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3V0-21.21 PDF Questions and Testing Engine With 90 Questions

NEW QUESTION # 48
Refer to the exhibit.
During a requirements gathering workshop, a customer shares the following diagram regarding their availability service-level agreements (SLAs):

The customer states that there is no application level availability for legacy applications.
Which recommendation could the architect make to meet the customer's high availability requirements for the legacy applications virtual machines?

• A. Enable vSphere HA and add a VM Override with VM Restart Priority set to Lowest
• B. Enable Fault Tolerance
• C. Enable vSphere HA and add a VM Override with VM Restart Priority set to Disabled
• D. Achieve application availability with snapshots

Answer: A

NEW QUESTION # 49
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?

• A. The vSphere Auto Deploy feature must be enabled on vCenter Server
• B. The size of the SD cards is too small and the installation will fail
• C. Host profiles must be used for this kind of installation
• D. Scratch partition would need to be created on the external storage

Answer: D

Explanation:
https://kb.vmware.com/s/article/2074026 You can store coredumps on the SD boot media, but refrain from configuring the scratch partition here as the logs are write intensive and can cause the SD card to fail faster resulting in re-installation of ESXi
https://blogs.vmware.com/vsphere/2021/09/esxi-7-boot-media-consideration-vmware-technical-guidance.html A configuration involving the usage of SD card or USB drives as boot media is a minimum of 8 GB SD card or USB drive + Locally attached persistent storage device for ESX-OSData partition may be used but is also not recommended. Recommended list of locally attached storage devices are listed below.In any case, if an SD or USB device is used for boot media (only SD/USB or SD/USB + local HDD/SSD disk), follow the below instructions to reduce the amount of IO sent to the SD or USB boot media:Enable the ToolsRamDisk option to offload VMTools install/upgrade IO requests on the RAM disk.Ensure the /scratch partition is configured on persistent storage like a local HDD/SSD or boot from the SAN device.

NEW QUESTION # 50
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?

• A. 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.
• B. 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.
• C. 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.
• D. 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.

Answer: A

NEW QUESTION # 51
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?

• A. Separate the two resource profiles into two clusters. The Tier 2 cluster will have faster CPU and more memory while the Tier 1 cluster will have slower CPU and less memory but more disk space.
• B. Run both resource profiles on the same cluster with the same host hardware platform.
• C. Separate the two resource profiles into two clusters. The Tier 1 cluster will have fast storage while the Tier 2 cluster will not.
• D. Run both resource profiles on the same cluster with host hardware that has fast CPU, large amounts of memory, and the fastest storage platform.

Answer: D

NEW QUESTION # 52
An architect is reviewing a physical storage design. The customer has specified that storage DRS will be used for ease of operational management for capacity and performance.
Which recommendation should the architect include in the design?

• A. Create smaller datastores to balance space with Storage DRS
• B. Use a larger number of storage profiles (varied disk speeds and RAID levels) to improve performance
• C. Create more datastores within each Storage DRS cluster to balance space and performance
• D. Create larger datastores to balance space with Storage DRS

Answer: C

NEW QUESTION # 53
An architect is designing a new backup solution for a vSphere platform that has been recently upgraded to vSphere 7.
The architect wants the backup solution to perform the following:
Full virtual machine image backup and restore
Incremental virtual machine image backup and restore
File level backup and restore within both Windows and Linux virtual machines LAN-free backup Which functional requirement should the architect include in the design of the new backup solution?

• A. The backup solution must leverage VMware vSphere Storage APIs - Data Protection.
• B. The backup solution must leverage VMware vStorage APIs for Data Protection (VADP).
• C. The backup solution must leverage the VMware Consolidated Backup (VCB) framework.
• D. The backup solution must leverage virtual machine snapshots.

Answer: A

NEW QUESTION # 54
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?

• A. The development cluster has more available RAM per host
• B. The database tier breaches a single NUMA node boundary for the benchmarking cluster
• C. The database tier breaches a single NUMA node boundary for the development cluster
• D. The development cluster can support a lower %Ready time per vCPU

Answer: D

NEW QUESTION # 55
An organization's data scientists are executing a plan to use machine learning (ML). They must have access to graphical processing unit (GPU) capabilities to execute their computational models when needed. The solutions architect needs to design a solution to ensure that GPUs can be shared by multiple virtual machines.
Which two solutions should the architect recommend to meet these requirements? (Choose two.)

• A. vSphere Bitfusion
• B. vSphere DirectPath I/O
• C. vSGA
• D. NVIDIA vGPU
• E. AMD MxGPU

Answer: C,D

NEW QUESTION # 56
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?

