[Dec-2024] The Best VCAP-DCV Design Study Guide for the 3V0-21.23 Exam
3V0-21.23 certification guide Q&A from Training Expert ValidDumps
NEW QUESTION # 34
Refer to the exhibit. During a requirements gathering workshop, the customer shares the following diagram regarding their availability service-level agreements (SLAs):
The customer wants database application level availability to always take precedence.
What should the architect recommend to meet the customer's requirement?
- A. Enable vSphere HA and add a VM Override with VM Restart Priority set to Lowest.
- B. Enable Sphere HA and maintain the default settings.
- C. Enable Fault Tolerance.
- D. Enable vSphere HA and add a VM Override with VM Restart Priority set to Highest.
Answer: D
Explanation:
default is medium, lowest cannot address the requirement "take precedence" to "database application level".
NEW QUESTION # 35
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. Add a new subscriber library from each vSphere environment.
- B. Create a local content library in the primary vSphere environment and enable publishing.
- C. Deploy the OVF images to vSphere and clone as an OVF template to a local content library.
- D. Deploy the OVF images to vSphere and clone as a VM template to a local content library.
- E. Create and publish a new subscription to a new subscriber library for each target vSphere environment.
- F. Edit the Auto Sync Refresh Interval advanced setting for each subscribed library.
Answer: A,B,D
Explanation:
As only VM templates can be edited and keep different versions.
NEW QUESTION # 36
Which requirement would be classified as a functional requirement within the design documentation?
- A. Virtual machines must be restarted within 30 minutes of a host failure.
- B. The system must be able to scale to support 500 concurrent virtual machines.
- C. Virtual machines must be patched within one month of the patch release date.
- D. The system must perform virtual machine backups through an API.
Answer: B
Explanation:
Product feature = functional requirement
NEW QUESTION # 37
An architect is tasked with expanding an existing VMware software-defined data center (SDDC) solution so that it can be used to deliver a virtual desktop infrastructure (VDI) service off-shore development activities.
The production environment is currently delivered across two geographically dispersed data centers. The two data centers are currently connected to each other through multiple diversely routed, high bandwidth and low latency links.
The current operations management components are deployed to a dedicated management cluster that is configured with N+1 redundancy. The current VMware software-defined data center (SDDC) has a monthly availability target of 99.5%, which includes all management components.
The customer requires that the new solution scale to support the concurrent running of 500 persistent virtual desktops. The virtual desktops must not share the same virtual infrastructure as existing virtual machines, but can be managed using the same VMware operations management components.
Any new VDI service management components must be installed into the management cluster. There is no requirement to back up the virtual desktops because all relevant user data is stored centrally. The VDI service is providing business critical services and must have an availability target of 99.9%.
Given the information from the customer, which two assumptions would the architect include in the design? (Choose two.)
- A. The existing management cluster has enough available capacity to host any VDI service management component
- B. The existing virtual infrastructure has sufficient capacity to host the new VDI workloads
- C. The existing operations monitoring tools have sufficient capacity to monitor the new VDI services
- D. The management cluster has N+1 redundancy
- E. The VDI service has a higher service-level agreement (SLA) than the operations management SLA
Answer: A,C
NEW QUESTION # 38
What does determining compliance requirements for a vSphere design involve?
- A. Ensuring the vSphere system meets industry regulations and standards.
- B. Specifying the hardware specifications required for the vSphere environment.
- C. Identifying the virtual machines and cores needed for the vSphere environment.
- D. Optimizing the system's data storage and retrieval processes.
Answer: A
NEW QUESTION # 39
Following a recent acquisition, an architect needs to merge IT assets into its current data center.
The combined vSphere environment will need to run the newly acquired company's virtual machines.
Network integration work has already been completed and the current environment has capacity to host all virtual machines. The Operations team needs to identify which virtual machines belong to the acquired company and report on their usage.
How should the architect merge the company's assets and virtual machines?
