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Free VMware 3V0-21.23 Exam Questions (page: 11)

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PDF with 92 Questions

An architect is responsible for extending the hosting design for a customer. The customer has a mission-critical 3-node application which is load balanced in an active/active/passive configuration. The application administrator requests that the virtual infrastructure team be responsible for maintaining platform level availability. An organizational policy exists to mandate the highest possible availability for mission-critical applications.

Based on the resource requirements, the architect has made the following design decision:

The target vSphere cluster contains three VMware ESXi host servers

A combination of which additional four physical design decisions should the architect make to maximize availability of the application? (Choose four.)

  1. The solution will create a VM-Host Affinity rule that specifies that workloads must run on hosts in a group.
  2. The solution will enable vSphere High Availability (HA) with restart priority set to "Highest" for the application virtual machines.
  3. The solution will create a VM-VM Affinity rule to keep virtual machines separate.
  4. The solution will create a host DRS group containing all hosts within the cluster.
  5. The solution will enable vSphere Fault Tolerance with vSphere High Availability (HA) virtual machine component failure enabled.
  6. The solution will create a virtual machine DRS group that contains all of the critical application workloads.
  7. The solution will create a VM-VM Affinity rule to keep virtual machines together.

Answer(s): A,B,E,F

Explanation:

The solution will create a VM-Host Affinity rule that specifies that workloads must run on hosts in a group.

Creating a VM-Host Affinity rule ensures that specific workloads are restricted to certain hosts, which can be useful to avoid placing critical applications on hosts that may not meet their availability requirements.

The solution will enable vSphere High Availability (HA) with restart priority set to "Highest" for the application virtual machines.

Enabling vSphere HA ensures that virtual machines are automatically restarted on other hosts in the event of a host failure. Setting the restart priority to "Highest" for mission-critical VMs ensures that these VMs will have the highest priority for restart if any issues arise.

The solution will enable vSphere Fault Tolerance with vSphere High Availability (HA) virtual machine component failure enabled.

Enabling vSphere Fault Tolerance (FT) ensures that the application VMs are fully protected by creating a live shadow VM that runs in lockstep with the primary VM. In the event of a host failure, the shadow VM will take over instantly, providing continuous availability for the application.

The solution will create a virtual machine DRS group that contains all of the critical application workloads.

Creating a virtual machine DRS (Distributed Resource Scheduler) group for critical workloads ensures that these VMs are placed and migrated to the optimal hosts based on the cluster's resource requirements, improving availability and performance.



An architect is reviewing the information provided by a customer for a new vSphere solution design. The customer has stated that some of the virtual machines (VMs) that will be hosted on the new solution handle credit card information from their users as part of an online payment application, and that some of the information will need to be stored temporarily to allow transactions to be completed. Therefore, the solution must be designed to be able to mask or hash the stored information as they will need to show compliance against common industry standards that contain references to the requirements for handling sensitive information.

Which design quality is being requested by the customer?

  1. Manageability
  2. Performance
  3. Security
  4. Recoverability

Answer(s): C

Explanation:

The customer is requesting that the solution meet security requirements, specifically around handling sensitive information (such as credit card data). The need to mask or hash stored information for compliance with industry standards (e.g., PCI-DSS) is a security-focused design requirement. This ensures that sensitive data is protected and compliant with regulations, making security the primary design quality being requested.



Which four factors should an architect consider when calculating the number of hosts required for a new multi-site vSphere-based solution that utilizes external storage? (Choose four.)

  1. The workload profile (CPU and memory) of each workload
  2. The amount of resources required for virtual machine (VM) swap and VM snapshots
  3. The number of existinq workloads that will be decommissioned prior to the completion of project
  4. The number of existinq workloads that will be miqrated onto the new solution
  5. The number of network connections per physical host server
  6. The future physical location of any workloads
  7. The hardware specification of the underlying infrastructure

Answer(s): A,B,D,G

Explanation:

The workload profile (CPU and memory) of each workload

Understanding the CPU and memory requirements for each workload is crucial for determining the capacity needed on each host. This helps ensure that each host has sufficient resources to run the virtual machines (VMs) efficiently.

The amount of resources required for virtual machine (VM) swap and VM snapshots

VM swap files and snapshots require additional storage and compute resources. It's important to account for these resource requirements to avoid overloading the hosts or running into resource bottlenecks.

The number of existing workloads that will be migrated onto the new solution

Knowing how many workloads will be migrated allows the architect to estimate the total resource demand and determine the number of hosts required to support the migrated workloads effectively.

The hardware specification of the underlying infrastructure

The hardware specifications of the hosts, including the CPU, memory, storage, and network interfaces, play a significant role in determining how many hosts are needed to support the workloads. More powerful hardware may reduce the number of hosts required, while less capable hardware might increase the number needed.



An architect is designing a backup solution.

Which two statements should be included in the logical design for this solution? (Choose two.)

  1. The database must be backed up even/ day during the maintenance window of 1:00AM and
    3:00AM.
  2. The network that will be used for backups will be configured to use VLAN ID 1511.
  3. The bkp-nfs-01 datastore will be used for backups.
  4. The company's existing backup solution will be unsupported by the third-party vendor in six months.
  5. The database will be backed up using an API-based backup solution.

Answer(s): A,E

Explanation:

The database must be backed up every day during the maintenance window of 1:00AM and 3:00AM.

This is a logical design requirement because it specifies the timing for the backup operations. It's important to define backup schedules to align with the maintenance window, ensuring minimal disruption to production workloads.

The database will be backed up using an API-based backup solution.

This is a logical design decision that specifies the method of backup. Using an API-based backup solution is a modern, efficient way to ensure consistent and application-aware backups of databases.



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