This is part 3 of 5, in which I cover all objectives / skills measured in AZ-103 exam.
Part 1 can be found here:
AZ-103 Study Guide – Part 1 – Manage Azure subscriptions and resources
Part 2 can be found here:
AZ-103 Study Guide – Part 2 – Implement and manage storage

Part 3 covers all objectives that are described in “Deploy and manage virtual machines (VMs)”.
15 to 20% of the exam questions are based on these subjects.

Deploy and manage virtual machines (VMs) (15-20%)

Create and configure a VM for Windows and Linux

configure high availability:
https://docs.microsoft.com/en-us/azure/virtual-machines/windows/manage-availability

configure monitoring, networking, storage, and virtual machine size

Monitoring:
https://docs.microsoft.com/en-us/azure/virtual-machines/windows/monitor
Networking:
https://docs.microsoft.com/en-us/azure/virtual-machines/windows/ps-common-network-ref
Storage:
https://docs.microsoft.com/en-us/azure/virtual-machines/windows/faq-for-disks
Virtual Machine Size:
https://docs.microsoft.com/en-us/azure/virtual-machines/windows/resize-vm

deploy and configure scale sets:
https://docs.microsoft.com/en-us/azure/virtual-machine-scale-sets/overview

Automate deployment of VMs

modify Azure Resource Manager (ARM) template:
https://docs.microsoft.com/en-us/azure/architecture/building-blocks/extending-templates/update-resource

configure location of new VMs:
https://docs.microsoft.com/en-us/azure/virtual-machines/windows/ps-template

“location”: {
“type”: “string”,
“defaultValue”: “[resourceGroup().location]”,
“metadata”: {
“description”: “Location for all resources.”
}
}

configure VHD template:
https://docs.microsoft.com/en-us/azure/virtual-machines/windows/create-vm-specialized

deploy from template:
https://docs.microsoft.com/en-us/azure/virtual-machines/windows/ps-template

save a deployment as an ARM template:
https://docs.microsoft.com/en-us/azure/virtual-machines/windows/download-template

deploy Windows and Linux VMs:
https://docs.microsoft.com/en-us/azure/virtual-machines/

Manage Azure VM

add data discs:
https://docs.microsoft.com/en-us/azure/virtual-machines/windows/attach-disk-ps

add network interfaces
https://docs.microsoft.com/en-us/azure/virtual-network/virtual-network-network-interface-vm

automate configuration management by using PowerShell Desired State Configuration (DSC) and VM Agent by using custom script extensions:
https://docs.microsoft.com/en-us/azure/automation/automation-dsc-overview

manage VM sizes:
https://docs.microsoft.com/en-us/azure/virtual-machines/windows/resize-vm

move VMs from one resource group to another:
https://docs.microsoft.com/en-us/azure/virtual-machines/windows/move-vm

redeploy VMs:
https://docs.microsoft.com/en-us/azure/virtual-machines/windows/redeploy-to-new-node