Explain Hypervisors and Virtual Machines POWEREDGE-FOUNDATIONS-V2 Practice Questions (Page 2)

Questions 6–10

1. 6application · medium

   A small company runs a single Dell PowerEdge T350 tower server in its office. The IT admin wants to run a few lightweight VMs for testing and development, but the server also needs to run a Windows-based backup application directly on the host OS. The admin is not concerned about maximizing performance or supporting dozens of VMs. Which hypervisor approach should the admin choose?

   • AUse KVM on a Linux host and run the backup application in a container alongside the VMs.
   • BInstall a Type 2 hypervisor like Oracle VirtualBox on top of the existing Windows OS and run all workloads as VMs.
   • CInstall VMware ESXi directly on the PowerEdge T350 and run the backup application inside a Windows VM.
   • DInstall Windows Server with Hyper-V role enabled, then run the backup application on the host OS and the test VMs under Hyper-V.
   Reveal Solution Discussion Select an answer first
2. 7application · medium

   An administrator is planning to deploy four VMs on a Dell PowerEdge R750 with 256 GB of RAM. Each VM is configured with 64 GB of RAM, but the administrator knows that the actual memory usage of each VM rarely exceeds 32 GB. The VMs run different workloads, and the administrator wants to maximize the number of VMs that can run concurrently. What should the administrator do?

   • AReduce the memory allocation of each VM to 32 GB to match actual usage.
   • BConfigure memory overcommitment on the hypervisor so the sum of allocated memory can exceed physical RAM.
   • CPlace the VMs on separate physical hosts to avoid memory contention.
   • DEnable CPU overcommitment instead, since memory is not the bottleneck.
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4. 8expert · hard

   A company runs a virtualized environment on Dell PowerEdge R740 servers with VMware ESXi. The administrator needs to perform a firmware update on one of the hosts. The VMs on that host are running critical applications and cannot be stopped. The administrator has another ESXi host in the same cluster with sufficient resources. What is the best approach to perform the firmware update without downtime?

   • AUse Storage vMotion to move the VMs' storage to the other host.
   • BUse vMotion to migrate all VMs to the other host, then perform the firmware update.
   • CShut down each VM, move them to the other host, and restart them.
   • DEnable High Availability and let it handle the migration.
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5. 9expert · hard

   A company runs a virtualized environment on Dell PowerEdge R740 servers with VMware ESXi. The company has a service-level agreement (SLA) that requires 99.9% uptime for a critical VM. The administrator wants to protect against host failures and also perform planned maintenance without downtime. Which combination of features should the administrator implement?

   • AEnable DRS and rely on automatic load balancing.
   • BEnable Fault Tolerance (FT) for the VM and use Storage vMotion for maintenance.
   • CEnable VMware High Availability (HA) and use vMotion for planned maintenance.
   • DUse Hyper-V Replica to a secondary site.
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6. 10application · medium

   A company runs a virtualized environment on Dell PowerEdge R650 servers with VMware ESXi. The administrator notices that one VM is consuming a disproportionate amount of CPU, causing performance issues for other VMs on the same host. The administrator wants to ensure that this VM cannot monopolize CPU resources in the future. What should the administrator configure?

   • AEnable CPU hot-add for the VM
   • BSet CPU limits and reservations for the VM
   • CMigrate the VM to another host using vMotion
   • DDisable memory overcommitment on the host
   Reveal Solution Discussion Select an answer first