Bite-sized concept explanations to build deep cloud understanding before your exam.
Understand instance types, pricing models, placement groups, and when to use each.
Compare S3 Standard, IA, Glacier and Intelligent-Tiering for cost optimization.
Subnets, route tables, NAT gateways, security groups, and NACLs explained.
Choose the right database service for your architecture with clear comparison criteria.
Master IAM with least privilege principles, managed vs inline policies, and role chaining.
Build event-driven architectures with Lambda triggers, concurrency limits, and cold starts.
Build, train, and deploy ML models at scale with SageMaker pipelines and endpoints.
Encrypt data at rest and in transit using KMS, CloudHSM, and ACM.
Compare Fargate, ECS, and EKS with real-world architectural trade-offs.