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3V0-21.21 Sample Questions Answers

Questions 4

An architect will be taking over control of a former Linux server fleet and repurposing the hardware into a new vSphere cluster. The current environment is already connected to the network but the hosts do not have any local disks. Since the fleet hardware is uniform, the architect can use a single ESXi image. All hosts within the cluster have the same CPU and memory capacity.

Which ESXi deployment method should the architect use?

Options:

A.

Stateless cached vSphere Auto Deploy

B.

Stateless vSphere Auto Deploy

C.

Manual install of each ESXi host with an image from USB

D.

Stateful vSphere Auto Deploy

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Questions 5

An architect is designing a VMware solution for a customer to meet the following requirements:

  • The solution must use investments in existing storage array that supports both block and file storage.
  • The solution must support the ability to migrate workloads between hosts within a cluster.
  • The solution must support resource management priorities.
  • The solution must support the ability to connect virtual machines directly to LUNs.
  • The solution should use existing 32G fabric infrastructure.
  • There is no budget for additional physical hardware.

Which design decision should the architect make to meet these requirements?

Options:

A.

The ESXi hosts will leverage Fibre Channel (FC).

B.

The ESXi hosts will leverage iSCSI.

C.

The ESXi hosts will leverage Fibre Channel over Ethernet (FCoE).

D.

The ESXi hosts will leverage NFS.

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Questions 6

An architect is finalizing the design for a new vSphere platform based on the following information:

  • All Windows virtual machines will be hosted on a dedicated cluster for licensing purposes.
  • All Linux virtual machines will be hosted on a dedicated cluster for licensing purposes. All management virtual machines will be hosted on a dedicated cluster.
  • A total of ten physical sites will be used to host virtual machines.
  • In the event of one physical datacenter becoming unavailable, the manageability of the virtual infrastructure in the remaining data centers should not be impacted.
  • Access to configure the management virtual machines via vCenter Server must be controlled through the management Active Directory domain.
  • Access to configure the Windows and Linux virtual machines must be controlled through the resource Active Directory domain.
  • The management and resource Active Directory domains are part of separate Active Directory forests and do not have any trusts between them.
  • The design will use Active Directory with Integrated Windows Authentication.

How should the architect document the vCenter Server configuration for this design?

Options:

A.

Deploy a vCenter server for the management cluster.

Deploy a vCenter Server for all remaining clusters. Create a shared SSO domain for each physical site.

B.

Deploy a vCenter Server for the management cluster.

Deploy a vCenter Server for all remaining clusters.

Create a shared SSO domain across all physical sites.

C.

Deploy a vCenter Server for the management cluster with a dedicated SSO domain.

Deploy a vCenter Server for all remaining clusters and use a dedicated SSO domain for each physical site.

D.

Deploy a vCenter Server for the management cluster with a dedicated SSO domain.

Deploy a vCenter Server for all remaining clusters and use a dedicated SSO domain into a single physical site.

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Questions 7

A customer has six hosts available in a cluster. When running at full capacity, all virtual machines can be run on two hosts.

How many hosts can the customer place into maintenance mode at the same time while still providing N+2 resiliency to the cluster?

Options:

A.

Two

B.

Three

C.

One

D.

None

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Questions 8

An architect is designing a new vSphere environment to meet the following requirements:

  • The environment must support 5,000 virtual machines.
  • The environment will be built initially using 350 hosts.

Which vCenter Server appliance deployment size should the architect specify for the design?

Options:

A.

Large

B.

Small

C.

Tiny

D.

Medium

Questions 9

An architect is designing a new vSphere cluster. The requirement is to provide a total of 96 CPU cores and 1.5 TB RAM across all hosts.

The following information has been provided:

Two different physical hardware profiles are available for the ESXi hosts in the cluster.

-Profile 1: 16 CPU cores and 256 GB RAM

-Profile 2: 32 CPU cores and 512 GB RAM

Profile 2 is twice as expensive to purchase as Profile 1.

Which two aspects should the architect consider when selecting the hardware profile? (Choose two.)

Options:

A.

The manufacturer and model of the CPUs in the hosts

B.

The amount of capacity available for failover of virtual machines within the cluster

C.

The downtime allowed for virtual machines that will be running within the cluster

D.

The cost to procure and maintain the hardware

E.

The number of virtual machines that will be running within the cluster

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Questions 10

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

Questions 11

An architect is designing a VMware software-defined data center (SDDC) solution based on the following customer requirements:

  • The solution must initially support 1,000 virtual machines
  • The solution must scale to support the concurrent running of up to 5,000 virtual machines
  • The production environment should be delivered across two data centers
  • The solution should have a maximum tolerable downtime (MTD) of four hours
  • The solution should have a monthly service availability target of 99.8%

Which two assumptions could the architect make based on the information from the customer to help size the solution? (Choose two.)

Options:

A.

The number of vSphere hosts in a cluster

B.

The average resource utilization of a virtual machine

C.

The size (CPU/RAM/storage) of the average virtual machine

D.

The guest operating system for each virtual machine

E.

