The AWS Certified Cloud Practitioner (CLF-C02) is the most popular entry point into AWS certification. It proves you understand what the cloud is, what the main AWS services do, how security and billing work, and how AWS helps a business. You do not need to be a developer to pass it, and many people do so in three to six weeks of steady study.
This guide gives you everything in one place: the exam format, the four domains and what each really tests, the services you must know, a four-week study plan, the best free resources and the tips our trainees found most useful on exam day.
CLF-C02 exam at a glance
| Exam code | CLF-C02 (replaced CLF-C01 in September 2023) |
|---|---|
| Questions | 65 in total: 50 scored and 15 unscored trial questions (you cannot tell which) |
| Question types | Multiple choice (one correct answer) and multiple response (two or more correct) |
| Time | 90 minutes |
| Passing score | 700 on a scale of 100–1,000 |
| Cost | USD 100 (local taxes may apply) |
| Delivery | Pearson VUE test centre or online proctored from home |
| Validity | 3 years |
Want to see where you stand right now? Take our free CLF-C02 practice exam (65 questions, timed, no sign-up) before you start studying, then again at the end.
The scoring is compensatory: you do not need to pass every domain separately, only reach 700 overall. There is no penalty for wrong answers, so never leave a question blank.
Who should take the Cloud Practitioner exam?
- Beginners and career changers who want a recognised first step into cloud.
- Non-technical roles in sales, project management, finance or support who work with AWS teams.
- Developers and engineers from other platforms, including contact centre engineers moving to Amazon Connect, who want a structured overview of AWS.
- Students who want something concrete on their CV before their first job.
AWS recommends about six months of exposure to the AWS Cloud, but plenty of people pass with focused study and hands-on practice in a free-tier account.
The four exam domains
Domain 1: Cloud Concepts (24%)
Why organisations move to the cloud and how AWS thinks about good architecture. Know:
- The benefits of the cloud: pay-as-you-go pricing, elasticity, speed, global reach and economies of scale.
- The six pillars of the AWS Well-Architected Framework: operational excellence, security, reliability, performance efficiency, cost optimisation and sustainability.
- Cloud adoption and migration strategies, including the AWS Cloud Adoption Framework (CAF) and the “7 Rs” of migration (rehost, replatform, refactor and so on).
- Cloud economics: the shift from capital expense to operational expense, and rightsizing.
Domain 2: Security and Compliance (30%)
The second-largest domain and the one that catches most people out. Know:
- The shared responsibility model: AWS secures the cloud itself; you secure what you put in it. Expect several questions on who is responsible for what.
- IAM: users, groups, roles and policies, least privilege, MFA and why you should lock away the root user.
- Security services: AWS Shield and WAF (protection), GuardDuty (threat detection), Inspector (vulnerability scanning), Macie (sensitive data in S3), Security Hub, KMS (encryption keys) and CloudTrail (API activity logging).
- Compliance resources: AWS Artifact for compliance reports and agreements.
Domain 3: Cloud Technology and Services (34%)
The largest domain: what the main services are and when to use them. You need breadth, not deep configuration knowledge.
- Global infrastructure: Regions, Availability Zones and edge locations.
- Compute: EC2 (virtual servers), Lambda (serverless functions), ECS/EKS and Fargate (containers), Elastic Beanstalk, Auto Scaling and Elastic Load Balancing.
- Storage: S3 and its storage classes, EBS, EFS and S3 Glacier for archives.
- Databases: RDS and Aurora (relational), DynamoDB (NoSQL), Redshift (data warehouse), ElastiCache.
- Networking: VPC, subnets, security groups vs network ACLs, Route 53, CloudFront, Direct Connect and VPN.
- Management: CloudWatch (monitoring), CloudFormation (infrastructure as code), Systems Manager, Trusted Advisor.
- AI/ML and analytics at a high level: SageMaker, Lex, Polly, Rekognition, Comprehend, Athena, Kinesis.
Domain 4: Billing, Pricing and Support (12%)
The smallest domain but easy marks if you prepare. Know:
- Pricing models: On-Demand, Reserved Instances, Savings Plans, Spot Instances and Dedicated Hosts.
- Cost tools: AWS Pricing Calculator, Cost Explorer, Budgets, Cost and Usage Report, cost allocation tags.
- AWS Organizations and consolidated billing.
- Support plans: Basic, Business Support+, Enterprise and Unified Operations, and what each includes. For example, Basic has no technical support cases, Business Support+ is the minimum AWS recommends for production, and a designated Technical Account Manager starts at Enterprise.
- Free Tier, AWS Marketplace and AWS Partner Network.
