Accurate & Verified 2025 New 3V0-21.23 Answers As Experienced in the Actual Test!
3V0-21.23 Certification Sample Questions certification Exam
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. Set das.ignoreinsufficienthbdatastore to true
- B. Disable vSphere HA during maintenance
- C. Create VM-Host anti-affinity rules
- D. Set das.respectvmvmantiaffinityrules to false
- E. Create VM-VM anti-affinity rules
Answer: D,E
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
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?
- A. The solution will leverage a different array for each storage profile
- B. The solution will leverage a single storage array for all storage profiles
- C. The solution will leverage the same array for the backup and write-intensive storage profiles
- D. The solution will leverage a single storage array for the WORM archive and write-intensive storage profiles
Answer: A
NEW QUESTION # 57
Refer to the exhibit.
An architect is assigned a new project to design a VMware hybrid cloud solution.
The project is following a proven design methodology following the V-Model of systems engineering and verification. The selected methodology follows these phases: Assess, Design, Deploy and Validate.
Which activity would be conducted during the Design phase?
- A. The architect conducts a series of group interviews with stakeholders
- B. The architect helps stakeholders learn the mechanics of the solution
- C. The architect defines the scope of the project
- D. The architect resolves configuration issues and addresses concerns
Answer: D
NEW QUESTION # 58
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 the SMB 2.1 protocol for sharing disks
- B. Use vSAN native support for WSFC
- C. Use raw device mapping (RDM)
- D. Use NFS 4.1 shares for quorum and shared disk
- E. Run WSFC on vSAN iSCSI Target Service
Answer: B,E
NEW QUESTION # 59
An architect is designing a new greenfield environment with 600 ESXi hosts in an automated fashion. The engineering department already has a PXE Boot server, TFTP server, and DHCP server set up with an NFS mount for their current Linux servers.
The architect must be able to demonstrate and meet a security requirement to have all infrastructure processes separated.
Which recommendation should the architect make for the ESXi host deployment?
- A. Request an isolated network segment to use and dedicate it to Auto Deploy functions
- B. Ask the business to expand the engineering environment to service the virtual environment as well
- C. Deploy each ESXi host individually and document it to satisfy security requirements
- D. Request a common shared network with flexible security measures to accommodate different auto deployment options
Answer: A
Explanation:
You can greatly reduce the security risk of Auto Deploy by completely isolating the network where Auto Deploy is used.
https://docs.vmware.com/en/VMware-vSphere/7.0/com.vmware.esxi.install.doc/GUID-
8DAC6FEE-0441-4072-8195-9461095C2041.html
NEW QUESTION # 60
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. Add a precision clock virtual device to each virtual machine running the application.
- B. Set the virtual hardware device to use Host System Time (NTP) for each virtual machine running the application.
- C. Use Microsoft Windows Server as the guest operating system.
- D. Use a Linux distribution as the guest operating system.
- E. Configure the chrony time-sync agent on each virtual machine guest operating system.
- F. Add a virtual watchdog timer (VWDT) device to each virtual machine running the application.
Answer: A,D,E
NEW QUESTION # 61
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. 15 minutes
- B. 105 minutes
- C. 60 minutes
- D. 90 minutes
Answer: B
Explanation:
105 : 15 minutes RTO to restore VMs, +60 for Database Admin to restore/validate DB services +
15 minutes for Application server integrity checks and 15 more minutes for web server.
NEW QUESTION # 62
What is a benefit of using a scale-out method for handling vSphere cluster growth?
- A. An overall reduction in the license costs for the cluster
- B. An increase in the recovery time objective (RTO) for the cluster
- C. Less potential impact to virtual machines during a single host failure
- D. Faster to reach the limit of virtual machines per host
Answer: C
Explanation:
https://docs.vmware.com/en/VMware-Validated-Design/services/vmware-validated-design-sddc- scale-workload.pdf
NEW QUESTION # 63
An architect is designing a vSphere environment for a customer and learns that the customer has:
- A single vSphere cluster
- Two storage arrays with different RAID capabilities
Which two design decisions should the architect make to maximize data availability and data performance for this customer- (Choose two.)
- A. Use a minimum of three storage arrays.
