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You want to design a cost-effective web app using AWS Free Tier. Which combination of services fits best within Free Tier limits?

hard📝 Best Practice Q8 of 15
AWS - Cloud Computing Fundamentals
You want to design a cost-effective web app using AWS Free Tier. Which combination of services fits best within Free Tier limits?
AAmazon EC2 t3.micro, Amazon S3 5 GB, Amazon RDS db.t3.micro
BAmazon EC2 m5.large, Amazon S3 50 GB, Amazon RDS db.m5.large
CAmazon Lambda with 1 million requests, Amazon S3 100 GB, Amazon RDS db.t3.micro
DAmazon EC2 t3.micro, Amazon Redshift 10 TB, Amazon RDS db.t3.micro
Step-by-Step Solution
Solution:
  1. Step 1: Identify Free Tier eligible services

    EC2 t3.micro, S3 up to 5 GB, and RDS db.t3.micro are included in Free Tier.
  2. Step 2: Evaluate options for Free Tier compliance

    Amazon EC2 t3.micro, Amazon S3 5 GB, Amazon RDS db.t3.micro uses only Free Tier eligible services within limits.
  3. Final Answer:

    Amazon EC2 t3.micro, Amazon S3 5 GB, Amazon RDS db.t3.micro -> Option A
  4. Quick Check:

    Free Tier services combined = Amazon EC2 t3.micro, Amazon S3 5 GB, Amazon RDS db.t3.micro [OK]
Quick Trick: Use only Free Tier eligible instance types and storage [OK]
Common Mistakes:
MISTAKES
  • Choosing large instance types not in Free Tier
  • Including Redshift which is not free
  • Exceeding storage limits

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