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VMware 3V0-21.23 Exam - Topic 3 Question 10 Discussion

Actual exam question for VMware's 3V0-21.23 exam
Question #: 10
Topic #: 3
[All 3V0-21.23 Questions]

An architect is designing a new vSphere-based solution for a customer.

During a requirement gathering workshop, the following information is provided:

The solution must have a primary and secondary site.

The solution must support a maximum of 1,000 concurrent workloads.

The profile of the workloads are as follows:

- Production Workloads

-- 300 x Small: 1 vCPU, 2GB RAM

-- 400 x Medium: 2 vCPU, 6GB RAM

-- 100 x Large: 4 vCPU, 8GB RAM

- Development Workloads

-- 200 x Small: 1 vCPU, 2GB RAM

The corporate security policy states that, during normal operations, production workloads must be physically segregated from development workloads.

All production workloads are split evenly across the primary and secondary site.

All development workloads run only within the secondary site.

In the event of a disaster affecting workloads in the primary site, the secondary site must be capable of running all production and development workloads.

The vCPU to physical core ratio should be a maximum of 10:1 for production workloads and 20:1 for development workloads.

The solution should provide a minimum of N + 1 resiliency at each component level.

The target physical host hardware platform has already been defined by the company's hardware standards and therefore each host has the following configuration:

-- 2 x 24 physical cores

-- 768GB RAM

-- 2 x 100GB SSD drives

-- 6 x 10GbE network cards

What is the minimum number of hosts required to meet the requirements?

Show Suggested Answer Hide Answer
Suggested Answer: A

1. Production Workloads:

Total vCPUs required for production:

Total production vCPUs = 300 + 800 + 400 = 1,500 vCPUs

2. Development Workloads:

Total vCPUs required for development:

3. Workload Distribution:

4. vCPU to Physical Core Ratio:

5. Hosts Configuration:

6. Host Calculation:

Production Workloads (750 vCPUs per site):

Development Workloads (200 vCPUs):

7. Resiliency:

8. Total Hosts:

Total hosts required = 4 (primary production) + 4 (secondary production) + 1 (secondary development) + 2 (N + 1) = 12 hosts.


by Irma at Jun 13, 2025, 02:49 PM

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Hillary
4 months ago
12 hosts sounds reasonable considering the workload distribution.
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James
4 months ago
Wait, all production workloads split evenly? That's a lot to manage!
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Maricela
5 months ago
I disagree, we might need more for N + 1 resiliency.
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Ethan
5 months ago
I think 10 hosts should be enough, right?
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Ty
5 months ago
Looks like we need to calculate the total vCPUs and RAM first.
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Latia
5 months ago
I feel like we might need to do some calculations for the total RAM and vCPUs required first before deciding on the number of hosts.
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Matthew
5 months ago
The requirement for N + 1 resiliency is crucial, but I’m a bit confused about how that impacts the total number of hosts we need.
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Louann
6 months ago
I think we need to consider the vCPU to physical core ratio for production workloads, which is 10:1. That might help narrow down the options.
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Susy
6 months ago
I remember we practiced a similar question about workload distribution, but I’m not sure how to calculate the exact number of hosts needed here.
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Raelene
6 months ago
This is a tricky one. I'll need to be really careful in my calculations to ensure I don't miss any of the requirements or make any mistakes. I'll start by mapping out the workload details and then work through the host configuration to find the optimal solution.
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Monte
6 months ago
Okay, I think I've got a handle on this. The key is to first calculate the total resource requirements for the production and development workloads, then determine the minimum number of hosts needed to meet those requirements while adhering to the stated policies and constraints. I'm confident I can work this out.
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Gussie
6 months ago
Hmm, I'm a bit unsure about how to approach this. There are a lot of specific details and constraints to consider, like the physical host hardware, vCPU to core ratios, and resiliency requirements. I'll need to take my time and work through it step-by-step.
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Salley
7 months ago
This looks like a complex question that requires careful planning and calculations. I'll need to review the requirements closely and break down the workload details to determine the optimal host configuration.
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Dulce
9 months ago
I'm with Elvera on this one. The math seems to add up for 14 hosts, and the requirements are pretty clear. Definitely B) 14.
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Billy
9 months ago
Haha, this question is like a test within a test! I'm going to go with B) 14, but I'm half-expecting a trick question at this point.
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Kaitlyn
9 months ago
C) 8 hosts? That seems way too low, even for a vSphere solution. These requirements are pretty complex, so I'd be surprised if that's the correct answer.
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Na
7 months ago
I think we need to calculate the number of hosts based on the workload profiles and resiliency requirements.
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Erick
7 months ago
I agree, 8 hosts does seem low for such complex requirements.
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Sherill
7 months ago
D) 10
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Brent
8 months ago
C) 8
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Marquetta
8 months ago
B) 14
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Ciara
9 months ago
A) 12
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Lavera
9 months ago
Hmm, I'm not so sure. I was leaning towards D) 10, but I could be misinterpreting some of the details. This is a tough one.
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Coral
8 months ago
I agree, the ratio is important to determine the number of hosts needed. A) 12 seems like the correct choice.
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Elvera
10 months ago
I think the answer is B) 14. The requirements seem pretty specific, and I'm confident that's the right number of hosts needed to meet them.
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Lucy
9 months ago
I think you both might be right, but I'm leaning towards C) 8. The specific workload profiles and segregation might impact the host count differently.
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Devora
9 months ago
I'm not so sure, I think the answer might be A) 12. The vCPU to physical core ratio and resiliency requirements could affect the number of hosts needed.
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Ricarda
9 months ago
I agree with you, I also think the answer is B) 14. The workload distribution and hardware specifications point towards that.
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Delfina
10 months ago
I also agree, the minimum number of hosts required can be calculated by dividing the total number of vCPUs required by the number of physical cores per host.
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Yvette
10 months ago
I agree with Lindsay, the rationale is that we need to calculate the total number of vCPUs required for production and development workloads and then divide by the vCPU to physical core ratio.
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Lindsay
10 months ago
I think the answer is A) 12.
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