3V0-21.23 Free Exam Study Guide! (Updated 94 Questions)
3V0-21.23 Dumps for VCAP-DCV Design Certified Exam Questions and Answer
NEW QUESTION # 32
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_PSP_MRU
- B. VMW_SATP_LOCAL
- C. VMW_SATP_DEFAULT_AA
- D. VMW_PSP_FIXED
Answer: A
Explanation:
VMW_PSP_MRU - Most
Recently Used
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 # 33
What is the purpose of creating a vCenter Server logical design?
- A. To ensure the design meets the required industry regulations and standards.
- B. To determine the hardware and infrastructure requirements for vCenter Server.
- C. To provide an abstract representation of vCenter Server's structure and components.
- D. To identify the specific tasks and operations vCenter Server should perform.
Answer: C
NEW QUESTION # 34
An architect is tasked with designing a new vSphere environment for a customer. The new environment must:
Be standardized, repeatable, and consistent
Contain the same common heterogenous components that run from commercial hardware across an on- premises, edge, and broad hybrid cloud eco-system Provide intrinsic and intelligent security in every component from the hypervisor to the storage, networking, and management layers Which VMware solution will satisfy these requirements?
- A. VMware
- B. VMware Validated Design
- C. VMware Validated Solutions
- D. VMware Cloud Foundation
Answer: D
Explanation:
VMware Cloud Foundation is an integrated solution that provides a standardized, repeatable, and consistent architecture for deploying and managing a vSphere-based environment. It is designed to run on heterogeneous hardware across on-premises, edge, and hybrid cloud environments. VMware Cloud Foundation integrates compute, storage, and networking in a single solution, making it ideal for environments that span multiple locations, including edge and hybrid cloud ecosystems.
VMware Cloud Foundation includes intrinsic and intelligent security features across the entire stack - from the hypervisor to storage, networking, and management layers, which aligns with the customer's security requirements.
NEW QUESTION # 35
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 # 36
What does determining compliance requirements for a vSphere design involve?
- A. Identifying the virtual machines and cores needed for the vSphere environment.
- B. Optimizing the system's data storage and retrieval processes.
- C. Ensuring the vSphere system meets industry regulations and standards.
- D. Specifying the hardware specifications required for the vSphere environment.
Answer: C
NEW QUESTION # 37
The following is a list of requirements from a discovery workshop for a new VMware hosting platform system design:
REQ001 - The architecture must support recoverability to the VMware Cloud Disaster Recovery (VCDR) service.
REQ002 - The architecture must support high availability (HA) and fault tolerance (FT).
REQ003 - The architecture must support reducing existing energy consumption and carbon footprint.
REQ004 - The architecture must provide support for network virtualization using distributed virtual switches.
Which requirement would be classified as a business (formerly functional) requirement?
- A. The architecture must support reducing existing energy consumption and carbon footprint.
- B. The architecture must support recoverability to the VMware Cloud Disaster Recovery (VCDR) service.
- C. The architecture must support high availability (HA) and fault tolerance (FT).
- D. The architecture must provide support for network virtualization using distributed virtual switches.
Answer: A
Explanation:
This is a business requirement because it aligns with corporate sustainability goals, focusing on reducing environmental impact. It is a high-level goal that can drive design decisions but is not directly related to the technical function or features of the system.
NEW QUESTION # 38
An architect is designing a new vSphere solution. The customer has provided the following information to describe how the solution will be used:
The solution will host development workloads
Administrators will utilize snapshots frequently, with snapshots sometimes retained for extended periods of time Some of the workloads are sensitive to latency on the I/O of the storage Storage for the workloads will be provided by a physical array The physical array does not include a storage provider All workloads must be hosted on the solution, there are no other vSphere environments available for use Which design decision should the architect make to meet the needs of the customer?
- A. Use a storage array which supports VMware vSphere APIs: Array Integration (VAAI) to configure VMFS datastores for the workloads
- B. On workloads which will use snapshots, set the latency-sensitivity=high advanced setting
- C. On workloads which are sensitive to latency, set the latency-sensitivity=high advanced setting
- D. Use a storage array which supports vSphere Storage APIs - Storage Awareness (VASA) to configure Virtual Volumes (vVols) datastores for the workloads
Answer: D
NEW QUESTION # 39
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 database tier breaches a single NUMA node boundary for the benchmarking cluster
- B. The development cluster can support a lower %Ready time per vCPU
- C. The database tier breaches a single NUMA node boundary for the development cluster
- D. The development cluster has more available RAM per host
Answer: A
NEW QUESTION # 40
Which requirement would be classified as a functional requirement within the application design documentation?
- A. Penetration testing must be executed quarterly with a pass rate of 80% or higher.
- B. The application must be capable of handling 200 transactions per second.
- C. The application must be hosted with redundancy levels of N+1 or better.
- D. Administrators must monitor the network traffic of the desired systems.
