AWS Certified Cloud Practitioner (CLF-C02): Complete Exam Guide 2026

The AWS Certified Cloud Practitioner (CLF-C02) is Amazon's entry-level cloud certification — the fastest and lowest-cost way to validate your understanding of the AWS Cloud. At $100 and 90 minutes, it's the most accessible cert in the AWS portfolio. But "entry-level" doesn't mean easy: the exam covers billing models, security services, and dozens of AWS products that most beginners have never heard of.

This guide covers everything you need to pass CLF-C02 in 2026: verified exam details sourced from the official AWS exam guide, a domain-by-domain breakdown, what changed from CLF-C01, a 4-week study plan, and the best free resources available. Already have practice files? Upload your CLF-C02 practice questions to our free browser-based simulator — no signup, no software needed.

CLF-C02 Exam At a Glance

Detail	Value
Exam Code	CLF-C02
Exam Cost	$100 USD
Total Questions	65 (50 scored + 15 unscored)
Time Limit	90 minutes
Passing Score	700 / 1,000 (scaled)
Question Types	Multiple-choice, multiple-response
Prerequisite	None (AWS recommends up to 6 months cloud exposure)
Renewal	Every 3 years
Delivered By	Pearson VUE or PSI (in-person or online proctored)

The 15 unscored questions are not identified during the exam — you answer all 65 without knowing which count toward your score. AWS uses these to evaluate potential future questions. Treat every question as if it counts.

Who Is CLF-C02 For?

AWS describes the target candidate as someone who can "effectively demonstrate overall knowledge of the AWS Cloud, independent of a specific job role." CLF-C02 is designed for a wide range of people:

• Sales and business roles that need to speak credibly about AWS services and pricing
• Non-technical stakeholders at organizations migrating to cloud
• IT professionals new to cloud who want a foundation before pursuing associate-level certifications
• Students and career changers entering the cloud field for the first time
• Technical professionals from other vendors (Azure, GCP) adding AWS credentials

See how CLF-C02 compares against Microsoft's entry-level cloud cert in our AWS Cloud Practitioner vs AZ-900 guide.

CLF-C02 Content Domains: Full Breakdown

The exam has four domains. AWS reports your score per domain, so if you need to retake you'll know exactly where to focus. Domain details are sourced from the official AWS CLF-C02 exam guide.

Domain	Weight	Focus
1. Cloud Concepts	24%	Cloud benefits, economics, architecture, Well-Architected Framework
2. Security and Compliance	30%	Shared responsibility model, IAM, compliance, security services
3. Cloud Technology and Services	34%	Compute, storage, database, networking, AI/ML, migration tools
4. Billing, Pricing, and Support	12%	Pricing models, Cost Explorer, support plans, billing tools

Domain 1: Cloud Concepts (24%)

This domain tests your understanding of why cloud matters — the business and architectural value of moving to AWS. Key topics:

• Cloud value propositions — high availability, elasticity, agility, pay-as-you-go pricing, global reach, economies of scale
• Cloud economics — trading capital expense (CapEx) for operational expense (OpEx), total cost of ownership
• Cloud architecture concepts — fault tolerance, high availability, disaster recovery patterns
• AWS Well-Architected Framework — six pillars: Operational Excellence, Security, Reliability, Performance Efficiency, Cost Optimization, Sustainability
• Migration concepts — the AWS Cloud Adoption Framework, migration strategies ("6 Rs": Rehost, Replatform, Refactor, Repurchase, Retain, Retire)

The Well-Architected Framework is heavily tested — know all six pillars and what each one prioritizes. Sustainability was added in CLF-C02 and was not in CLF-C01.

Domain 2: Security and Compliance (30%)

At 30%, this is the second-largest domain and where many candidates underestimate the question depth. Key topics:

• AWS Shared Responsibility Model — AWS is responsible for "security of the cloud" (physical infrastructure, hypervisor); you are responsible for "security in the cloud" (OS, application, data, IAM configuration)
• Identity and Access Management (IAM) — users, groups, roles, policies, MFA, principle of least privilege
• AWS security services — AWS Shield, AWS WAF, Amazon GuardDuty, AWS Security Hub, Amazon Inspector, Amazon Macie
• Compliance programs — PCI DSS, HIPAA, SOC 2, and how AWS Artifact provides compliance documentation
• Encryption — encryption at rest vs. in transit, AWS KMS, AWS CloudHSM

The shared responsibility model is the single most frequently tested concept on CLF-C02. The edge cases trip candidates up: for example, with Amazon RDS, AWS manages the database engine patches; with EC2, you manage the OS and application patches.

Domain 3: Cloud Technology and Services (34%)

The largest domain covers the actual AWS service catalog. You need to know what each service does and when to use it — not deep configuration knowledge. Service categories tested:

• Compute — Amazon EC2, AWS Lambda, Amazon ECS, AWS Fargate, AWS Elastic Beanstalk
• Storage — Amazon S3 (and storage classes), Amazon EBS, Amazon EFS, AWS Storage Gateway, Amazon S3 Glacier
• Databases — Amazon RDS, Amazon DynamoDB, Amazon ElastiCache, Amazon Redshift, Amazon Aurora
• Networking — Amazon VPC, Amazon CloudFront, Amazon Route 53, AWS Direct Connect, AWS VPN
• AI and Machine Learning — Amazon SageMaker, Amazon Rekognition, Amazon Comprehend, Amazon Polly, Amazon Lex, Amazon Translate
• Management and Governance — AWS CloudFormation, AWS CloudTrail, Amazon CloudWatch, AWS Config, AWS Systems Manager
• Migration and Transfer — AWS Migration Hub, AWS Database Migration Service, AWS Snow Family (Snowcone, Snowball, Snowmobile), AWS DataSync

Study tip: exam questions often ask "which service would you use for X?" Focus on use cases. For example: "A company needs a fully managed NoSQL database" → Amazon DynamoDB. "A company needs to run code without provisioning servers" → AWS Lambda.

