations

Review the answers and explanations after completing each practice session. Understand why the correct option is appropriate for the given scenario and why the other options may be incorrect or less suitable.

Close Knowledge Gaps

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Exam Code: 3V0-21.23
Q & A: 92 Q&As
Updated:  Oct 17,2026

 

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