The size (CPU/RAM/storage) of the vSphere hosts

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Questions 12

An architect is designing an environment for a retail customer. The design will use a single small vCenter Server Appliance and a cluster of eight ESXi hosts at a remote site. There is a single 10 GbE connected network at the remote site to support all management services. It is not possible to create additional management networks at the remote site. Virtual machine backups at the site will be dependent on the vCenter Server being available.

Which design decision should the architect make to maximize availability for backups?

Options:

A.

vCenter Server High Availability will be configured.

B.

The vCenter Server Appliance will be protected with vSphere Fault Tolerance.

C.

The cluster will be configured to use vSphere DRS in fully automated mode.

D.

The cluster will be configured with vSphere HA and set to restart virtual machines based on guest operating system heartbeat monitoring.

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Questions 13

An architect is designing a series of new vSphere environments for an organization. The environments will be deployed in their US-East and US-West region data centers. Each data center may have one or more dedicated vSphere environments. Only the vSphere environments within a data center will be configured with Enhanced Linked Mode. The Chief Technology Officer (CTO) has authorized the use of VMware vRealize Automation Cloud for automation. The build team creates standardized virtual machine images for various operating systems in Open Virtualization Format (OVF) and publishes the latest version on an as-needed basis to an internal HTTPS-accessible repository.

The architect must design a content library topology that meets the following requirements:

  • A localized content library must be available in each data center.
  • Each content library must be updated when an image is updated and released by the build team.
  • The cloud automation platform must be able to consume the latest approved content library images.
  • It must leverage the existing build team processes.

What should the architect recommend to meet the requirements?

Options:

A.

Work with the build team to create a local content library for each vSphere environment.

Import the OVF images when new image are published to the repository.

B.

Create a local content library for the primary vSphere environment in each data center.

Create a subscribed content library for each additional vSphere environment in each data center.

Configure the content library to download content automatically.

C.

Work with the build team to automate a JSON-based manifest to the repository when changes occur in the repository.

Create a subscribed content library for each vSphere environment.

Configure the content library to download content when needed.

D.

Work with the build team to automate a JSON-based manifest to the repository when changes occur in the repository.

Create a subscribed content library for each vSphere environment.

Configure the content library to download content automatically.

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Questions 14

A architect is designing a new VMware software-designed data center (SDDC) using vSphere 7 to meet the following requirements:

  • The SDDC must be deployed at two locations: primary and secondary.
  • vSphere Replication must be used to replicate virtual machines between the two locations.
  • Site Recovery Manager must be used to orchestrate disaster recovery (DR) activities.
  • One single-sign on (SSO) domain must be used to authenticate access at both locations.

Which design decision should the architect make to meet these requirements?

Options:

A.

A vCenter Server Appliance will be deployed to each site. Unique SSO domains will be created per site.

B.

A vCenter Server will be installed on Windows virtual machines deployed to both sites.

C.

A vCenter Server Appliance will be deployed to each site.

D.

A vCenter Server Appliance will be deployed to the primary site only.

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Questions 15

An architect is designing a new vSphere environment with the following resources:

  • 600 vCPU
  • 5,760 GB RAM

Average resource usage is:

  • 60 vCPU
  • 1,152 GB RAM

The design must meet the following requirements:

  • The environment has the ability to burst by 25%.
  • Each host can schedule 36 vCPUs and has 512 GB RAM.
  • Management overhead is 20%.

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

Options:

A.

Three

B.

Five

C.

Four

D.

Two

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Questions 16

In a meeting to discuss the minimum viable product (MVP) deployment of a new customer-facing application, the key stakeholder shares details of the application components and the application administrators share details of performance and integrity tests for the application.

The application will be made up of the following components:

  • A web server

-Steps to confirm the web server is operating correctly will take 15 minutes after the application server is online.

  • An application server

-Steps to confirm application server integrity will take 15 minutes after the database is online.

  • A database server

-The database server will be managed by a database administrator, with an agreed service-level agreement (SLA) to restore and validate database services within one hour.

The existing VMware infrastructure offers a recovery point objective (RPO) of 5 minutes and recovery time objective (RTO) of 15 minutes through a combination of backups and replication.

In the event of an outage impacting all three application components, how long will it take for the application to recover and complete all checks?

Options:

A.

15 minutes

B.

60 minutes

C.

105 minutes

D.

90 minutes

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Questions 17

A Cloud Service Provider wants to introduce backup as a service for a customer’s vSphere-based virtual machines.

The following information is noted:

  • They have a single four-port (2 × 10 GbE and 2 × 1 GbE) NIC per ESXi host
  • All top-of-rack (ToR) switches are 10 GbE and fully populated
  • The backup traffic must not impact existing services

Which two recommendations should the architect make to help the customer incorporate the service? (Choose two.)

Options:

A.

Enable and tag traffic on the backup distributed port group

B.

Add a new two-port 10 GbE NIC per ESXi host

C.

Replace the existing NIC with a two-port 25 GbE NIC per ESXi host

D.

Match the Class of Service (CoS) and Differentiated Services Code Point (DSCP) values to the physical network

E.

