The cloud, explained from first principles. Learn what AWS actually gives you — core services, the shared responsibility model, global infrastructure and pricing — and remember it with spaced repetition.
AWS Certified Cloud Practitioner (CLF-C02) is the entry-level AWS certification. It validates a broad, foundational understanding of the AWS Cloud — what the services do, how they fit together, and how security, pricing and support work — rather than deep hands-on engineering of any single service.
The exam spans four domains: cloud concepts, security and compliance, cloud technology and services, and billing, pricing and support. The recurring themes are the shared responsibility model, the roles of the core services (EC2, S3, RDS, Lambda, VPC), and how AWS charges for what you use.
This track breaks those domains into bite-sized, practical questions and uses spaced repetition so the service names and concepts move from "I read that once" to long-term recall — exactly what a broad, terminology-heavy exam like CLF-C02 rewards.
Each module is a set of flashcards — 110 in total. Answer, review, and watch your knowledge grow from seed to full bloom.
Cloud value proposition, economics, service and deployment models, and the Well-Architected Framework
18 cardsShared responsibility, IAM, encryption, threat detection services, and compliance and audit tools
20 cardsEC2, containers and serverless, VPC networking, subnets, gateways, DNS, and content delivery
20 cardsS3 and its storage classes, block and file storage, relational and NoSQL databases, and data transfer
18 cardsRegions, Availability Zones, edge locations, monitoring, governance, and multi-account management tools
16 cardsPricing fundamentals, EC2 purchasing options, cost management tools, and the AWS support plans
18 cardsA taste of the real flashcards. Pick an answer, then reveal the explanation.
What is cloud computing?
What is the AWS shared responsibility model?
What is Amazon EC2?
What is Amazon S3?
Each card is one practical concept with multiple options. Pick what you think is right.
See the correct option plus a clear explanation, and a link to deeper docs when one is available.
A spaced-repetition engine (SM-2 or FSRS) resurfaces each card just before you would forget it.
AWS is the largest cloud provider; knowing its building blocks is a baseline skill across most modern engineering roles.
EC2, S3, IAM, VPC — fluency in the core services lets you follow architecture discussions instead of nodding along.
Understanding the shared responsibility model and the pricing models helps you avoid surprise bills and misconfigurations.
The fundamentals here map directly to the four CLF-C02 exam domains.
No. Cloud Practitioner is the entry point — this track starts from what the cloud is and builds up the core services, so beginners and people refreshing the basics both benefit.
About 10 minutes a day. Spaced repetition means short, frequent sessions beat cramming — most learners get comfortable with the fundamentals within a couple of weeks.
Yes, completely free. No registration or credit card is required, and all your progress is stored locally in your browser.
It covers the conceptual core the AWS Certified Cloud Practitioner (CLF-C02) exam tests across all four domains. It is a companion, not a full course — pair it with the official exam guide and some hands-on time in the AWS console.
Plant your first seed today. Ten minutes a day is all it takes to grow lasting cloud fundamentals.