VMware 3V0-21.21 Exam Practice Questions (P. 1)
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Question #1
Which two of the listed requirements would be classified as performance non-functional requirements? (Choose two.)
- AThe vSphere platform must be able to provide a recovery time objective of 30 minutes
- BThe vSphere platform must be able to provide a minimum throughput of 400 MB/s
- CThe vSphere platform must be able to provide N+1 redundancy
- DThe vSphere platform must be able to provide a maximum read latency of 15 ms
- EThe vSphere platform must be able to provide a service-level agreement (SLA) of 99,9%
Correct Answer:
AD
Reference:
https://technicloud.com/category/vmware/
AD
Reference:
https://technicloud.com/category/vmware/
Question #2
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?
Which ESXi deployment method should the architect use?
- AStateless cached vSphere Auto Deploy
- BStateless vSphere Auto Deploy
- CManual install of each ESXi host with an image from USB
- DStateful vSphere Auto Deploy
Correct Answer:
A
Reference:
https://docs.vmware.com/en/VMware-vSphere/7.0/com.vmware.esxi.install.doc/GUID-0813B4BE-485D-4129-902B-49AA42EBF54E.html
A
Reference:
https://docs.vmware.com/en/VMware-vSphere/7.0/com.vmware.esxi.install.doc/GUID-0813B4BE-485D-4129-902B-49AA42EBF54E.html
Question #3
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?
What is one thing the architect must document in the design?
- AThe load balancing algorithm used by the Management Distributed Virtual Switches (DVS)
- BThe SSH configuration settings for the vCenter Server's active node
- CThe vCenter Management Network IPv4 addresses for the witness node vCenter Server
- DThe details of each of the vCenter Server licenses for active, passive and witness nodes
Correct Answer:
A
A
GPT-4o - Answer
When designing vCenter Server High Availability, documenting the load balancing algorithm used by the Management Distributed Virtual Switches is crucial. This algorithm plays a pivotal role by ensuring efficient distribution of network traffic among multiple server resources, directly influencing the performance and resilience of the HA setup. It's essential to get this right to maintain optimal service levels and to ensure that failover mechanisms operate as expected in the event of a node failure.
Question #4
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.)
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.)
- AAll virtual machines matching Virtual Machine Resource Profile 2 should be placed on Cluster One.
- BAll virtual machines matching Virtual Machine Resource Profile 1 should be placed on Cluster One.
- CAll virtual machines matching Virtual Machine Resource Profile 2 should be placed on Cluster Two.
- DAll virtual machines matching Virtual Machine Resource Profile 1 should be placed on Cluster Two.
- EAll virtual machines matching Virtual Machine Resource Profile 2 should be placed on Cluster Three.
Correct Answer:
BE
BE
GPT-4o - Answer
When deciding on VM placement within VMware SDDC environments, understanding each cluster’s configurations and capabilities is crucial. For Virtual Machine Resource Profile 1 that specifies no use of memory sharing techniques and requires automatic VM restart and placement, Cluster One presents as the optimal choice. It's fully automated with DRS and Proactive HA features enabled, which aligns well with the profile needs, despite TPS being enabled where it ideally shouldn't. On the other hand, Cluster Three, while not supporting memory sharing and lacking automated placement (due to no DRS), aligns best with Virtual Machine Resource Profile 2's needs by allowing VM restart regardless of the resource availability. This setup ensures continuity even when the cluster resources are stretched.
Question #5
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?
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?
- AThe solution will leverage a single storage array for the WORM archive and write-intensive storage profiles
- BThe solution will leverage the same array for the backup and write-intensive storage profiles
- CThe solution will leverage a different array for each storage profile
- DThe solution will leverage a single storage array for all storage profiles
Correct Answer:
C
C
GPT-4o - Answer
In designing the VMware solution to meet the differing needs of resource profiles and comply with specific security and operational requirements, the most effective approach is to dedicate a separate storage array to each profile. This setup not only facilitates the secure isolation of WORM archive data at a dedicated site but also adheres strictly to the mandate that the backup storage solely interfaces with the backup media server. Moreover, by segmenting the storage arrays, migration and recovery of data across profiles are made feasible and reliable, ensuring robust data management and protection strategies.
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