3V0-21.21 Sample Practice Exam Questions 2024 Updated Verified
Exam Study Guide Free Practice Test LAST UPDATED 3V0-21.21
NEW QUESTION # 19
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. Seven
- B. Four
- C. Five
- D. Six
Answer: C
Explanation:
cluster must be able to maintain N+1
current expected utilization of the platform requires a minimum of two hosts to support all of the virtual machines.
So, we need 3 hosts to support N+1.
Customer wants to be able to patch and update two hosts in parallel.
So that means 5 hosts are required.
NEW QUESTION # 20
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. Implement Multi-NIC vMotion by adding additional vMotion VMkernels.
- D. Configure a dedicated TCP/IP stack for vMotion traffic.
Answer: C
Explanation:
https://kb.vmware.com/s/article/2007467
https://communities.vmware.com/t5/VMware-vSphere-Discussions/vmotion-load-balanced-across-multiple-uplinks-on-distributed/td-p/491336
https://www.virtuallyboring.com/multi-nic-vmotion/
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 # 21
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. Deep or ultra buffered switches
- B. Fabric extending devices
- C. Spanning Tree Protocol (STP)
- D. Non-blocking switch
- E. 2:1 or greater bandwidth oversubscription for 10 GbE switches
Answer: A,D
Explanation:
Reference:
https://www.arista.com/en/solutions/ip-storage-network-infrastructures
NEW QUESTION # 22
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 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. - B. 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. - C. 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. - D. 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.
Answer: B
NEW QUESTION # 23
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. Seven
- B. Five
- C. Four
- D. Six
Answer: C
NEW QUESTION # 24
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 backup service will store data in a secure facility
- B. The customer will update their hardware standard to support rack mount servers
- C. The clusters will have a minimum redundancy of N+1
- D. All virtual machines will be deployed with the same resource profile for production and development
- E. The backup service has sufficient capacity for the new requirements
Answer: C,E
NEW QUESTION # 25
An architect is designing a new backup solution for a vSphere platform that has been recently upgraded to vSphere 7.
The architect wants the backup solution to perform the following:
Full virtual machine image backup and restore
Incremental virtual machine image backup and restore
File level backup and restore within both Windows and Linux virtual machines LAN-free backup Which functional requirement should the architect include in the design of the new backup solution?
- A. The backup solution must leverage the VMware Consolidated Backup (VCB) framework.
- B. The backup solution must leverage virtual machine snapshots.
- C. The backup solution must leverage VMware vStorage APIs for Data Protection (VADP).
- D. The backup solution must leverage VMware vSphere Storage APIs - Data Protection.
Answer: D
NEW QUESTION # 26
During a requirements gathering workshop, the customer provides the following information:
Each host has 2 × 10 GbE NIC
EtherChannel is not currently configured
No changes can be made to the physical network
Network throughput must be prioritized for defined critical services
Which two recommendations should the architect make with regard to virtual networking? (Choose two.)
- A. Use Link Aggregation Control Protocol (LACP).
- B. Use Network I/O Control with Limits.
- C. Use Network I/O Control with Shares.
- D. Use Network I/O Control with Reservation.
- E. Use Route Based on Physical NIC Load.
Answer: C,E
NEW QUESTION # 27
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 development cluster has more available RAM per host
- D. The database tier breaches a single NUMA node boundary for the development cluster
Answer: B
NEW QUESTION # 28
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. Use 10 GbE NICs instead of 1 GbE
- B. Configure the network to use MTU for the VMotion VMKernel to 9,000 bytes
- C. Use the 3 pNICs and bundle them in a link aggregation group (LAG) configuration
- D. Create an additional standard switch with pNIC3 to use for vMotion
- E. Configure the network to use MTU for the VMotion VMKernel to 1,600 bytes
Answer: A,D
NEW QUESTION # 29
An architect is designing a new VMware software-defined data center (SDDC) that will consist of 100 branch sites connected to a single VMware vCenter Server within the primary data center. To allow for the use of existing automation scripts, there is a requirement to replicate the names of the virtual distributed port groups across all sites. The procurement team purchases licensing and there is no further budget allocated.
Which design decision should the architect make to meet this requirement?
