AWS Exam Study Guide
Seven topic guides covering everything tested on AWS certification exams. Code examples, exam traps, and tips throughout.
Test your AWS knowledge →Free · No sign-upAWS EC2 Explained — Instance Types, AMIs, Security Groups & Pricing
EC2 is the foundational AWS compute service. Here's what certification exams test — instance types, security groups, and pricing.
AWS S3 Bucket Guide — Storage Classes, Limits & Lifecycle
S3 is AWS's object storage service and appears in almost every architecture. Here's what the exam tests.
Are S3 Buckets Global? S3 Regional vs Global Architecture
A common confusion: S3 bucket names are globally unique, but the data itself is regional. Here's exactly what that means — and what to do when you need truly global access.
AWS IAM Explained — Users, Roles, Policies & Least Privilege Principle
IAM controls who can do what in AWS. It's tested heavily on every AWS certification.
AWS VPC Explained — Subnets, Route Tables, NAT Gateway & Security Groups
VPC is the networking layer of AWS. Here's what the exam tests — subnets, routing, and the security group vs NACL distinction.
AWS Lambda Explained — Event-Driven Functions, Triggers & Execution Model
Lambda is the core of AWS serverless. Here's what the exam tests — execution model, cold starts, and integration patterns.
AWS Architecture — High Availability, Auto Scaling & Well-Architected
Architecture questions are the core of AWS certification. Here's the key patterns and the Well-Architected Framework pillars.
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