- A. Migrate the acquired company's virtual machines into the existing vSphere environment
- B. Leave the newly acquired company's assets in its current place
- C. Migrate and apply vSphere tags to the acquired company's virtual machines
- D. Lift and shift the acquired assets into the data center
Answer: C
Explanation:
The Operations team needs to identify which virtual machines belong to the acquired company and report on their usage.
We can use tags to report on usage.
NEW QUESTION # 40
In the context of the AMPRSS framework, what does "Manageability" refer to?
- A. The ease with which system administrators can manage and monitor the system.
- B. The capability of the system to resist and recover from security attacks.
- C. Optimizing the system's performance for efficient resource utilization.
- D. The ability of the system to handle increased user loads.
Answer: A
NEW QUESTION # 41
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. Combine vMotion and Management traffic to make use of four adapters.
- B. Use Network I/O Control to define a reservation for vMotion traffic.
- C. Configure a dedicated TCP/IP stack for vMotion traffic.
- D. Implement Multi-NIC vMotion by adding additional vMotion VMkernels.
Answer: D
Explanation:
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 # 42
Refer to the exhibit.
During a requirements gathering workshop, the architect shares the following diagram:
What should the architect recommend for guaranteed throughput for each service?
- A. Use the Route Based on IP Hash for ESXi management and VM network
Use failover with pNIC1 as Active for backup network
Create a link aggregation group (LAG) for vDS_02 - B. Create a link aggregation group (LAG) for vDS_01
Use the Route Based on Physical NIC Load for vMotion
Use the Route Based on Physical NIC Load for replication - C. Use the Route Based on IP Hash for ESXi management and VM network
Use the Route Based on IP Hash for backup network
Use the Route Based on the Originating Virtual Port for vMotion
Use failover with pNIC3 as Active for replication - D. Use explicit failover order with pNIC0 as Active for ESXi Management and VM Network Use explicit failover order with pNIC1 as Active for backup network Use explicit failover order with pNIC2 as Active for vMotion Use explicit failover order with pNIC3 as Active for replication
Answer: D
Explanation:
We must provide guaranteed throughput for each service, not maximum performance. VM network and backup is not a service, only VMotion, replication, management. The problem is that in A VM network and management is together. In this scenario backup and VM network should be together. From the load point of view, it makes sense, as backup can saturate 100% of NIC but it is not service.
NEW QUESTION # 43
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.
Deploy a vCenter Server for all remaining clusters.
Create a shared SSO domain across all physical sites. - B. 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. - 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.
Answer: C
NEW QUESTION # 44
How is the physical and storage connectivity topology determined in a vSphere environment?
- A. By evaluating the storage architecture options such as SAN, local storage, or HCI.
- B. By considering the physical connections and pathways between storage devices and vSphere hosts.
- C. By identifying the type of data traffic and communication requirements in the environment.
- D. By specifying the expected levels of system performance and responsiveness.
Answer: B
NEW QUESTION # 45
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.)
- A. Configure the chrony time-sync agent on each virtual machine guest operating system.
- B. Use Microsoft Windows Server as the guest operating system.
- C. Add a precision clock virtual device to each virtual machine running the application.
- D. Add a virtual watchdog timer (VWDT) device to each virtual machine running the application.
- E. Use a Linux distribution as the guest operating system.
- F. Set the virtual hardware device to use Host System Time (NTP) for each virtual machine running the application.
Answer: A,C,E
NEW QUESTION # 46
Why are disaster recovery requirements essential for a vSphere design?
- A. To specify the number of virtual machines and cores needed for the vSphere environment.
- B. To optimize the network protocols and configurations for data transfer.
- C. To plan for the recovery and restoration of critical services and data in case of disasters or failures.
- D. To identify the specific tasks and operations the vSphere system should perform.
Answer: C
NEW QUESTION # 47
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. Manageability
- C. Security
- D. Recoverability
Answer: B
NEW QUESTION # 48
What is the main focus of determining disaster recovery requirements for a vSphere design?
- A. To optimize the network protocols and configurations for data transfer.
- B. To plan for the recovery and restoration of critical services and data in case of a disaster.
- C. To ensure the confidentiality, integrity, and availability of data and resources in the vSphere environment.
