You now understand cloud infrastructure for data:
- AWS: S3 for storage, Glue for ETL, Athena for queries, Redshift for warehousing
- GCP: GCS for storage, BigQuery for analytics, Dataflow for processing
- Infrastructure as Code makes deployments reproducible and reviewable
- Security requires least privilege, encryption, and audit logging
In interviews, discuss trade-offs between managed and self-managed services. Show you understand cost, complexity, and operational burden.