Answer: D
Explanation:
Functional requirements describe what a system or solution must do. The requirements include the following categories:
Business rules: For example, the architecture must support both the primary and secondary data centers.
Administrative functions: For example, network and security administrators must monitor the network traffic of the desired systems.
NEW QUESTION # 41
Which element of a design includes physical server specifications, network configurations, and storage details?
- A. Architectural design.
- B. Logical design.
- C. Physical design.
- D. Conceptual design.
Answer: C
NEW QUESTION # 42
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 vSphere HA
Configure two existing data stores for heartbeat
Consider an OEM with NIC failure conditions in their Proactive HA plugin - B. Configure Proactive HA
Automation Level: Automated
Remediation: Maintenance mode for all failures
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 % based admission control
Configure two isolation addresses
Consider an OEM with NIC failure conditions in their Proactive HA plugin
Answer: B
Explanation:
There is an SLA requirement of VMs needing 15 Gbps Network connectivity at all times. To honor the SLA, VMs need to be migrated to a different host if there is at least one nic failure. It's not necessarily true ( option A) that these two NICs are being used to connect to different networks for configuring multiple isolation addresses.
https://docs.vmware.com/en/VMware-vSphere/7.0/com.vmware.vsphere.avail.doc/GUID-
3E3B18CC-8574-46FA-9170-CF549B8E55B8.html
NEW QUESTION # 43
There is a request for approved virtual machine applications through a new vSphere platform's integrated automation portal. The platform was built following all provided company security guidelines and has been assessed against Sarbanes-Oxley Act of 2002 (SOX) regulations.
The platform has the following characteristics:
- vRealize Operations is being used to monitor all clusters.
- There is a dedicated ESXi cluster, supporting all management services.
All network traffic is via distributed virtual switches (DVS).
- There is a dedicated ESXi cluster for all line-of-business applications.
Network traffic is serviced by NSX-T.
- There is a dedicated ESXi cluster for virtual desktop infrastructure (VDI).
Network traffic is serviced by NSX-T.
The application owner is requesting approval to install a new service that must be protected as per the Payment Card Industry (PCI) Data Security Standard.
Which additional non-functional requirement should the architect include in the design to support the new service?
- A. The vSphere hosting platform and all PCI application virtual machines must be assessed for SOX compliance.
- B. The vSphere hosting platform and all PCI application virtual machine network traffic must be routed via NSX-T.
- C. The vSphere hosting platform and all PCI application virtual machines must be monitored using the vRealize Operations Compliance Pack for Payment Card Industry.
- D. The vSphere hosting platform and all PCI application virtual machines must be assessed against Payment Card Industry (PCI) Data Security Standard compliance.
Answer: C
Explanation:
NFR - Any requirement that specifies how the system performs a certain function.
In this case using vRealize Operations Compliance Pack for PCI.
NEW QUESTION # 44
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 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. - 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 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.
Answer: D
Explanation:
https://www.vmware.com/content/dam/digitalmarketing/vmware/en/pdf/products/virtualvolumes/v mw-vsphere-virtual-volumes-vvolvs-solution-overview.pdf
NEW QUESTION # 45
How are SLA requirements different from performance requirements?
- A. SLA requirements relate to client agreements, while performance requirements deal with network connectivity.
- B. SLA requirements define expected levels of system performance and availability, while performance requirements focus on specific metrics.
- C. SLA requirements specify the system's tasks, while performance requirements define the expected levels of system operation.
- D. SLA requirements focus on hardware specifications, while performance requirements focus on data storage.
Answer: B
NEW QUESTION # 46
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. Deploy the OVF images to vSphere and clone as a VM template to a local content library.
- B. Edit the Auto Sync Refresh Interval advanced setting for each subscribed library.
- C. Create a local content library in the primary vSphere environment and enable publishing.
- D. Add a new subscriber library from each vSphere environment.
- E. Create and publish a new subscription to a new subscriber library for each target vSphere environment.
- F. Deploy the OVF images to vSphere and clone as an OVF template to a local content library.
Answer: A,C,D
Explanation:
As only VM templates can be edited and keep different versions.
NEW QUESTION # 47
How do you determine compute resource requirements for vSphere hosts?
- A. By calculating the network bandwidth needed for data transfer.
- B. By identifying the number and type of virtual machines that will run on the hosts.
- C. By specifying the amount of storage required for the vSphere hosts.
- D. By optimizing the hardware specifications and infrastructure of the hosts.
Answer: B
NEW QUESTION # 48
An architect is tasked with recommending a solution for a company that is running out of VLANs.
Currently the company is running two separate data centers based on vSphere including an Enterprise Plus license.
In the first data center, the problem was solved by using VMware NSX and overlay network. In the second data center, there is currently no VMware NSX implementation in place and no budget for additional licenses.
What should the architect recommend as a potential solution to provide support for additional VLANs?