- B. Use multiple datastores for heartbeat.
- C. Use VMDK anti-affinity rules.
- D. Use Storage DRS.
- E. Use VM to host DRS rules.
Answer: C,D
Explanation:
Storage DRS would satisfy data availability.
VMDK anti-affinity rules would satisfy "different RAID capabilities" and "data performance.
NEW QUESTION # 64
An architect is responsible for designing a vSphere-based solution for a customer. The customer has the following requirements:
The solution must provide redundancy and load balancing for storage traffic The solution must tolerate at least one failure There must be no single point of failure in the solution Which three considerations regarding physical host design should the architect analyze when making storage related design decisions? (Choose three.)
- A. Use one quad-port storage host bus adapter (HBA) in each ESXi host
- B. Use an active-active array for Fibre Channel storage-based VMFS datastores
- C. Configure a minimum of four paths to every LUN or datastore
- D. Configure a minimum of two paths to every LUN or datastore
- E. Use four single port storage host bus adapters (HBAs) in each ESXi host
- F. Configure the fixed multi-pathing policy on the ESXi hosts
Answer: B,C,D
Explanation:
Use an active-active array for Fibre Channel storage-based VMFS datastores An active-active array provides redundancy and load balancing by allowing multiple paths to be active at the same time, ensuring better performance and fault tolerance. This supports the requirement for redundancy and no single point of failure by ensuring that storage traffic can be distributed across multiple paths to different storage controllers.
Configure a minimum of two paths to every LUN or datastore
Having multiple paths to every LUN or datastore is essential for ensuring redundancy in the storage path. In case one path fails, the system can continue to function by using the other path, meeting the requirement for tolerance to at least one failure.
Configure a minimum of four paths to every LUN or datastore
Configuring four paths further increases redundancy, ensuring that the storage system can tolerate multiple path failures while still maintaining access to the LUN or datastore. This improves load balancing and provides greater fault tolerance.
NEW QUESTION # 65
What are workload design requirements related to?
- A. The network bandwidth and data transfer speeds.
- B. The overall performance and responsiveness of the system.
- C. The type and configuration of hardware components.
- D. The tasks and operations the system should perform.
Answer: D
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 vSphere HA Configure % based admission control Configure two isolation addresses 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 Configure two existing data stores for heartbeat Consider an OEM with NIC failure conditions in their Proactive HA plugin
- D. Configure vSphere HA Set das.IgnoreRedundantNetWarning to true Consider an OEM with NIC failure conditions in their Proactive HA plugin
Answer: B
NEW QUESTION # 67
During the creation of a vSphere-based design solution, an architect identifies the following assumption:
The customer will be responsible for providing all licensing for the vSphere platform.
The storage hardware has sufficient capacity for future workload scale.
The data center offers sufficient power, cooling and rack space for workload scale.
When documenting each assumption within the design, which two corresponding pieces of information must the architect also define? (Choose two.)
- A. Additional data center locations have been identified. Contracts will be signed to bring the capacity online within 12 months.
- B. The data center does not have sufficient capacity to meet the requirements for workload scale.
- C. The storage hardware may not have capacity for future workload scale.
- D. The project sponsor is responsible for the data center capacity. The administrator is accountable and the architect is informed.
- E. Additional storage capacity can be procured to expand the solution in the future as needed.
Answer: C,E
Explanation:
The storage hardware may not have capacity for future workload scale:
While the assumption is that the storage hardware has sufficient capacity for future workload scale, it's important to acknowledge that there may be scenarios where the current storage capacity might not be sufficient. The architect must document this potential limitation as a risk to the design, ensuring that it is clear that the capacity assumption is not guaranteed.
Additional storage capacity can be procured to expand the solution in the future as needed:
This statement provides a mitigation strategy to address the assumption regarding storage capacity. If future scale requires more storage than initially provided, the design should include a strategy for procuring and integrating additional storage resources to meet demand as needed. This helps ensure scalability and adaptability in the future.
NEW QUESTION # 68
Refer to the exhibit.
During a requirements gathering workshop, the customer shares the following about their existing ESXi host virtual networking infrastructure:
The customer confirms that:
- Each ESXi host has approximately 200 virtual machines.
