CLF-C02: Complete guide to AWS Cloud Practitioner Certification
Independent English guide to AWS Cloud Practitioner Certification: cost, exam format, domains, target audience, language availability, and study path.
An independent English guide to AWS Cloud Practitioner Certification: cost, exam format, major domains, target audience, language availability, and study path.
⚠️ Always confirm details directly with AWS.
Exam formats, fees, languages, scheduling options, and certification policies can change. This guide is an independent reference. It is not official AWS training and is not endorsed by AWS.
| Cost | $100 USD |
| Duration | 90 minutes |
| Level | Foundational |
| Registration | aws.amazon.com/certification → |
By LoSimplifica · Updated July 2026 · reference guide
In this guide
- What is CLF-C02
- Who this certification is for
- Exam format and structure
- Exam domains
- Exam language and availability
- Recommended knowledge
- Cost registration and validity
- Where CLF-C02 fits in a career path
- Study advice
1. What is CLF-C02
CLF-C02 is the exam code for AWS Cloud Practitioner Certification. This certification validates a broad understanding of AWS Cloud concepts, core services, shared responsibility, security basics, pricing, billing, and support options.
Preparing for an AWS certification should not be limited to memorizing service names. You need to understand what each service solves, when it should be used, how it combines with other services, and how it affects security, cost, performance, and operations.
This guide keeps AWS service names and domain names in English. In AWS documentation, the console, exams, and job descriptions, terms like IAM, VPC, Lambda, S3, CloudWatch, SageMaker, and Bedrock usually appear in English.
2. Who this certification is for
CLF-C02 can be useful for:
- people starting with AWS or cloud computing
- business, product, support, sales, finance, or project roles working with cloud teams
- students who want a foundation before moving to Associate level certifications
- professionals who need to understand AWS services, security, cost, and support models
A certification is not a job guarantee. It works best as a way to structure learning, validate knowledge, and support hands-on projects.
3. Exam format and structure
| Certification | AWS Cloud Practitioner Certification |
| Exam code | CLF-C02 |
| Level | Foundational |
| Question types | Multiple choice, multiple response, and scenario-based questions, according to official guidance |
| Number of questions | 65 questions, according to the official exam page |
| Duration | 90 minutes |
| Cost | $100 USD |
| Score range | 100–1,000 scaled score |
| Approximate passing score | 700, subject to official confirmation |
| Validity | Generally 3 years |
| Delivery | Pearson VUE test center or online proctored exam, depending on availability |
| Language | Depends on the exam and region. Confirm available languages before paying |
AWS questions often use scenarios. The best answer usually depends on security, cost, reliability, performance, operational simplicity, and business constraints.
4. Exam domains
Use the following table as a study map. Before registering, always review the latest official exam guide.
| Domain | Weight |
|---|---|
| Cloud Concepts | 24% |
| Security and Compliance | 30% |
| Cloud Technology and Services | 34% |
| Billing Pricing and Support | 12% |
A practical way to study each domain is to separate it into concepts, related AWS services, and scenario-based decisions. Knowing what a service does is not enough; you also need to know when not to use it.
5. Exam language and availability
AWS exams may be available in multiple languages depending on the exam, region, and scheduling session. Before paying, confirm the available language for the exact exam in AWS Certification or Pearson VUE.
Even if you study in another language, AWS service names and many technical terms usually remain in English. For that reason, it is useful to learn concepts clearly while keeping official service names unchanged.
6. Recommended knowledge
Unless AWS states otherwise for a specific exam, there is usually no formal prerequisite. Still, solid preparation combines reading, practice, labs, and scenario-based review.
- Read the official exam guide.
- Map each domain to the major AWS services.
- Run small labs or console walkthroughs.
- Practice scenario-based questions.
- Record mistakes and why the other answers were wrong.
- Review IAM, logging, networking, cost, and monitoring even when they are not the main focus.
7. Cost registration and validity
| Exam fee | $100 USD |
| Registration platform | AWS Certification / Pearson VUE |
| Retake | Usually requires paying again and following the current AWS retake policy |
| Local currency and taxes | Can depend on country, taxes, and payment platform |
| Validity | Generally 3 years |
Before paying, check the exam code, exam version, available language, name on your ID, online proctoring requirements, and any available vouchers or discounts.
8. Where CLF-C02 fits in a career path
CLF-C02 is usually a practical starting point for the AWS certification path. After it, many learners move to SAA-C03, DVA-C02, SOA-C03, DEA-C01, or MLA-C01 depending on their goal.
| Goal | Possible route |
|---|---|
| Cloud fundamentals | CLF-C02 |
| Cloud architecture | SAA-C03 → SAP-C02 |
| Cloud development | DVA-C02 → DOP-C02 |
| Operations and DevOps | SOA-C03 → DOP-C02 |
| Data engineering | DEA-C01 → data lake, ETL, and analytics projects |
| Machine learning | AIF-C01 → MLA-C01 |
| Generative AI | AIF-C01 → AIP-C01 |
| Security | SAA-C03 or equivalent experience → SCS-C03 |
9. Study advice
The main challenge in AWS certification preparation is often not one specific service. It is the ability to read scenarios, compare tradeoffs, and choose the option that fits the constraints.
- Study concepts, not only service definitions.
- Practice scenarios, not only flashcards.
- Use small labs and set billing alerts.
- Delete unused resources after practice.
- Document hands-on projects in a portfolio or GitHub.
- Avoid resources that promise real exam questions or guaranteed passing.
Looking for prep resources, practice questions, and study guides for CLF-C02?
View AWS prep resources in English →