You are asked to create virtual networks with adequate subnets, route tables, and network security groups to host three tier web application with a backup database server and two instances of application server.

(a)Come up with your network infrastructure design, network security group and routing policies amongst them. Draw the network diagram with adequate details. State the network security group and routing policies in words.

(b)Implement the network infrastructure in Azure and configure the policies on the network components. Show the screenshots [Final configurations, all route tables and security group entries should be visible. Screenshots for all steps are not needed.]