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How do you handle data using AWS S3?

Cloud/Toolsmedium0.2 min read

Reviewed by Aditya Kumar · Last reviewed 2026-03-24

Patterns: (1) Raw and curated zones; prefixes/partitions. (2) Glue + Athena for querying. (3) Lifecycle for cost. (4) Versioning for critical. (5) SSE-S3/KMS. Example: raw/, curated/; Parquet for analytics....

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Frequency
Low
Asked at 1 company
Category
179
questions in Cloud/Tools
Difficulty Split
104E|27M|48H
in this category
Total Bank
1,863
across 7 categories
Part of the Cloud Warehouses (Snowflake & BigQuery) Interview Preparation Hub
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Key Concepts Tested
partition
Expert Answer
41 words

Patterns: (1) Raw and curated zones; prefixes/partitions. (2) Glue + Athena for querying. (3) Lifecycle for cost. (4) Versioning for critical. (5) SSE-S3/KMS. Example: raw/, curated/; Parquet for analytics. Best practice: Partition (year/month/day); columnar; lifecycle; least-privilege IAM; S3 Select for pushdown.

⚡
Pro Tip

Red Flag: Unstructured bucket with no partitions. Pro-Move: 'Medallion: raw/curated/gold; Parquet; partition by date—Glue and Athena integrated.'

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