To start with Azure networking, you need to know and understand the components which are needed to set up an Azure solution.
Let us start from the easiest part to the more difficult ones.
An Azure VNet is a logical isolated network for your services connected to your subscription in Azure. You have full control about the IP address blocks, DNS settings, security policies, and route tables within this network. You can also split your VNet into subnet and launch Azure IaaS virtual machines and cloud services within these subnets. By using Azure virtual gateways and WAN solutions, you can also connect your virtual networks to the Internet or your on-premises environment.
When you look for Azure VNet in Azure, you basically search for the network and you should see the symbol shown in the following screenshot:
Normally you're setting up a network like you do in your on-premises network. You create a network with an IP range such as 10.0.0...