Pass Your VCAP-DCV Design 2021 3V0-21.21 Exam on Jan 03, 2024 with 90 Questions
3V0-21.21 Free Exam Study Guide! (Updated 90 Questions)
To prepare for the VMware 3V0-21.21 certification exam, it is recommended that you have hands-on experience with VMware vSphere 7.x technology, as well as a solid understanding of virtualization concepts and principles. You should also have knowledge of other VMware technologies, such as vSAN and NSX, and be familiar with industry best practices and design principles. By passing the 3V0-21.21 exam, you will demonstrate your knowledge and skills in advanced VMware vSphere 7.x design and be recognized as an expert in the field.
VMware 3V0-21.21 certification exam is an excellent way for IT professionals to demonstrate their advanced knowledge and skills in designing and implementing vSphere solutions. It is a highly respected certification in the IT industry and is recognized globally. Those who pass the exam are considered experts in the field and are highly valued by employers. If you are an IT professional with a deep understanding of vSphere architecture and its various components, the VMware 3V0-21.21 certification exam may be the perfect way to advance your career.
VMware 3V0-21.21 exam is a comprehensive test that covers a wide range of topics related to VMware vSphere 7.x design. 3V0-21.21 exam is designed to test your ability to analyze business requirements, design and validate vSphere 7.x solutions, and implement and manage these solutions in a production environment. You will be tested on your ability to design and implement storage, networking, and compute resources in a virtualized environment, as well as your understanding of security, automation, and disaster recovery solutions.
NEW QUESTION # 47
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. NVIDIA vGPU
- B. vSphere Bitfusion
- C. vSphere DirectPath I/O
- D. AMD MxGPU
- E. vSGA
Answer: A,E
NEW QUESTION # 48
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 # 49
Which design decision must be included in a design to allow for the deployment of a minimum supported configuration of vCenter High Availability (HA)?
- A. A new subnet will be provisioned for vCenter HA services
- B. The deployed vCenter Server will be Tiny
- C. A vSphere cluster will consist of more than three nodes
- D. The vCenter HA network will support a latency of less than 50 ms
Answer: A
Explanation:
https://docs.vmware.com/en/VMware-vSphere/7.0/com.vmware.vsphere.avail.doc/GUID-8FD87389-8CC9-4298-8B08-A1526FB44524.html
NEW QUESTION # 50
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:
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 1 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 2 should be placed on Cluster One.
- 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 Two.
Answer: B,E
Explanation:
https://docs.vmware.com/en/VMware-vSphere/7.0/com.vmware.vsphere.resmgmt.doc/GUID-FEAC3A43-C57E-49A2-8303-B06DBC9054C5.html
NEW QUESTION # 51
During a requirements gathering workshop, the customer provides the following information:
Each host has 2 * 10 GbE NIC
EtherChannel is not currently configured
No changes can be made to the physical network
Network throughput must be prioritized for defined critical services
Which two recommendations should the architect make with regard to virtual networking? (Choose two.)
- A. Use Network I/O Control with Reservation.
- B. Use Link Aggregation Control Protocol (LACP).
- C. Use Network I/O Control with Shares.
- D. Use Network I/O Control with Limits.
- E. Use Route Based on Physical NIC Load.
Answer: A,C
NEW QUESTION # 52
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?
- 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
Answer: B
NEW QUESTION # 53
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?
- A. Two
- B. One
- C. Three
- D. None
Answer: A
NEW QUESTION # 54
An architect is preparing a design for a customer. Based on requirements, the architect recommends an HCI- based infrastructure with all-flash architecture. During the assessment, it is confirmed that the network throughput generated by virtual machines does not exceed 150 Mb/s.
What is the minimum number and type of network adapters in each server that the architect can recommend to ensure requirements are met and there is no single point of failure?
- A. Two 1 GbE network adapters per server
- B. Four 10 GbE network adapters per server
- C. Four 1 GbE network adapters per server
- D. Two 10 GbE network adapters per server
Answer: D
Explanation:
HCI-based infrastructure with all-flash architecture
minimum number and type of network adapters so ensure requirements are met and there is no single point of failure Networking Requirements for vSAN Dedicated 1 Gbps for hybrid configurations Dedicated or shared 10 Gbps for all-flash configurations
NEW QUESTION # 55
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 a recovery time objective of 30 minutes
- B. The vSphere platform must be able to provide a minimum throughput of 400 MB/s
- C. The vSphere platform must be able to provide N+1 redundancy
- 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 service-level agreement (SLA) of 99,9%
Answer: A,D
NEW QUESTION # 56
Which two of the listed requirements would be classified as manageability non-functional requirements? (Choose two.)
