The certification “Microsoft Azure Administrator Associate” is intended for IT administrators who have been administering Azure workloads spanning across compute, storage and networking features in Azure. Candidates should be proficient in using Azure Powershell, Azure CLI and ARM templates as well.

For Certification details check out this link

Here are the skills that the exam AZ-103 measures –

Manage Azure subscriptions and resources (15-20%)

Implement and manage storage (15-20%)

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

Configure and manage virtual networks (30-35%)

Manage identities (15-20%)

Rather than mapping each of the skills mentioned above, I am going to list the different concepts that a candidate should be aware of and preferably, should have hands-on experience as well. I believe this will simplify the preparation path for the candidates who are looking forward to earn this certification.

Apart from the above information, you can use the following resources as well for your preparation –

Hope this helps in your preparation!!