Interview Q&A / AWS & Cloud

INTERVIEW Q&A · 60 QUESTIONS

AWS & Cloud interview questions

EC2, S3, Lambda, IAM and VPC basics, with when to pick which service.

  1. What is envelope encryption in AWS KMS and why is it used?

    Envelope encryption encrypts data with a data key, then encrypts that data key with a KMS key. KMS directly handles only small payloads (up to 4 KB), so large data is encrypted locally with the data key, and only the small data key goes to KMS.

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