[May-2023] VMware 3V0-21.21 Exam: Basic Questions With Answers
New 2023 Realistic Free VMware 3V0-21.21 Exam Dump Questions and Answer
NEW QUESTION 29
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. Run WSFC on vSAN iSCSI Target Service
- B. Use vSAN native support for WSFC
- C. Use the SMB 2.1 protocol for sharing disks
- D. Use raw device mapping (RDM)
- E. Use NFS 4.1 shares for quorum and shared disk
Answer: B,C
NEW QUESTION 30
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
Configure % based admission control Configure two isolation addresses
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: C
NEW QUESTION 31
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. Stateful vSphere Auto Deploy
- C. Manual install of each ESXi host with an image from USB
- D. Stateless vSphere Auto Deploy
Answer: A
Explanation:
Explanation/Reference: https://docs.vmware.com/en/VMware-vSphere/7.0/com.vmware.esxi.install.doc/GUID-0813B4BE-
485D-4129-902B-49AA42EBF54E.html
NEW QUESTION 32
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. Six
- B. Five
- C. Seven
- D. Four
Answer: D
NEW QUESTION 33
During a transformation project kick-off meeting, an architect highlights specific areas on which to focus while developing the new conceptual design.
Which two of the listed statements are business requirements? (Choose two.)
- A. There must not be a single point of failure for the virtual infrastructure
- B. Sites must support a network latency of less than 12 ms round-trip time (RTT)
- C. The solution must allow data replication between sites
- D. There is no budget specifically assigned for disaster recovery
- E. The project should use the existing storage devices within the data center
Answer: A,C
NEW QUESTION 34
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_FIXED
- B. VMW_SATP_LOCAL
- C. VMW_PSP_MRU
- D. VMW_SATP_DEFAULT_AA
Answer: C
NEW QUESTION 35
A customer requests a review of its current vSphere platform design.
The following information is noted:
There are three different workload profiles for the virtual machines:
Tier-1 virtual machines operate resource-intensive applications and require dedicated allocations for CPU and RAM.
Tier-2 virtual machines operate internet-facing applications and require access to externally facing networks.
Tier-3 virtual machines operate platform management tools such as vCenter Server and have different lifecycle management requirements.
Tier-1, Tier-2 and Tier-3 virtual machines are all hosted on a single large vSphere cluster.
The Chief Information Security Officer (CISO) has raised concerns that hosting externally facing applications alongside management tools does not meet internal compliance standards.
The Operations team has raised concerns about Tier-1 virtual machines negatively impacting the performance of vCenter Server.
The Operations lead has stated that management changes have consistently been rejected by application teams.
As a result of the review, which recommendation should the architect make regarding the design of this platform?
- A. Separate Tier-1, Tier-2 and Tier-3 virtual machines onto dedicated clusters
- B. Separate Tier-1, Tier-2 and Tier-3 virtual machines using resource pools and shares
- C. Separate Tier-2 virtual machines onto a dedicated cluster
- D. Separate Tier-1, Tier-2 and Tier-3 virtual machines using dedicated distributed virtual switches (DVS)
Answer: A
NEW QUESTION 36
An architect is finalizing the design for a new vCenter Server High Availability deployment.
What is one thing the architect must document in the design?
- A. The details of each of the vCenter Server licenses for active, passive and witness nodes
- B. The load balancing algorithm used by the Management Distributed Virtual Switches (DVS)
- C. The SSH configuration settings for the vCenter Server's active node
- D. The vCenter Management Network IPv4 addresses for the witness node vCenter Server
Answer: D
Explanation:
Reference:
https://docs.vmware.com/en/VMware-vSphere/7.0/com.vmware.vsphere.avail.doc/GUID-9B176C8A-4EEE-4A28-A3C1-24656D6402CF.html
NEW QUESTION 37
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. Three
- B. One
- C. Two
- D. None
Answer: C
NEW QUESTION 38
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. The deployed vCenter Server will be Tiny
- B. A new subnet will be provisioned for vCenter HA services
- 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: C
NEW QUESTION 39
A customer provides the following list of requirements for their vSphere platform:
REQ01 The solution should utilize dual network connections to eliminate single points of failure.
REQ02 The solution should allow logs to be retained for a period of 30 days.
REQ03 All user access to the platform should be recorded for audit purposes.
REQ04 The solution should allow the management of multiple ESXi hosts.
REQ05 The solution should allow users to view the remote console of virtual machines.
Which two of the listed requirements would be classified as non-functional requirements? (Choose two.)