- A. Virtual Guest Tagging (VGT)
- B. vSwitch VLAN Tagging (VST)
- C. Separate Distributed Virtual Switches (DVS)
- D. Private VLANs (PVLAN)
Answer: D
Explanation:
Private VLAN configuration allows for higher VLAN limits.
NEW QUESTION # 49
An architect is documenting the logical design for a new vSphere solution. The following requirements have been provided to the architect by the customer for the design:
The solution must be deployed in two locations: DC1 and DC2
The solution must limit the impact radius of accidental changes by administrators The solution must meet a recovery time objective (RTO) of four (4) hours and recovery point objective (RPO) of 24 hours The solution must allow workloads to run in both DC1 and DC2 during normal operations The solution must allow workloads to be moved bi-directionally between DC1 and DC2 The solution must use hyper-converged infrastructure for the virtual machine storage The customer has also confirmed that the network connection between DC1 and DC2 has a 10 Gbps bandwidth with a maximum round trip latency of 4 ms.
The architect recommends the following design decision:
Use separate clusters in DC1 and DC2 to form a multi-region design
What should the architect include as justification for this design decision?
- A. Using separate clusters is the only configuration available that supports the RTO of four (4) hours.
- B. Using separate clusters mitigates the risk of an accidental change at the cluster level in DC1 from impacting DC2.
- C. Sufficient capacity must be deployed in both DC1 and DC2 to support all running virtual machines.
- D. The network connection between DC1 and DC2 does not support the use of stretched clusters.
Answer: B
Explanation:
Separate clusters in DC1 and DC2 provide logical isolation between the two data centers. This means that an accidental change or misconfiguration in one cluster (e.g., DC1) will not affect the other cluster (e.g., DC2).
This isolation meets the customer's requirement to limit the impact radius of accidental changes by administrators. By having separate clusters, the risk of cross-site or cross-cluster disruptions is minimized, ensuring better fault tolerance and administrative control.
NEW QUESTION # 50
An architect is responsible for the lifecycle management design for a brownfield vSphere-based solution.
The following information has been provided during initial meetings around the new solution:
Existing heterogeneous server hardware will be used to provide the hosting platform.
The available hardware is:
- 10 servers that contain 2 x 20-Core Intel Xeon processors and 512 GB RAM from Vendor A
- 10 servers that contain 2 x 24-Core Intel Xeon processors and 768 GB RAM from Vendor A
- 20 servers that contain 2 x 16-Core AMD EPYC processors and 512 GB RAM from Vendor B
- 10 servers that contain 1 x 24-Core AMD EPYC processors and 256 GB RAM from Vendor B All of the hardware is currently listed on the VMware Hardware Compatibility List (HCL).
All existing server hardware has 36 months vendor support remaining.
The requirements from the customer are:
REQ001 - The solution must support the hosting of 5,000 workloads spread across two physical sites.
REQ002 - The solution should minimize the number of clusters.
REQ003 - The solution must ensure that there is no impact to service when completing upgrades.
Given the resource requirements needed for the solution, the architect has calculated that all of the existing servers will be required to provide sufficient resources for the new environment. The Intel-based (Vendor A) servers will be deployed to the primary site and both the Intel-based and AMD-based servers (Vendor B) will be deployed to the secondary site.
Which assumption should the architect make to support the lifecycle management of vSphere 8?
- A. The different processor architectures will be located in the same cluster to support vSphere Lifecycle Manager image-based remediation.
- B. The different processor architectures across both sites will remediate against a single vSphere Lifecycle Manager image.
- C. The different processor architecture within a single site will remediate against a single vSphere Lifecycle Manager image.
- D. The different processor architectures across both sites will remediate against a shared vSphere Lifecycle Manager baseline.
Answer: C
Explanation:
vSphere Lifecycle Manager (vLCM) is used to manage ESXi host configurations and software versions in a consistent and streamlined manner. In this case, the architect needs to account for the heterogeneous hardware across two sites (Intel and AMD-based servers).
Since Intel and AMD processors are incompatible for remediation with a single vSphere Lifecycle Manager image, the different processor architectures should be grouped by site (not across sites). Within each site, vLCM can manage a single image per processor architecture, ensuring that each site'shosts with compatible processors are remediated consistently. Intel-based servers will be managed with one image and AMD-based servers with another image, but they can be managed in separate sites.
This approach avoids the issue where heterogeneous hardware with different processor types would need separate images. By keeping them within the same site, the architecture simplifies the lifecycle management and meets the requirement for minimizing clusters and ensuring service availability during upgrades.
NEW QUESTION # 51
What is the primary function of vCenter Server in a vSphere environment?
- A. To provide a platform for virtual machine storage
- B. To manage and secure the physical network infrastructure
- C. To manage and monitor virtual machines and ESXi hosts
- D. To provide licensing for vSphere products
Answer: C
NEW QUESTION # 52
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