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VMware 3V0-21.21 Exam With Confidence Using Practice Dumps

Exam Code:
3V0-21.21
Exam Name:
Advanced Design VMware vSphere 7.x
Certification:
VCAP-DCV Design 2021
Vendor:
VMware
Questions:
88
Last Updated:
Nov 14, 2024
Exam Status:
Stable
VMware 3V0-21.21

3V0-21.21: VCAP-DCV Design 2021 Exam 2024 Study Guide Pdf and Test Engine

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Advanced Design VMware vSphere 7.x Questions and Answers

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Question 1

An architect is tasked with reviewing the design of a VMware software-defined data center (SDDC) for a software development company. The platform is used to developing applications and services. It is important that the customer be able to accurately benchmark performance of developed applications.

The platform has recently commissioned new hosts to update the development cluster.

The development cluster host configuration is:

  • 4 ESXi hosts with 2 sockets × 16 cores
  • 512 GB RAM divided evenly between sockets
  • There is no resource contention

The benchmarking cluster host configuration is:

  • 8 ESXi hosts with 2 sockets × 8 cores
  • 256 GB RAM divided evenly between sockets
  • There is no resource contention

The customer is developing an application that includes a database virtual machine. The application developer states that the database virtual machine performs as required only when allocated 8 vCPUs 256 GB RAM. The database virtual machine performance meets the required levels when run from the development cluster. Performance benchmarking for the database virtual machine yields highly variable results when run from the benchmarking cluster. The application cannot be released without reliable performance benchmarking data.

What is a possible reason for the difference in performance test results between the development and benchmarking clusters?

Options:

A.

The database tier breaches a single NUMA node boundary for the benchmarking cluster

B.

The database tier breaches a single NUMA node boundary for the development cluster

C.

The development cluster can support a lower %Ready time per vCPU

D.

The development cluster has more available RAM per host

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Question 2

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?

Options:

A.

Configure vSphere HA

Configure % based admission control Configure two isolation addresses

Consider an OEM with NIC failure conditions in their Proactive HA plugin

B.

Configure vSphere HA

Set das.IgnoreRedundantNetWarning to true

Consider an OEM with NIC failure conditions in their Proactive HA plugin

C.

Configure vSphere HA

Configure two existing data stores for heartbeat

Consider an OEM with NIC failure conditions in their Proactive HA plugin

D.

Configure Proactive HA Automation Level: Automated

Remediation: Maintenance mode for all failures

Consider an OEM with NIC failure conditions in their Proactive HA plugin

Question 3

An architect is creating a network design for a new vSphere environment.

Based on customer requirements, the environment must support the following types of traffic:

  • Management
  • vMotion
  • vSAN
  • Fault Tolerance
  • Virtual machine traffic, which cannot be impacted by other types of traffic

Which design recommendation can the architect make for a resilient infrastructure with vSphere network service tiering?

Options:

A.

Use different logical networks to ensure traffic is isolated with separate VLANs

B.

Use Network I/O Control and ensure appropriate share value is defined for different types of traffic giving priority to the virtual machines traffic

C.

Use two dedicated virtual switches with a single adapter each, dedicating one virtual switch for Management, vMotion, vSAN and Fault Tolerance traffic, and the second one for virtual machine traffic

D.

Use a NIC teaming policy based on the physical NIC load

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