- A. The solution should allow users to view the remote console of virtual machines
- B. The solution should utilize dual network connections to eliminate single points of failure
- C. The solution should allow logs to be retained for a period of 30 days
- D. All user access to the platform should be recorded for audit purposes
- E. The solution should allow the management of multiple ESXi hosts
Answer: B,C
NEW QUESTION 40
The storage team at an organization is planning to migrate from an older Fibre Channel storage environment to a new environment using IP-based storage.
Which two switch features or characteristics are appropriate for IP storage networks? (Choose two.)
- A. 2:1 or greater bandwidth oversubscription for 10 GbE switches
- B. Deep or ultra buffered switches
- C. Fabric extending devices
- D. Spanning Tree Protocol (STP)
- E. Non-blocking switch
Answer: A,D
NEW QUESTION 41
A VMware Service Provider is tasked with delivering a solution for continuous availability for a subset of Tier 1 virtual machines (VMs) and vApps running in their vSAN environment. The VMs make up a mission-critical application and there can be no data loss in the event of an outage at their primary data center. In the event of a regional outage, they have established a 10-minute recovery point objective (RPO). Failover/failback to the third site must be automated.
They have the following in place:
Two local data centers (primary and secondary) connected with 100 Gb dedicated fiber
2ms round-trip time (RTT) latency between the sites
A third data center located on another power grid
70ms latency between the primary and secondary data centers
Matching storage arrays at all locations
Which two solutions could be used to meet the requirements? (Choose two.)
- A. vSphere Data Protection
- B. vStorage APIs for Array Integration (VAAI)
- C. vSAN Metro Cluster
- D. Site Recovery Manager
- E. Snapshots
Answer: C,D
Explanation:
https://core.vmware.com/resource/vsan-stretched-cluster-guide#section1
NEW QUESTION 42
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 Disabled
- C. Enable vSphere HA and add a VM Override with VM Restart Priority set to Lowest
- D. Enable Fault Tolerance
Answer: C
NEW QUESTION 43
Which requirement would be classified as a functional requirement within the design documentation?
- A. The system must be able to scale to support 500 concurrent virtual machines.
- B. Virtual machines must be patched within one month of the patch release date.
- C. The system must perform virtual machine backups through an API.
- D. Virtual machines must be restarted within 30 minutes of a host failure.
Answer: D
NEW QUESTION 44
Which of the listed requirements would be classified as a recoverability non-functional requirement?
- A. The platform must be able to support a maximum tolerable downtime (MTD) of 30 minutes.
- B. Maintenance windows must be scheduled to take place monthly during an established overnight period.
- C. The platform must be available 24 hours a day, 7 days a week with the exception of scheduled downtime.
- D. The platform must be integrated with existing change control policies.
Answer: D
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 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 virtual watchdog timer (VWDT) 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 precision clock virtual device to each virtual machine running the application.
Answer: B,C,E
NEW QUESTION 46
The Chief Operating Officer (COO) at an organization raises concerns that their virtual infrastructure environment is vulnerable. Recently, a security-related issue with a virtual machine caused all management services to become unavailable. No budget is available in the short term for additional platform investment. An architect is asked to review the current environment and make recommendations to mitigate concerns.
A virtualization administrator has provided the following details:
There is a single four node cluster of ESXi servers
There are two, Layer 2, physical network switches connecting resources
The data center network is presented as a single /16 subnet
Given the information provided, which functional requirement should the architect include in the design to mitigate the COOs concerns?
- A. The virtual infrastructure environment must connect application virtual machines and management services to separate VLANs
- B. The virtual infrastructure environment must connect application virtual machines and management services to new physical network switches
- C. The virtual infrastructure environment must connect application virtual machines and management services to separate distributed virtual switches (DVS)
- D. The virtual infrastructure environment must connect management services to a vSphere standard switch (VSS)
Answer: D
NEW QUESTION 47
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 create a local content library for each vSphere environment.
Import the OVF images when new image are published to the repository. - B. 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. - C. 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. - D. 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.
Answer: B
NEW QUESTION 48
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 1 should be placed on Cluster One.
- B. All virtual machines matching Virtual Machine Resource Profile 1 should be placed on Cluster Two.
- C. All virtual machines matching Virtual Machine Resource Profile 2 should be placed on Cluster Three.
- 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 2 should be placed on Cluster One.
Answer: B,C
Explanation:
Reference:
https://docs.vmware.com/en/VMware-vSphere/7.0/com.vmware.vsphere.resmgmt.doc/GUID-FEAC3A43-C57E-49A2-8303-B06DBC9054C5.html
NEW QUESTION 49
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