- A. The automation script will be updated to reflect unique naming for each site
- B. A new vCenter Server will be deployed for each branch site
- C. A new host and cluster folder will be created for each branch site
- D. A new virtual data center will be created for each branch site
Answer: D
Explanation:
Hosts provisioned with vSphere Auto Deploy cache the image (stateless caching):
Set up and apply a host profile for stateless caching. You can cache the image on a local disk, a remote disk, or a USB drive. Continue provisioning this host with vSphere Auto Deploy. If the vSphere Auto Deploy server becomes unavailable, for example because hundreds of hosts attempt to access it simultaneously, the host boots from the cache. The host attempts to reach the vSphere Auto Deploy server after the boot operation to complete configuration.
Hosts provisioned with vSphere Auto Deploy become stateful hosts:
Set up and apply a host profile for stateful installs. When you provision a host with vSphere Auto Deploy, the image is installed on the local disk, a remote disk, or a USB drive. For subsequent boots, you boot from the disk. The host no longer uses vSphere Auto Deploy.
https://docs.vmware.com/en/VMware-vSphere/7.0/com.vmware.esxi.install.doc/GUID-C6FBA22C-048A-455F-9D45-58834445ACA5.html
NEW QUESTION # 30
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: C
Explanation:
https://reqtest.com/requirements-blog/functional-vs-non-functional-requirements/ provides explanation for functional requirements.
Functional Requirements
A requirement specifies a function that a system or component should perform. These may include:
Business Rules
Authentication
Audit Tracking
Certification Requirements
Reporting Requirements
Historical Data
Legal or Regulatory Requirements
https://technicloud.com/category/vmware/
NEW QUESTION # 31
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. Deep or ultra buffered switches
- B. Non-blocking switch
- C. Fabric extending devices
- D. 2:1 or greater bandwidth oversubscription for 10 GbE switches
- E. Spanning Tree Protocol (STP)
Answer: D,E
NEW QUESTION # 32
An architect is designing a new vSphere platform to meet a list of requirements from the security team.
Which two requirements would be classified as non-functional requirements? (Choose two.)
- A. A common content library must be maintained across all data centers
- B. Migration of virtual machines between hosts must be encrypted
- C. Log information must be verbose to support incident resolution
- D. Critical events generated within the platform must be logged to an external Syslog service
- E. Data integrity must be ensured
Answer: B,C
NEW QUESTION # 33
An architect is designing a new greenfield environment that will install ESXi on local disks. There is a requirement to streamline initial and future installations of ESXi hosts.
Which configuration option should the architect recommend for installing ESXi hosts to meet these requirements?
- A. Auto Deploy with stateless caching mode
- B. Auto Deploy with stateful install mode
- C. Manual installation using boot from SAN
- D. Installation with kick start script
Answer: B
Explanation:
Stateful Install: When a host is booted for the first time, the host profile configuration states Auto Deploy is to install ESXi on local host storage. All consecutive host boots, only the local storage is used until the image profile configuration is changed. Stateless: Auto Deploy is used to install ESXi in memory on the target host. The state information of the ESXi host is managed by Auto Deploy. No local storage is required.
NEW QUESTION # 34
An architect is reviewing a physical storage design. The customer has specified that storage DRS will be used for ease of operational management for capacity and performance.
Which recommendation should the architect include in the design?
- A. Create smaller datastores to balance space with Storage DRS
- B. Use a larger number of storage profiles (varied disk speeds and RAID levels) to improve performance
- C. Create more datastores within each Storage DRS cluster to balance space and performance
- D. Create larger datastores to balance space with Storage DRS
Answer: C
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. 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 and publish a new subscription to a new subscriber library for each target vSphere environment.
- D. Add a new subscriber library from each vSphere environment.
- E. Create a local content library in the primary vSphere environment and enable publishing.
- F. Deploy the OVF images to vSphere and clone as an OVF template to a local content library.
Answer: A,C,E
Explanation:
A: Local library needed for centralized management.
B: A 'subcription' ensure that content and replication can be managed from the soure i.e. Local library with publishing enabled.
( When you create a subscription for a local library, the result is a subscribed library. A publisher library is aware of its subscriptions. Subscriptions enable the administrator of the publisher library to control the content distribution. With subscriptions, content is distributed either when the subscriber initiates synchronization, or when the administrator of the local library publishes the library items to one or more of the existing subscriptions.) Ref: https://docs.vmware.com/en/VMware-vSphere/7.0/com.vmware.vsphere.vm_admin.doc/GUID-28567D95-D2B6-44F8-9AC7-7D8B618A5848.html D: VM templates can be checked out for making changes.
NEW QUESTION # 36
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