Basic AWS

AWS fundamentals: IAM, EC2, S3, VPC, and managed databases for cloud-native apps.

Chapter 1: AWS Fundamentals

Enable MFA on root; use IAM users or SSO for daily access.

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Deploy across AZs for high availability; pick regions near users and for compliance.

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Policies grant least privilege; roles are preferred for workloads.

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Choose instance families by CPU, memory, and network needs.

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Golden AMIs or container images standardize deployments.

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Stateful firewalls at the instance or ENI level—default deny inbound.

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Object storage for static assets, backups, and data lakes.

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Public subnets for load balancers; private subnets for apps and data.

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DNS routing policies: simple, weighted, latency, and failover.

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Managed relational databases with automated backups.

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Serverless NoSQL with single-digit millisecond latency at scale.

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Infrastructure as code for repeatable AWS environments.

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