What is Azure Functions?

Updated Apr 28, 2026

Short answer

A serverless compute service that lets you run event-triggered code without managing infrastructure.

Deep explanation

In-depth analysis of What is Azure Functions? including configuration parameters and integration points within the Azure ecosystem.

Real-world example

Securing a multi-tier application by isolating the database tier from the public internet using NSG rules.

Common mistakes

Setting priority numbers too close together, making it hard to insert rules later.

Follow-up questions

Difference between NSG and ASG?
Can NSGs be applied to a subnet?

More Azure interview questions