Azure Basics Part2 (Network , Compute and Load Balancers)

Explore how regions group data centers connected by a regional low-latency network, enabling Niger services like virtual machines or cloud storage to be deployed within defined regions.

Explore how Azure availability zones, three or more data centers with independent power, cooling, and networking, enable high availability, while some regions lack zones.

Explore regional pairs within the same geography, where only one region in each pair updates at a time, enabling disaster recovery through storage accounts and automated backups.

Understand Azure virtual network fundamentals, including private IP ranges and subnets, and how VMs, Kubernetes, and containers operate securely within it, including site-to-site connectivity and service endpoints.

Create a new virtual network in a new resource group in east us, add subnets (default, subnet1, subnet2) to the 10.0.0.0/16 address space for future virtual machines.

Explore how cloud-init's custom data configures virtual machines by installing packages like node.js and npm, writing files, and running a forever-backed express app during initialization.

Learn how to use user data to provision Azure virtual machines, store configuration in JSON, and access it via the metadata service from the VM; avoid secrets in user data.

Create a scheduled scaling policy to temporarily increase instances from one to three for a 15-minute window in Indian Standard Time. Then revert to one after the window.