- D. To identify the specific tasks and operations the vSphere system should perform.
Answer: B
NEW QUESTION # 49
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.)
- A. IOPS
- B. %Ready
- C. Ballooned memory
- D. Disk Write latency
- E. CPU
Answer: A,E
NEW QUESTION # 50
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.)
- A. The RTT on the link between the two data centers
- B. The use of vSAN ReadyNodes
- C. The use of only two data centers
- D. The network connectivity between data center sites
- E. The use of the existing backup service
Answer: D,E
NEW QUESTION # 51
Which vSphere feature allows an administrator to reduce the storage consumption of virtual machines by reclaiming blocks of unused storage space on a VMFS datastore?
- A. Storage vMotion
- B. vSphere vMotion
- C. Storage DRS (SDRS)
- D. vSphere Thin Provisioning
Answer: D
NEW QUESTION # 52
An architect is preparing a design for a company planning digital transformation. During the requirements gathering workshop, the following requirements (REQ) and constraints (CON) are identified:
- REQ01 The platform must host different types of workloads including applications that must be compliant with internal security standard.
- REQ02 The infrastructure must initially run 100 virtual machines.
- REQ03 Ten of the virtual machines must be compliant with internal security standard.
- REQ04 The internal security standard specifies logical network separation for in-scope applications.
- CON01 The customer has already purchased the licenses as part of another project.
- CON02 The customer has five physical servers that must be reused.
Additionally, based on resource requirements, four physical servers will be enough to run all workloads.
Which recommendation should the architect make to meet requirements while minimizing project costs?
- A. Use a single cluster and ensure that different security zones are separated at least with dedicated VLANs and firewall
- B. Use a single cluster and configure DRS anti-affinity rules to ensure internal security compliant virtual machines cannot migrate between ESXi hosts.
- C. Use Network I/O Control to ensure the internal security zone has higher share value
- D. Purchase additional servers and plan separate, isolated clusters for workloads that must be compliant with internal security
Answer: A
Explanation:
VLANs are needed for network logical isolation. The security policy does not talk about compute isolation.
NEW QUESTION # 53
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. All virtual machines will be deployed with the same resource profile for production and development
- C. The backup service will store data in a secure facility
- D. The backup service has sufficient capacity for the new requirements
- E. The clusters will have a minimum redundancy of N+1
Answer: D,E
Explanation:
B: The backup service has sufficient capacity for the new requirements
"All virtual machine backups must be completed using the existing backup service." The existing backup service may not have capacity or compatabiltiy for the new SDDC E: The clusters will have a minimum redundancy of N+1
"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" We assume N+1 is sufficient. They may require a higher level of redundancy.
NEW QUESTION # 54
In a vSphere environment, what is the purpose of a Distributed Resource Scheduler (DRS) affinity rule?
- A. To prioritize resource allocation for specific virtual machines
- B. To prevent virtual machines from being placed on the same host
- C. To ensure a virtual machine runs on a specific ESXi host at all times
- D. To define the level of resources a virtual machine can use
Answer: B
NEW QUESTION # 55
An architect is designing a vSphere environment for a customer based on the following information:
- The vSphere cluster will have three hosts only due to budget considerations.
- A database cluster (node majority) consisting of three virtual machines will be running on the vSphere cluster.
Which two recommendations can the architect make so that the customer achieves the highest level of application availability while taking into consideration operational resiliency- (Choose two.)
- A. Create VM-VM anti-affinity rules
- B. Disable vSphere HA during maintenance
- C. Set das.respectvmvmantiaffinityrules to false
- D. Create VM-Host anti-affinity rules
- E. Set das.ignoreinsufficienthbdatastore to true
Answer: A,C
Explanation:
das.respectvmvmantiaffinityrules
Determines if vSphere HA enforces VM-VM anti-affinity rules. The default value is "true" and rules are enforced even if vSphere DRS is not enabled. In this case, vSphere HA does not fail over a virtual machine if doing so violates a rule, but it issues an event reporting there are insufficient resources to perform the failover. This option can also be set to "false", whereby the rules are not enforced.
NEW QUESTION # 56
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