====== S3TA Exam Notes (charges vs request/storage) ======

**Scenario like the NASA question:**
  * Upload 3 GB from the internet using S3TA
  * Result: S3TA did not accelerate

**Correct billing logic:**
  1) No S3TA charge if it’s not likely faster.
  2) Data transfer **from the internet into AWS** is not charged. 
  → So the exam answer: **no transfer charges** for that upload.

**Hard words:**
  * *ingress* /ˈɪnɡres/: chiều vào (internet → AWS)
  * *egress* /ˈiːɡres/: chiều ra (AWS → internet)