- They want to maximize the number of concurrent virtual machine migrations.
- When placing a host in maintenance mode, it takes a long time to evacuate the virtual machines.
Which two recommendations should the architect make in order to help the customer overcome their challenge? (Choose two.)
- A. Configure the network to use MTU for the VMotion VMKernel to 1,600 bytes
- B. Use the 3 pNICs and bundle them in a link aggregation group (LAG) configuration
- C. Configure the network to use MTU for the VMotion VMKernel to 9,000 bytes
- D. Create an additional standard switch with pNIC3 to use for vMotion
- E. Use 10 GbE NICs instead of 1 GbE
Answer: C,E
NEW QUESTION # 69
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 1 cluster will have fast storage while the Tier 2 cluster will not.
- B. Run both resource profiles on the same cluster with the same host hardware platform.
- C. Run both resource profiles on the same cluster with host hardware that has fast CPU, large amounts of memory, and the fastest storage platform.
- D. 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.
Answer: A
NEW QUESTION # 70
An architect is creating a network design for a new vSphere environment.
Based on customer requirements, the environment must support the following types of traffic:
- Management
- vMotion
- vSAN
- Fault Tolerance
- Virtual machine traffic, which cannot be impacted by other types of traffic Which design recommendation can the architect make for a resilient infrastructure with vSphere network service tiering?
- A. Use two dedicated virtual switches with a single adapter each, dedicating one virtual switch for Management, vMotion, vSAN and Fault Tolerance traffic, and the second one for virtual machine traffic
- B. Use Network I/O Control and ensure appropriate share value is defined for different types of traffic giving priority to the virtual machines traffic
- C. Use a NIC teaming policy based on the physical NIC load
- D. Use different logical networks to ensure traffic is isolated with separate VLANs
Answer: B
NEW QUESTION # 71
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 configure DRS anti-affinity rules to ensure internal security compliant virtual machines cannot migrate between ESXi hosts.
- B. Use Network I/O Control to ensure the internal security zone has higher share value
- C. Use a single cluster and ensure that different security zones are separated at least with dedicated VLANs and firewall
- D. Purchase additional servers and plan separate, isolated clusters for workloads that must be compliant with internal security
Answer: C
Explanation:
VLANs are needed for network logical isolation. The security policy does not talk about compute isolation.
NEW QUESTION # 72
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 Protocol (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. Add a precision clock virtual device to each virtual machine running the application.
- B. Set the virtual hardware device to use Host System Time (NTP) for each virtual machine running the application.
- C. Use Microsoft Windows Server as the guest operating system.
- D. Use a Linux distribution as the guest operating system.
- E. Configure the chrony time-sync agent on each virtual machine guest operating system.
- F. Add a virtual watchdog timer (VWDT) device to each virtual machine running the application.
Answer: A,D,E
Explanation:
References:
https://blogs.vmware.com/apps/2021/04/lets-be-precise-enabling-and-configuring-precision-time- protocol-in-vsphere.html
https://core.vmware.com/blog/introducing-ptpvmw-new-linux-driver-achieve-high-time- synchronization-accuracy
https://blogs.vmware.com/apps/2020/09/ensuring-accurate-time-keeping-in-virtualized-active- directory-infrastructure.html
NEW QUESTION # 73
A company is expanding and will be deploying new vSphere environments in multiple new locations. All environments use datastores backed by multiple storage technologies and vendors.
How can the architect create a design to efficiently and repeatedly distribute existing company virtual machine (VM) templates to multiple new locations?
- A. Upload company templates to a cloud provider and download to each new location.
- B. Create a local content library at each site and manually copy only needed templates.
- C. Create a published content library and have the new locations subscribe to it.
- D. Use storage array replication tools to replicate the storage volume holding the company VM templates to each remote site.
Answer: C
Explanation:
This option allows for a centralized repository of VM templates that can be efficiently and repeatedly distributed to multiple locations. By creating a published content library, you enable the new locations to subscribe to this library, ensuring that the templates are synchronized and easily accessible. This approach minimizes manual effort and ensures consistency across all sites.
NEW QUESTION # 74
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