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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

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 support the concurrent running of 1,000 virtual machines
  • The production environment must be delivered across two geographically dispersed data centers All virtual machines must be capable of running in either data center.
  • The two data centers are currently connected to each other through a single but diversely routed, high bandwidth and low latency link.
  • The link between the two data centers is capable of supporting a round-trip time (RTT) of 150 ms The existing server hardware standard document states that all virtual infrastructure hosts must be deployed using vSAN ReadyNodes
  • The service owner has stated that it is critical to ensure the availability target of 99.9% All virtual machine backups must be completed using the existing backup service
  • The recovery time objective (RTO) for the service is five minutes
  • The recovery point objective (RPO) of the service is four hours

Which two elements represent risks to the successful delivery of this solution? (Choose two.)

Options:

A.

The use of only two data centers

B.

The network connectivity between data center sites

C.

The use of vSAN ReadyNodes

D.

The RTT on the link between the two data centers

E.

The use of the existing backup service

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Question 2

A new real-time financial service application is being developed by the engineering team at a financial firm and will be released as a public Software-as-a-Service (SaaS) offering. The solutions architect has designed and deployed a new vSphere environment and the supporting network infrastructure for hosting all public services. ESXi hosts are configured to use Precision Time Proalhazi@1tocol (PTP) and a local stratum-1 network time server.

Application provisioning and scaling will be managed by VMware vRealize Automation and can be run on Microsoft Windows or multiple distributions of Linux.

Which three recommendations should the architect include in the design to ensure that the service maintain timekeeping within an accuracy of one second? (Choose three.)

Options:

A.

Use Microsoft Windows Server as the guest operating system.

B.

Configure the chrony time-sync agent on each virtual machine guest operating system.

C.

Set the virtual hardware device to use Host System Time (NTP) for each virtual machine running the application.

D.

Add a precision clock virtual device to each virtual machine running the application.

E.

Use a Linux distribution as the guest operating system.

F.

Add a virtual watchdog timer (VWDT) device to each virtual machine running the application.

Question 3

Which design decision must be included in a design to allow for the deployment of a minimum supported configuration of vCenter High Availability (HA)?

Options:

A.

A new subnet will be provisioned for vCenter HA services

B.

A vSphere cluster will consist of more than three nodes

C.

The deployed vCenter Server will be Tiny

D.

The vCenter HA network will support a latency of less than 50 ms