• A. 90 minutes
• B. 105 minutes
• C. 60 minutes
• D. 15 minutes

Answer: B

Explanation:
15 restore VMs + 60 restore and test DB + 15 test app server + 15 test web server

NEW QUESTION # 57
Which two statements are true about gathering functional business and application requirements? (Choose two.)

• A. It is a non-iterative process
• B. It builds stakeholder consensus
• C. It leverages a single set of Question:s for all stakeholders
• D. It focuses on functional requirements with C-level stakeholders
• E. It might require multiple rounds of stakeholder interviews

Answer: D,E

NEW QUESTION # 58
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?

• A. Implement Multi-NIC vMotion by adding additional vMotion VMkernels.
• B. Combine vMotion and Management traffic to make use of four adapters.
• C. Configure a dedicated TCP/IP stack for vMotion traffic.
• D. Use Network I/O Control to define a reservation for vMotion traffic.

Answer: A

Explanation:
https://kb.vmware.com/s/article/2007467
https://communities.vmware.com/t5/VMware-vSphere-Discussions/vmotion-load-balanced-across-multiple-uplinks-on-distributed/td-p/491336
https://www.virtuallyboring.com/multi-nic-vmotion/
We maintain the 2 x 1 GbE network adapters for vMotion and then configure multiple VMkernel interfaces using the same NIC and network. Each time you add a VMkernel adapter and enable it for vMotion, you create a new stream. With more streams, there is greater bandwidth utilization.

NEW QUESTION # 59
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?

• A. The development cluster has more available RAM per host
• B. The database tier breaches a single NUMA node boundary for the benchmarking cluster
• C. The development cluster can support a lower %Ready time per vCPU
• D. The database tier breaches a single NUMA node boundary for the development cluster

Answer: B

Explanation:
https://blogs.vmware.com/performance/2017/03/virtual-machine-vcpu-and-vnuma-rightsizing-rules-of-thumb.html

NEW QUESTION # 60
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.)

• A. The customer will update their hardware standard to support rack mount servers
• B. The backup service will store data in a secure facility
• C. The backup service has sufficient capacity for the new requirements
• D. All virtual machines will be deployed with the same resource profile for production and development
• E. The clusters will have a minimum redundancy of N+1

Answer: C,E

NEW QUESTION # 61
Which requirement would be classified as a functional requirement within the design documentation?

• A. Virtual machines must be patched within one month of the patch release date.
• B. The system must perform virtual machine backups through an API.
• C. Virtual machines must be restarted within 30 minutes of a host failure.
• D. The system must be able to scale to support 500 concurrent virtual machines.

Answer: D

NEW QUESTION # 62
As part of a new hybrid cloud initiative for a large financial company, the customer technical team is presenting an overview of the current state of the infrastructure and their vision for a new solution.
The project team captures notes during the presentation and adds them to the discovery documentation. Which of the listed statements is a design constraint?

• A. The two data center locations have a network latency of 8 ms round-trip time (RTT)
• B. The applications are created in-house with in-guest recovery protection
• C. The maximum tolerable data loss is 10 minutes
• D. The existing storage is out of maintenance

Answer: A

Explanation:
Networking Requirements for vSAN
Maximum of 1 ms RTT for standard (non-stretched) vSAN clusters between all hosts in the cluster Maximum of 5 ms RTT between the two main sites for stretched clusters Maximum of 200 ms RTT from a main site to the vSAN witness host
https://docs.vmware.com/en/VMware-vSphere/7.0/com.vmware.vsphere.vsan-planning.doc/GUID-AFF133BC-F4B6-4753-815F-20D3D752D898.html

NEW QUESTION # 63
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.)

• A. Use vSAN native support for WSFC
• B. Use the SMB 2.1 protocol for sharing disks
• C. Use NFS 4.1 shares for quorum and shared disk
• D. Run WSFC on vSAN iSCSI Target Service
• E. Use raw device mapping (RDM)

Answer: A,B

NEW QUESTION # 64
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?

• A. 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.
• B. 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.
• C. 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.
• D. 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.

Answer: D

NEW QUESTION # 65
An architect is designing storage for a new vSphere environment to meet the following requirements:
Asynchronous replication is required between two sites.
The impact on the storage layer should not impact the performance of the compute layer.
Each application tier will require different replication attributes.
Virtual machine live migration across compute and storage must be supported.
Virtual machine aware back up will be leveraged.
Operational management overhead should be minimized.
Operational automation should be supported.
Which storage design recommendations would meet the requirements?

