AZ-720 On-premises Practice Questions
The free AZ-720: Troubleshooting Microsoft Azure Connectivity questions that deal with on-premises, with answers and explanations. The full bank and the timed practice test cover every topic the exam asks about.
Question #2
A company uses Azure Site Recovery for their on-premises Hyper-V servers. The company manages servers by using System Center Virtual Machine Manager (SCVMM). An administrator reports that replication to the secondary site has failed. You need to inspect the SCVMM logs and configuration files. Which PowerShell cmdlets should you use?
Type your answer, then reveal.
Correct answer: Hyper-V hardware: Get-SCVMHost; All VM properties: Get-SCVirtualMachine; Failed activities: Get-SCJob
Explanation
Get-SCVMHost returns Hyper-V host hardware information, Get-SCVirtualMachine returns properties of the virtual machines, and Get-SCJob lists SCVMM jobs so failed activities can be inspected.
Question #8
A company migrates an on-premises Windows virtual machine (VM) to Azure. An administrator enables backups for the VM by using the Azure portal. The company reports that the Azure VM backup job is failing. You need to troubleshoot the issue. Solution: Install the VM guest agent by using administrative permissions. Does the solution meet the goal?
Correct answer: B
Explanation
The guest agent is already installed on VMs migrated from on-premises Windows, so installing it again does not resolve the failing backup. The failure is normally caused by the VM agent being unhealthy or the disk or snapshot configuration.
Question #9
A company migrates existing Ubuntu Linux servers from their on-premises vSphere infrastructure to Azure. The virtual machines (VMs) are experiencing a low network throughput of 20 Mbps. The VMs are expected to sustain 300 Mbps. You need to ensure that the VMs are compatible with Azure. Which change should you make?
Correct answer: B
Explanation
On-premises vSphere network interfaces migrate with a forced 100 Mbps setting, which limits throughput; setting them to 1000 Mbps full duplex restores the expected performance. The Azure kernel and accelerated networking are not the cause of the cap.
Question #10
A company migrates an on-premises Windows virtual machine (VM) to Azure. An administrator enables backups for the VM by using the Azure portal. The company reports that the Azure VM backup job is failing. You need to troubleshoot the issue. Solution: Configure the retention range for the current VM backup policy. Does the solution meet the goal?
Correct answer: A
Explanation
The retention range of a backup policy only controls how long recovery points are kept and has no effect on a failing backup job. The failure must be investigated in the VM agent, extension or disk layer.
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