CLF-C02 Exam: Complete AWS Cloud Practitioner Guide
Current CLF-C02 exam guide covering the $100 USD fee, 90-minute format, passing score, four domains, AWS services, preparation, and renewal.
CLF-C02 exam at a glance
| Detail | Information |
|---|---|
| Exam name | AWS Certified Cloud Practitioner |
| Exam code | CLF-C02 |
| Certification earned | AWS Certified Cloud Practitioner |
| Cost | $100 |
| Duration | 90 min |
| Questions | 65 total: 50 scored and 15 unscored |
| Passing score | 700 / 1000 (scaled) |
| Format | Multiple choice and multiple response |
| Delivery | Test center or online proctored |
| Prerequisites | None required |
| Validity | 3 years |
| Renewal | Pass the latest exam or an eligible Associate or Professional exam |
Domain breakdown
| Domain | Weight |
|---|---|
| Cloud Concepts | 24% |
| Security and Compliance | 30% |
| Cloud Technology and Services | 34% |
| Billing, Pricing, and Support | 12% |
| Total | 100% |
Who should take the CLF-C02 exam?
CLF-C02 is AWS's broad entry-level certification. It suits people starting a cloud career and business professionals who work with technical teams: sales, finance, procurement, product, project management, support, and operations. The exam validates cloud literacy independent of a specific job role.
AWS describes the target candidate as having up to six months of exposure to cloud design, implementation, or operations, but experience is not required. Coding, architecture design, implementation, troubleshooting, and performance testing are explicitly outside the target role. You need to recognize the right category or service, not build a production platform during the exam.
Cloud Practitioner is optional for every higher AWS certification. If you already design or operate AWS workloads daily, an Associate exam may provide a stronger return. If AWS terminology, billing, responsibility, and service selection are new, CLF-C02 provides a useful foundation.
Skills measured on CLF-C02
The official CLF-C02 exam guide defines four weighted domains. Questions often combine them: a service-choice scenario may also test who secures it and which pricing model fits. Study relationships and tradeoffs, not an alphabetical service catalog.
Cloud Concepts (24%)
Explain why organizations adopt cloud: agility, elasticity, high availability, global reach, rapid experimentation, managed operations, and consumption-based economics. Distinguish scalability from elasticity and fault tolerance from disaster recovery. Understand how regions, Availability Zones, and edge locations support different availability and latency goals.
The AWS Well-Architected Framework organizes design thinking around operational excellence, security, reliability, performance efficiency, cost optimization, and sustainability. At the foundational level, know the purpose of each pillar and recognize a design improvement aligned with it.
Migration questions cover business value and common strategies at a high level. Cloud economics includes fixed versus variable expense, economies of scale, reduced data-center management, and the value of matching capacity to demand. Avoid assuming cloud automatically costs less; cost depends on architecture, governance, and usage.
Security and Compliance (30%)
The shared responsibility model is central. AWS secures the infrastructure of the cloud; customers secure their data, identities, configuration, and operating systems to the extent required by the chosen service. Customer responsibility is greater for Amazon EC2 than for a highly managed service.
Understand IAM users, groups, roles, policies, federation, root-user protection, multifactor authentication, and least privilege. Roles supply temporary credentials and are generally preferred for workloads. AWS Organizations, service control policies, AWS Control Tower, and multiple accounts help establish governance at scale.
Recognize security and compliance resources: AWS Artifact for reports and agreements, AWS Audit Manager for evidence, AWS Config for configuration history and rules, CloudTrail for API activity, GuardDuty for threat detection, Inspector for vulnerability management, Macie for sensitive data in S3, Security Hub for findings, Shield for DDoS protection, and WAF for web filtering. Know the problem each solves before memorizing feature lists.
Cloud Technology and Services (34%)
This is the largest domain. Know how customers access AWS through the Management Console, CLI, SDKs, APIs, and infrastructure as code. Understand regions, Availability Zones, points of presence, Local Zones, and hybrid options, and choose locations based on latency, compliance, cost, and service availability.
For compute, compare EC2, Lambda, containers through ECS or EKS, and managed application options. For storage, distinguish S3 object storage, EBS block volumes, EFS file systems, archival classes, and lifecycle policies. Database coverage includes relational RDS and Aurora, key-value DynamoDB, warehousing with Redshift, and purpose-built choices.
Networking foundations include VPCs, subnets, routes, security groups, network ACLs, Elastic Load Balancing, Route 53, CloudFront, Direct Connect, and VPN. Analytics and integration services may include Athena, Glue, Kinesis, SQS, SNS, and EventBridge. Recognize common AI and machine learning services without studying model development.