A four-week study plan
This plan assumes about an hour a day on weekdays and two to three hours at weekends. Stretch it to six weeks if you are completely new to IT.
| Week | Focus | Do this |
|---|---|---|
| 1 | Cloud concepts and global infrastructure | Complete the free AWS Cloud Practitioner Essentials course. Create a free-tier account and explore the console. |
| 2 | Core services | Launch an EC2 instance, create an S3 bucket, try a Lambda function and a DynamoDB table. Make one-line notes on every service. |
| 3 | Security, billing and support | Set up IAM users, groups and MFA. Explore Cost Explorer, Budgets and the Pricing Calculator. Learn the support plans table by heart. |
| 4 | Practice and revision | Take full timed practice exams (start with our free 65-question CLF-C02 practice exam), review every wrong answer, and revise weak domains. Book the exam once you score 80% or more consistently. |
Always delete the resources you create in your free-tier account so you are not charged.
Best free resources
- AWS Skill Builder: the free “AWS Cloud Practitioner Essentials” course and the official exam prep course.
- The official exam guide on the AWS Certification website, which lists every task statement.
- AWS whitepapers: “Overview of Amazon Web Services” and the Well-Architected Framework summaries.
- Official practice question set on Skill Builder (free).
- Our free AWS Cloud Practitioner practice exam: a full-length, timed 65-question CLF-C02 test with every option explained and a score breakdown by domain, plus the 30-question Cloud Computing and AWS Basics quiz for a quick warm-up.
Commonly confused services (exam favourites)
- CloudWatch vs CloudTrail: CloudWatch monitors performance and logs; CloudTrail records who did what through the API.
- Security groups vs network ACLs: security groups protect instances and are stateful; network ACLs protect subnets and are stateless.
- Trusted Advisor vs Inspector: Trusted Advisor checks your account for cost, security and limit best practices; Inspector scans workloads for vulnerabilities.
- Reserved Instances vs Savings Plans vs Spot: commit for a discount, commit to spend for flexible discounts, or use spare capacity cheaply but with interruptions.
- Basic vs Business Support+ vs Enterprise: no technical cases, 24/7 expert access for production, or a designated Technical Account Manager.
- S3 Standard vs S3 Glacier: frequent access vs low-cost archive with slower retrieval.
- Shield vs WAF: Shield protects against DDoS attacks; WAF filters web requests by rules.
Exam-day tips from our trainees
- Read the last line first. Many questions add a story; the actual question is in the final sentence.
- Look for keywords. “Most cost-effective”, “least operational overhead” and “highly available” usually point straight to one answer.
- Eliminate first. You can often rule out two options quickly, then decide between the remaining two.
- Flag and move on. Do not spend more than a minute and a half on any question; come back with fresh eyes.
- For online exams, test your setup the day before: webcam, microphone, a clear desk and a stable connection. A cluttered room is the most common reason online exams are delayed.
After you pass
You receive a digital badge and, usually, a discount voucher for your next AWS exam. Good next steps are the AWS Certified AI Practitioner (AIF-C01) if you are interested in AI, or the AWS Certified Solutions Architect – Associate (SAA-C03) if you want a technical cloud role. We have free practice tests for both on our practice exams page, including a full 65-question AIF-C01 test.
If you work in contact centres, the Cloud Practitioner is also the ideal foundation for learning Amazon Connect, AWS’s cloud contact centre service.
Frequently asked questions
How hard is the AWS Cloud Practitioner exam?
It is the easiest AWS certification, but it is not a formality. Most failures come from the security and billing domains, which people underestimate. With four weeks of focused study and practice exams, most candidates pass first time.
Can I pass CLF-C02 with no IT experience?
Yes. The exam tests understanding, not hands-on configuration. Allow five or six weeks and spend some of that time clicking around a free-tier account so the services feel real.
How much does the CLF-C02 exam cost in India?
The exam fee is USD 100. When you pay in India, the amount is converted to rupees at the current exchange rate and local taxes are added, so check the final price on the Pearson VUE booking page.
What happens if I fail?
You can retake the exam after a 14-day waiting period and you pay the fee again. Your score report shows how you did in each domain, so focus your revision there.
Is the Cloud Practitioner certification worth it?
For beginners and non-technical roles, yes: it is widely recognized and gives you the vocabulary to work with cloud teams. For experienced engineers, it is a useful quick win before an Associate-level exam.
Join our live, instructor-led Amazon Connect training: 17 modules, 75+ hours, 80% hands-on labs, rated 4.8★ by our trainees. Or test yourself first with our free practice exams.
