Glossary term
What is Availability Zone? Meaning for developers
One of several physically separate data centres inside an AWS region (ap-south-1a, 1b, 1c). Spread servers across at least two to survive a failure.
Learn it properly · DevOpsLesson 6: VPC: Subnets, Route Tables, Security GroupsYour own private network inside AWS. Public and private subnets, how traffic gets in and out, and where your database hides.