3V0-21.21 Pre-Exam Practice Tests | (Updated 90 Questions)
Valid 3V0-21.21 Exam Q&A PDF - One Year Free Update
VMware 3V0-21.21 Exam Syllabus Topics:
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NEW QUESTION 37
An architect is designing the expansion of an existing vSphere 7 environment. The customer is requesting a design for a new cluster to support the anticipated future business growth. The requirements specified for the existing environment design must be considered when designing the new cluster.
The existing design has the following requirements:
REQ01 The environment has an availability target of 99.5% for all infrastructure.
REQ02 The recovery time objective (RTO) for Tier 1 virtual machines is one hour.
REQ03 Windows and Linux virtual machines must reside on separate clusters.
REQ04 Access to the management cluster within the environment must be controlled.
Which of the listed requirements would be classified as a functional requirement?
- A. The recovery time objective (RTO) for Tier 1 virtual machines is one hour
- B. Windows and Linux virtual machines must reside on separate clusters
- C. Access to the management cluster within the environment must be controlled
- D. The environment has an availability target of 99.5% for all infrastructure
Answer: B
NEW QUESTION 38
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. Four
- B. Six
- C. Seven
- D. Five
Answer: D
NEW QUESTION 39
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. vSAN Metro Cluster
- B. Site Recovery Manager
- C. Snapshots
- D. vSphere Data Protection
- E. vStorage APIs for Array Integration (VAAI)
Answer: A,C
NEW QUESTION 40
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. Set das.respectvmvmantiaffinityrules to false
- C. Create VM-Host anti-affinity rules
- D. Create VM-VM anti-affinity rules
- E. Disable vSphere HA during maintenance
Answer: B,C
NEW QUESTION 41
An architect is tasked with designing a new VMware software-defined data center (SDDC) using VMware vSAN. The architect uses a storage assessment tool to determine the storage requirements for the new vSAN cluster. The new SDDC is going to be deployed into the existing data center and must be connected to a shared core network switch.
The architect decides to use vSAN ReadyNodes with the following configuration:
Two disk groups with:
Write Intensive NVMe 800 GB drive for cache
Four 3.84 TB Mixed Use NVMe for capacity
Four 10 GbE ports
Which element represents a risk that should be included in this design?
- A. The number of 10 GbE capable ports in the vSAN ReadyNode
- B. The existing network is 10 GbE capable
- C. The use of vSAN ReadyNodes
- D. The use of NVMe drives for cache and capacity
Answer: B
NEW QUESTION 42
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 when needed. - 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 automatically.
Answer: B
NEW QUESTION 43
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 development 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 benchmarking cluster
- D. The development cluster has more available RAM per host
Answer: B
NEW QUESTION 44
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: C
NEW QUESTION 45
As part of a new hybrid cloud initiative for a large financial company, the customer technical team is presenting an overview of the current state of the infrastructure and their vision for a new solution.
The project team captures notes during the presentation and adds them to the discovery documentation. Which of the listed statements is a design constraint?
- A. The existing storage is out of maintenance
- B. The maximum tolerable data loss is 10 minutes
- C. The two data center locations have a network latency of 8 ms round-trip time (RTT)
- D. The applications are created in-house with in-guest recovery protection
Answer: A
NEW QUESTION 46
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. Enable Fault Tolerance
- 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. Achieve application availability with snapshots
Answer: C
NEW QUESTION 47
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 an increase in management overhead.
- B. Identical hardware must be procured for all hosts.
- C. There will be a reduction in performance.
- D. There will be additional licensing and cost requirements for both clusters.
- E. The patching cycles will affect both clusters at the same time.
Answer: D,E
NEW QUESTION 48
A new vSphere platform is being created. The platform will host virtual machines that will run management services and line-of-business applications.
What should the architect consider when designing the number and type of clusters required?
- A. Predicted platform growth
- B. Maximum tolerable downtime
- C. Auditing requirements for the virtual machines
- D. The level of isolation required between virtual machine classifications
Answer: A
NEW QUESTION 49
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 with a dedicated SSO domain.
Deploy a vCenter Server for all remaining clusters and use a dedicated SSO domain into a single physical site. - 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.
Deploy a vCenter Server for all remaining clusters.
Create a shared SSO domain across all physical sites.
Answer: D
NEW QUESTION 50
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 using dedicated distributed virtual switches (DVS)
- B. Separate Tier-2 virtual machines onto a dedicated cluster
- C. Separate Tier-1, Tier-2 and Tier-3 virtual machines using resource pools and shares
- D. Separate Tier-1, Tier-2 and Tier-3 virtual machines onto dedicated clusters
Answer: C
NEW QUESTION 51
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 SSH configuration settings for the vCenter Server's active node
- C. The load balancing algorithm used by the Management Distributed Virtual Switches (DVS)
- D. The vCenter Management Network IPv4 addresses for the witness node vCenter Server
Answer: C
NEW QUESTION 52
During a requirements gathering workshop to design a physical to virtual migration, the customer provides the following information:
* There is no physical firewall in the data center with no anticipated plans for a future network refresh.
* Leveraging the virtual infrastructure to mitigate the lack of network security must be addressed in the design.
* All physical servers to be migrated exist on the same VLAN.
Which recommendation should the architect make to address the customer requirement with regard to virtual networking?
- A. Disable traffic filtering and marking
Use tag actions - B. Enable traffic filtering and marking
Use allow or drop actions - C. Split the virtual machines into several VLANs
Use tag actions - D. Create port groups with different names and same VLAN IDs
Enable traffic shaping for ingress and egress traffic
Answer: C
NEW QUESTION 53
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. Enable vSphere HA and add a VM Override with VM Restart Priority set to Lowest
- B. Enable Fault Tolerance
- C. Enable vSphere HA and add a VM Override with VM Restart Priority set to Disabled
- D. Achieve application availability with snapshots
Answer: A
NEW QUESTION 54
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: A
NEW QUESTION 55
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