1.1 AWS Pricing Fundamentals
AWS uses a pay-as-you-go pricing model. You pay only for the resources you consume with no upfront commitments (unless you choose to commit for discounts). Understanding pricing models is critical for both cost optimization and AWS certification exams.
1.2 Data Transfer Pricing Rules
1.3 EC2 Pricing Models
Savings Plans Types
1.4 Other Service Pricing Highlights
1.5 AWS Free Tier
Key Free Tier Items
- EC2: 750 hours/month t2.micro or t3.micro (Linux + Windows). 12-month free.
- S3: 5 GB Standard storage + 20,000 GET + 2,000 PUT. 12-month free.
- RDS: 750 hours/month t2.micro or t3.micro single-AZ. 20 GB storage. 12-month free.
- Lambda: 1 million requests + 400,000 GB-seconds/month. Always free.
- DynamoDB: 25 GB storage + 25 RCU + 25 WCU. Always free.
- CloudWatch: 10 custom metrics + 10 alarms + 1M API requests. Always free.
- SNS: 1 million publishes. Always free.
- SQS: 1 million requests. Always free.
- CloudFront: 1 TB data out + 10M HTTP requests/month. 12-month free.