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 are lazy loading and write-through caching strategies?

    Lazy loading fills the cache only when a read misses, then stores the result. Write-through updates the cache at the same time as the database on every write, so reads are rarely stale but the cache holds data that may never be read.

    IntermediateQuick answer1 min read