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3V0-21.21 Exam Dumps : Advanced Design VMware vSphere 7.x

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Advanced Design VMware vSphere 7.x Questions and Answers

Question 1

Application owners require support of a Microsoft Windows Server Failover Cluster (WSFC).

Their current environment consists of the following components:

  • vSphere 7.0 and vSAN 7.0
  • External array supporting NFS 3.0/4.1, Server Message Block (SMB) 2.1
  • 10 GbE storage connectivity for all devices

The solution architect is tasked with coming up with a solution to meet this requirement while utilizing their existing investments.

Which two recommendations could the architect make? (Choose two.)

Options:

A.

Use vSAN native support for WSFC

B.

Use NFS 4.1 shares for quorum and shared disk

C.

Use raw device mapping (RDM)

D.

Use the SMB 2.1 protocol for sharing disks

E.

Run WSFC on vSAN iSCSI Target Service

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Question 2

An architect is planning the physical server configuration for a vSAN-based infrastructure.

Which operations mode should a RAID controller support to minimize potential server downtime during physical disk failures?

Options:

A.

RAID controller with Passthru mode

B.

RAID controller with RAID 5 mode

C.

RAID controller with RAID 10 mode

D.

RAID controller with RAID 6 mode

Question 3

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