I have cleared AZ 103 certification in Jan 2020 successfully & this will help us to understand the functionality of Azure.
There are lot of topics which need to cover for AZ103 Exam. I have gone through Udemy Course as well.
However Microsoft announced that from Mar 2020 , AZ103 will replace to AZ104.
some different topics which requires attention:
What is Azure Policy
Azure Baseline Resource
power shell – AZVM
virtual networks – subnet
Network Security Groups
AD identity protection
azure AD connect
create custom role (power shell & CLI)
Network performance monitor
network watch – https://azurecitadel.com/infra/vdc/lab4/
Some LABS –
OpenDX course – Very useful
you can find the good information here –