- A. ESXi host updates must be installed within one week of release
- B. vSphere Fault Tolerance must be supported to improve application uptime
- C. The vSphere environment must support administrator password rotation
- D. ESXi clusters must scale when compute resources are sustained above 70% for five business days
- E. ESXi clusters must scale to 500 concurrent virtual machines
Answer: A,D
NEW QUESTION # 57
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. Achieve application availability with snapshots
- B. Enable vSphere HA and add a VM Override with VM Restart Priority set to Lowest
- C. Enable vSphere HA and add a VM Override with VM Restart Priority set to Disabled
- D. Enable Fault Tolerance
Answer: B
NEW QUESTION # 58
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. Availability
- B. Recoverability
- C. Manageability
- D. Security
Answer: D
Explanation:
This is lifecycle management function. The requirement is system critical patches, not system security patches.
NEW QUESTION # 59
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?
- A. Stateless cached vSphere Auto Deploy
- B. Stateless vSphere Auto Deploy
- C. Stateful vSphere Auto Deploy
- D. Manual install of each ESXi host with an image from USB
Answer: A
NEW QUESTION # 60
An architect decides to separate virtual desktops and application servers into separate vSphere clusters to meet security and management requirements.
What are two implications of this design decision? (Choose two.)
- A. There will be additional licensing and cost requirements for both clusters.
- B. There will be a reduction in performance.
- C. There will be an increase in management overhead.
- D. The patching cycles will affect both clusters at the same time.
- E. Identical hardware must be procured for all hosts.
Answer: B,C
NEW QUESTION # 61
An architect is reviewing a physical storage design. The customer has specified that a new active-passive based storage array will be used to provide storage for the vSphere clusters.
Which configuration should for the architect recommended?
- A. VMW_SATP_LOCAL
- B. VMW_PSP_MRU
- C. VMW_PSP_FIXED
- D. VMW_SATP_DEFAULT_AA
Answer: B
Explanation:
The Most Recently Used (VMware) policy is enforced by VMW_PSP_MRU. It selects the first working path discovered at system boot time. The Most Recently Used policy does not use the preferred path setting. This policy is default for most active-passive storage devices. https://docs.vmware.com/en/VMware-vSphere/6.7/vsphere-esxi-vcenter-server-671-storage-guide.pdf
NEW QUESTION # 62
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?
- A. Small
- B. Large
- C. Tiny
- D. Medium
Answer: B
Explanation:
Reference:
https://docs.vmware.com/en/VMware-vSphere/7.0/com.vmware.vcenter.install.doc/GUID-077C7523-E0EA-4922-8D48-C026916323C4.html#:~:text=For%20tiny%20deployment%20size%2C%20deploys%20the%20appliance%20with%203245%20GB,with%203525%20GB%20of%20storage.
NEW QUESTION # 63
A customer has a database cluster with 40/60 read/write ratio and a high IOPs requirement with no contention on an all-flash vSAN cluster.
Which two storage settings should be configured for best performance? (Choose two.)
- A. Deduplication and Compression disabled
- B. RAID 1
- C. IOPs limits enabled
- D. RAID 5/6
- E. Deduplication and Compression enabled
Answer: B,C
NEW QUESTION # 64
An organization's existing vSphere environments are configured for Enhanced Linked Mode. The DevOps team automates the creation of hardened virtual machine images for various operating systems. Their continuous integration/continuous delivery (CI/CD) pipeline runs a task at the end of a successful build, which uploads the Open Virtualization Format (OV) image to a sandbox content library, deploys a virtual machine from the image, and then destroys these objects after quality checks are complete.
The following requirements have been noted:
All content libraries and images must be centrally created and managed.
All images must be capable of being updated.
All images must be refreshed and available to subscribed libraries within 24 hours.
All images must provide details of the image contents and versions.
All images must be capable of being reverted to a previous version.
All images must be capable of having the hardware and guest operating system customized during deployment.
Which three recommendations should the architect make to design a content library solution that will meet these requirements? (Choose three.)
- A. Create and publish a new subscription to a new subscriber library for each target vSphere environment.
- B. Deploy the OVF images to vSphere and clone as an OVF template to a local content library.
- C. Deploy the OVF images to vSphere and clone as a VM template to a local content library.
- D. Add a new subscriber library from each vSphere environment.
- E. Edit the Auto Sync Refresh Interval advanced setting for each subscribed library.
- F. Create a local content library in the primary vSphere environment and enable publishing.
Answer: B,D,F
NEW QUESTION # 65
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?
- A. Small
- B. Large
- C. Tiny
- D. Medium
Answer: B
NEW QUESTION # 66
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?
- A. Configure Proactive HA Automation Level: Automated
Remediation: Maintenance mode for all failures
Consider an OEM with NIC failure conditions in their Proactive HA plugin - B. Configure vSphere HA
Configure % based admission control Configure two isolation addresses
Consider an OEM with NIC failure conditions in their Proactive HA plugin - C. Configure vSphere HA
Set das.IgnoreRedundantNetWarning to true
Consider an OEM with NIC failure conditions in their Proactive HA plugin - D. Configure vSphere HA
Configure two existing data stores for heartbeat
Consider an OEM with NIC failure conditions in their Proactive HA plugin
Answer: B
NEW QUESTION # 67
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