• A. Two new storage arrays will be deployed, one at either site.
  vSphere Volumes (vVOLs) will be used to provide policy-based management for each application tier. Data replication will be offloaded to the new arrays.
• B. Two new ISCSI storage arrays will be deployed, one at either site.
  Each application tier will be initially provisioned a new LUN. Data replication will be offloaded to the new arrays.
• C. Two new Fibre Channel storage arrays will be deployed, one at either site.
  Each application tier will be initially provisioned a new LUN. Data replication will be offloaded to the new arrays.
• D. Two new vSphere clusters enabled with vSAN will be deployed, one at either site. vSAN will be used to provide policy-based management for each application tier.
  vSphere Replication will be used to replicate the virtual machine data in an asynchronous configuration.

Answer: D

NEW QUESTION # 66
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?

• A. Recoverability
• B. Security
• C. Manageability
• D. Availability

Answer: C

Explanation:
https://securityboulevard.com/2020/12/building-non-functional-requirements-framework-requirements-categories/

NEW QUESTION # 67
A customer is deploying a new cluster and wants to be able to patch and update two hosts in parallel. The cluster must be able to maintain N+1 resiliency across the remaining hosts while patching activities are performed. The current expected utilization of the platform requires a minimum of two hosts to support all of the virtual machines.
What is the minimum number of hosts the customer will require in the cluster in order to meet the required resiliency level?

• A. Four
• B. Five
• C. Six
• D. Seven

Answer: B

NEW QUESTION # 68
Refer to the exhibit.
During a requirements gathering workshop, a customer shares the following diagram regarding their availability service-level agreements (SLAs):

The customer states that there is no application level availability for legacy applications.
Which recommendation could the architect make to meet the customer's high availability requirements for the legacy applications virtual machines?

• A. Enable vSphere HA and add a VM Override with VM Restart Priority set to Lowest
• B. Enable Fault Tolerance
• C. Enable vSphere HA and add a VM Override with VM Restart Priority set to Disabled
• D. Achieve application availability with snapshots

Answer: A

NEW QUESTION # 69
Which two of the listed requirements would be classified as performance non-functional requirements? (Choose two.)

• A. The vSphere platform must be able to provide N+1 redundancy
• B. The vSphere platform must be able to provide a recovery time objective of 30 minutes
• C. The vSphere platform must be able to provide a service-level agreement (SLA) of 99,9%
• D. The vSphere platform must be able to provide a maximum read latency of 15 ms
• E. The vSphere platform must be able to provide a minimum throughput of 400 MB/s

Answer: D,E

NEW QUESTION # 70
An architect is considering placement of virtual machines within an existing VMware software-defined data center (SDDC).
During the discovery phase, the following information is documented:
Cluster One
Six ESXi hosts
vSphere HA with host failures cluster tolerates = 1
Proactive HA is enabled and set to automated
Fully Automated vSphere DRS
Transparent Page Sharing (TPS) is enabled
Cluster Two
Eight ESXi hosts
vSphere HA with host failures cluster tolerates = 1
Proactive HA is disabled
Partially Automated vSphere DRS
Transparent Page Sharing (TPS) is disabled
Cluster Three
Three ESXi hosts
vSphere HA with admission control is disabled
Proactive HA is not supported
Transparent Page Sharing (TPS) is disabled
Virtual Machine Resource Profile 1
Memory sharing techniques should not be used
Virtual machines should be automatically restarted in the event of host failure if resources are available Automated initial virtual machine placement Virtual Machine Resource Profile 2 Memory sharing techniques should not be used Virtual machines should be automatically restarted in the event of host failure regardless of available resources Automated initial virtual machine placement Which two recommendations should the architect make for placement of the virtual machines to meet resource profile requirements? (Choose two.)

• A. All virtual machines matching Virtual Machine Resource Profile 2 should be placed on Cluster One.
• B. All virtual machines matching Virtual Machine Resource Profile 2 should be placed on Cluster Three.
• C. All virtual machines matching Virtual Machine Resource Profile 1 should be placed on Cluster Two.
• D. All virtual machines matching Virtual Machine Resource Profile 2 should be placed on Cluster Two.
• E. All virtual machines matching Virtual Machine Resource Profile 1 should be placed on Cluster One.

Answer: B,E

NEW QUESTION # 71
Which two statements are true about gathering functional business and application requirements? (Choose two.)

• A. It is a non-iterative process
• B. It builds stakeholder consensus
• C. It might require multiple rounds of stakeholder interviews
• D. It focuses on functional requirements with C-level stakeholders
• E. It leverages a single set of

Answer: B,C

Explanation:
You interview stakeholders and conduct workshops to gather requirements and build consensus. Gathering requirements is an iterative process, which might require multiple rounds of interviews. Asking the right questions is vital, and you must gather both functional and nonfunctional requirements. A good strategy for a successful project is to bring the correct people together and build consensus.

NEW QUESTION # 72
......

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