Operational services include CloudWatch for metrics, logs, and alarms; CloudFormation for repeatable infrastructure; Systems Manager for operations; Trusted Advisor for recommendations; and AWS Health for events affecting accounts or resources. Focus on the simplest managed service that directly satisfies a stated requirement.
Billing, Pricing, and Support (12%)
Compare On-Demand, Savings Plans, Reserved Instances, Spot Instances, and dedicated options. Pricing depends on the service, region, usage dimensions, data transfer, and commitment. The AWS Free Tier is not a blanket promise that an account cannot incur charges.
Know Billing and Cost Management, Cost Explorer, AWS Budgets, Cost and Usage Reports, pricing calculator, cost-allocation tags, and consolidated billing. A budget alerts or triggers configured actions; it does not retroactively reduce usage. Cost Explorer analyzes and forecasts spending.
Compare support plans and know where to find documentation, re:Post, Knowledge Center, Trusted Advisor checks, and account support. Exact plan names and entitlements can change, so use AWS's current support documentation during preparation.
How to prepare for CLF-C02
Start with AWS Cloud Practitioner Essentials and the official exam guide. Build a one-page matrix that maps each service to category, primary use, customer responsibility, and pricing dimension. Add one confusing neighbor—for example, CloudTrail records API activity while CloudWatch handles operational telemetry.
Use a free-tier or sandbox account carefully. Create a budget alert first, then inspect IAM, launch and stop a small EC2 instance, place an object in S3, view CloudWatch, and explore the cost console. Hands-on context makes service descriptions much easier to retain. Delete resources when finished and verify billing.
Take AWS's official practice questions after the first study pass. For every miss, identify the domain and write the deciding phrase. If two answers work technically, the exam often favors the one that is more managed, secure, available, operationally simple, or cost-aligned.
CLF-C02 practice questions
Use questions that test use cases and tradeoffs. A good item asks which service records account API calls, which purchase model fits interruptible work, or who patches a guest operating system on EC2. Explain why the distractors are plausible but wrong.
AWS practice material is objective-aligned, not live exam content. Avoid dumps; AWS prohibits unauthorized exam material, and memorized answers do not survive service or blueprint updates.
CLF-C02 compared with AWS Associate exams
Cloud Practitioner confirms broad literacy. Solutions Architect – Associate evaluates architecture choices, Developer – Associate evaluates cloud application work, and SysOps Administrator – Associate evaluates operations. Those exams are more technical and do not require CLF-C02.
Candidates choosing an architecture path can continue with our AWS Solutions Architect Associate guide. Choose the next exam based on the work you want to perform rather than collecting credentials in a fixed order.
Career value of AWS Cloud Practitioner
CLF-C02 can validate baseline cloud knowledge for junior technical and cloud-adjacent business roles. Its value is strongest when it removes a communication gap: you can discuss AWS services, security ownership, costs, and support with engineers and stakeholders.
It is not proof of production engineering ability. Pair it with a small documented project, AWS labs, or job-specific experience. The certification lasts three years and can be renewed by a higher-level AWS exam, making it a practical first step if you intend to continue.
Exam-day notes
- You have 90 minutes for 65 questions.
- Fifty questions are scored and 15 are unscored; unscored items are not identified.
- There is no penalty for guessing, so answer every question.
- The US fee is $100 before applicable taxes and regional adjustments.
- Pearson VUE offers test-center and online-proctored delivery.
CLF-C02 FAQ
Is the CLF-C02 exam hard?
CLF-C02 is foundational, but it covers many services and business concepts. It is manageable for beginners who can distinguish service use cases, shared responsibility, pricing models, and support options rather than memorizing definitions alone.
How many questions are on CLF-C02?
The exam has 65 questions: 50 scored and 15 unscored. AWS does not identify the unscored questions, so answer every item; there is no penalty for guessing.
What score do you need to pass CLF-C02?
AWS reports scores from 100 to 1,000, and the minimum passing score is 700. This is a scaled score, not necessarily 70 percent correct.
Does AWS Cloud Practitioner expire?
Yes. AWS Certified Cloud Practitioner is valid for three years. You can recertify through the latest Cloud Practitioner exam or by passing an eligible Associate-level or Professional-level AWS certification exam.
Do you need IT experience for CLF-C02?
No formal experience or certification is required. AWS targets candidates with up to six months of cloud exposure and explicitly includes people without an IT background.
Prep resources
| Resource | Type | Provider |
|---|---|---|
| AWS Certified Cloud Practitioner page official | Official guide | AWS |
| Official CLF-C02 exam guide official | Official guide | AWS |
| AWS Cloud Practitioner Essentials official | Course | AWS Skill Builder |
| AWS Cloud Practitioner exam preparation official | Practice lab | AWS Skill Builder |