[Solved] Which AWS data transfer scenario typically does not incur any charges? — Ans: Data transfer between EC2 instances in the same Availability Zone | AWS

AWS - Cost Optimization

Which AWS data transfer scenario typically does not incur any charges?

AData transfer from an EC2 instance to the internet

BData transfer between EC2 instances in the same Availability Zone

CData transfer between EC2 instances in different AWS regions

DData transfer from an S3 bucket to an EC2 instance in a different region

Step-by-Step Solution

Solution:

Step 1: Identify free data transfer types
Data transfer within the same Availability Zone between EC2 instances is generally free.
Step 2: Compare other options
Transfers to the internet, between regions, or cross-region S3 to EC2 transfers usually incur charges.
Final Answer:
Data transfer between EC2 instances in the same Availability Zone -> Option B
Quick Check:
Same AZ EC2 data transfer is free [OK]

Quick Trick: Data transfer inside same AZ is free [OK]

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Which AWS data transfer scenario typically does not incur any charges?