Create a new virtual switch using the 1 GbE uplinks

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Questions 18

A customer defines a requirement to minimize the vMotion migration time during a maintenance period. The servers being used are equipped with eight 1 GbE network adapters.

Per the defined logical network configuration, there are two network adapters each used for:

  • Management traffic
  • vMotion traffic
  • iSCSI traffic
  • Virtual machine traffic

Which design decision should the architect make to meet the customer requirement?

Options:

A.

Use Network I/O Control to define a reservation for vMotion traffic.

B.

Implement Multi-NIC vMotion by adding additional vMotion VMkernels.

C.

Configure a dedicated TCP/IP stack for vMotion traffic.

D.

Combine vMotion and Management traffic to make use of four adapters.

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Questions 19

An architect is designing a new vSphere platform to meet a list of requirements from the security team.

Which two requirements would be classified as non-functional requirements? (Choose two.)

Options:

A.

Migration of virtual machines between hosts must be encrypted

B.

Log information must be verbose to support incident resolution

C.

Critical events generated within the platform must be logged to an external Syslog service

D.

Data integrity must be ensured

E.

A common content library must be maintained across all data centers

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Questions 20

An architect is designing a new VMware solution for a customer that has a number of different resource profiles.

The following are the business requirements for the design:

The solution must support virtual machines with the following storage profiles:

-Write-intensive

-Backup

-Write-Once-Read-Many (WORM) archive

  • The solution must support migration of virtual machine disks between storage profiles.
  • The WORM archive data must be located at an isolated secure site.
  • The backup storage array must only be connected to a backup media server.
  • All data should be recoverable from backup.

Which design decision should the architect make to meet the business requirements?

Options:

A.

The solution will leverage a single storage array for the WORM archive and write-intensive storage profiles

B.

The solution will leverage the same array for the backup and write-intensive storage profiles

C.

The solution will leverage a different array for each storage profile

D.

The solution will leverage a single storage array for all storage profiles

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Questions 21

During a requirements gathering workshop, the customer’s Chief Information Security Office (CISO) provides the following requirements that are pertinent to the design of a new vSphere environment:

  • All operating system critical patches must be installed within 24 hours of release.
  • All virtual machine templates must be updated every three months in line with company policy.

Which requirement classification is being gathered for the design documentation?

Options:

A.

Security

B.

Manageability

C.

Recoverability

D.

Availability

Questions 22

The Chief Information Security Officer (CISO) for an organization is concerned about the security posture of the operating system images that are used for the provisioning of their Software-as-a-Service (SaaS) applications. The organization is in a growth period. The organization is opening a new data center to launch its next phase of new SaaS-based solutions.

The DevOps team currently creates encrypted virtual machine (VM) templates that are used for various operating systems and adds these to the vSphere inventory. The DevOps team already uses a published content library and has been granted a role with the ability to add and delete library items.

The following requirements have been noted:

  • Impacts to the DevOps team’s operational processes must be kept to a minimum.
  • The DevOps team must be able to regularly check out a copy of the image for updates and check in a new version of the image.
  • Images must be synchronized from the primary data center to the new data center.

Which three recommendations should the architect make to design a content library solution that will meet these requirements? (Choose three.)

Options:

A.

Clone virtual machines as VM templates to the published content library

B.

Create a subscribed library from the published library and synchronize Open Virtualization Format (OVF) templates on-demand

C.

Create a subscription and publish VM templates to a subscribed content library

D.

Create a subscribed library from the published library and synchronize Open Virtualization Format (OVF) templates automatically

E.

Clone virtual machines as Open Virtualization Format (OVF) templates to the published content library

F.

Update the role for the DevOps team with new privileges

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Questions 23

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

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Questions 24

The architect for a large enterprise is tasked with reviewing a proposed design created by a service partner. Which design elements are expected to be detailed within the physical design section of the documentation?

Options:

A.

A design diagram illustrating the configuration and specific attributes, such as IP addresses

B.

A list of requirements, constraints, and risks

C.

A solution architecture diagram with the components and data flow

D.

An entity relationship diagram describing upstream and downstream dependencies for specific service components

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Questions 25

An architect makes the design decision to install ESXi on embedded and resilient 8 GB SD cards.

What is the impact of this design decision?

Options:

A.

Host profiles must be used for this kind of installation

B.

Scratch partition would need to be created on the external storage

C.

The size of the SD cards is too small and the installation will fail

D.

The vSphere Auto Deploy feature must be enabled on vCenter Server

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Questions 26

An architect is tasked with planning the design of a new vSphere environment. When commissioned, this environment will be used to migrate an existing set of virtual machines.

An inventory of the existing infrastructure, including configured vCPU, RAM and storage sizes has been provided.

In order for each virtual machine to be migrated, which two data sources with peak and average utilization data are required for sizing? (Choose two.)

Options:

A.

%Ready

B.

Disk Write latency

C.

CPU

D.

Ballooned memory

E.

IOPS

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Status:
Expired
Exam Code: 3V0-21.21
Exam Name: Advanced Design VMware vSphere 7.x
Last Update: Mar 9, 2024
Questions: 88
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