Free VMware 3V0-21.21 Exam Actual Questions

The questions for 3V0-21.21 were last updated On Dec 15, 2025

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Question No. 1

An architect is designing a solution for an environment with two types of resource profiles that must be virtualized. The first type consists of Tier 1 virtual machines that are disk I/O intensive, but do NOT require high CPU or memory. The second type consists of Tier 2 virtual machines that require a lower CPU and memory allocation and have minimal disk I/O.

Which design recommendation should the architect make for distributing the resource profiles?

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Correct Answer: A

Checked in the training manual, chapter 10 Infrastructure Manageability: When mention about tiers... always talks about DIFFERENT CLUSTERS. Vmware suggest this in order to calculate spare hosts, cpu contention, disk performance, etc. In this case B and D should be disregarded, you should not mix Tier 1 and 2 in the same cluster.


Question No. 2

An architect is tasked with designing a greenfield VMware software-defined data center (SDDC) solution that will be used to deliver a private cloud service for a customer.

During the initial meeting with the service owner and business sponsor, the customer has provided the following information to help inform the design:

The solution must initially support the concurrent running of 300 production and 600 development virtual machines.

The production environment should be delivered across two geographically dispersed data centers. The development environment must be vSphere-based but does not have to be deployed on-premises.

The two data centers are connected to each other through multiple diversely routed, high bandwidth and low latency links.

The customer's server hardware standard document states that all virtual infrastructure hosts must be based on blade architecture only.

The service owner has said that is important to ensure that neither the availability target of 99.5% nor the resource capacity is affected when the operations team completes maintenance activities, such as the monthly software patching and ad-hoc hardware break/fix.

All virtual machine backups must be completed using the existing backup service. The recovery time objective (RTO) for the service is four hours.

The recovery point objective (RPO) of the service is 24 hours.

Given the information from the customer, which two would be classified as assumptions within the design? (Choose two.)

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Correct Answer: B, E

B) The backup service has sufficient capacity for the new requirements

'All virtual machine backups must be completed using the existing backup service.'

The existing backup service may not have capacity or compatabiltiy for the new SDDC

E) The clusters will have a minimum redundancy of N+1

'The service owner has said that is important to ensure that neither the availability target of 99.5% nor the resource capacity is affected when the operations team completes maintenance activities'

We assume N+1 is sufficient. They may require a higher level of redundancy.


Question No. 3

An architect is designing a solution based on the following information:

Each ESXi host has a single physical NIC with two 10 Gbps ports.

There is a performance-based service-level agreement (SLA) that guarantees 15 Gbps bandwidth for production virtual machines at all times.

There is no budget to purchase additional hardware.

The hardware replacement SLA is based on a delivery agreement of two business days.

Which recommendation for the configuration of vSphere High Availability (HA) should the architect include in the design?

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Question No. 4

An architect is designing a vSphere environment for a customer and learns that the customer has:

A single vSphere cluster

Two storage arrays with different RAID capabilities

Which two design decisions should the architect make to maximize data availability and data performance for this customer? (Choose two.)

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Correct Answer: A, B

https://docs.vmware.com/en/VMware-vSphere/7.0/com.vmware.vsphere.resmgmt.doc/GUID-94FCC204-115A-4918-9533-BFC588338ECB.html

Determines if vSphere HA enforces VM-VM anti-affinity rules. The default value is 'true' and rules are enforced even if vSphere DRS is not enabled. In this case, vSphere HA does not fail over a virtual machine if doing so violates a rule, but it issues an event reporting there are insufficient resources to perform the failover. This option can also be set to 'false', whereby the rules are not enforced.


Question No. 5

During a requirements gathering workshop, the customer provides the following requirement:

A new vSphere platform must be designed securely and all interfaces must be protected against potential snooping.

How should this non-functional security requirement be documented?

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