Domain 4: Billing, Pricing, and Support (12%)

The smallest domain but deceptively tricky — pricing model specifics and support tier details are easy to confuse. Key topics:

• AWS pricing models — On-Demand, Reserved Instances (1-year and 3-year, Standard vs. Convertible), Savings Plans, Spot Instances, Dedicated Hosts
• Cost tools — AWS Pricing Calculator, AWS Cost Explorer, AWS Budgets, AWS Cost and Usage Report
• Support plans — Basic (free), Developer ($29/mo+), Business ($100/mo+), Enterprise On-Ramp ($5,500/mo+), Enterprise ($15,000/mo+); know what each tier includes
• AWS Organizations — consolidated billing, service control policies, management accounts
• AWS Free Tier — Always Free vs. 12-Month Free vs. Trial offers

Know the support plans cold. Common exam traps: Business is the lowest tier with 24/7 phone access; Technical Account Managers (TAMs) are exclusive to Enterprise and Enterprise On-Ramp tiers.

CLF-C01 vs CLF-C02: What Changed

CLF-C02 replaced CLF-C01 on September 19, 2023. If you have older study materials, these are the key changes:

Area	CLF-C01	CLF-C02
AI/ML Coverage	Limited	Expanded — SageMaker, Rekognition, Comprehend, Polly, Lex explicitly in scope
Sustainability	Not covered	Added as the sixth Well-Architected pillar
Migration Content	Basic	Expanded — 6 Rs, Snow Family, DataSync, Application Migration Service
Security Domain Weight	Lower	Increased to 30% of scored content
Service Catalog	Older names	Updated to current AWS naming conventions

Bottom line: Use only CLF-C02 study materials. Any course or book published before mid-2023 targets the retired exam and will leave significant gaps in your preparation.

How Hard Is CLF-C02?

AWS does not publish official pass rates. Based on community surveys and training provider estimates, the first-attempt pass rate for CLF-C02 is approximately 70–80% — comparable to CompTIA A+ and more accessible than CompTIA Security+ or Cisco CCNA.

The format helps: no performance-based questions, no labs, no simulations — just multiple-choice and multiple-response. The challenge is breadth. The exam tests more AWS services than most candidates expect, with questions that require you to distinguish between similar-sounding options (CloudWatch vs. CloudTrail vs. Config, for example).

Where candidates most commonly lose points:

• Service identification — knowing which specific AWS service solves a given scenario
• Shared responsibility edge cases — who is responsible for what in managed services
• Billing and support plan specifics — Reserved Instance types, Savings Plans nuances, TAM availability

Recommended Study Plan: 4–6 Weeks

Most candidates pass CLF-C02 in 4–6 weeks of part-time study (8–10 hours per week). A practical schedule:

Week	Focus	Activities
Week 1	Cloud Concepts + Security	AWS Skill Builder free courses; domain 1 and 2 review; 20 practice questions daily
Week 2	Core services: compute, storage, database	AWS Free Tier hands-on with EC2, S3, RDS; build service use-case flashcards
Week 3	Networking, AI/ML, management tools	Review VPC, CloudFront, CloudWatch, SageMaker; mixed-domain practice questions
Week 4	Billing, pricing, support + weak areas	Full 65-question timed simulation; review every wrong answer; memorize support plan tiers
Weeks 5–6 (if needed)	Gap review + readiness check	Two more full simulations; target 80%+ consistently before booking

Active practice testing is far more effective than passive video watching for CLF-C02. Our guide to active recall and spaced repetition for IT certs covers why practice testing roughly doubles retention — and how to apply it to a cloud certification study plan.

Free Study Resources for CLF-C02

You don't need paid materials to pass CLF-C02. The best free resources:

• AWS Skill Builder (skillbuilder.aws) — AWS's own free training platform includes a CLF-C02 learning plan with video courses and an official practice question set. The free tier is sufficient.
• AWS Free Tier — Hands-on experience with actual AWS services beats any study guide. Sign up for a free AWS account and build the services you're studying — EC2, S3, Lambda, RDS — within Free Tier limits.
• AWS Whitepapers — The Overview of Amazon Web Services and AWS Well-Architected Framework whitepapers are free PDFs that cover significant exam content directly.
• freeCodeCamp / YouTube — Free full-length CLF-C02 courses are available on YouTube; Andrew Brown's freeCodeCamp AWS course is widely recommended by the r/AWSCertifications community.
• CertQuiz free simulator — If you have CLF-C02 practice question files in VCE, PDF, or DOCX format, upload them to our free simulator and run them in your browser without any software installation. See our free VCE simulator guide for a broader comparison of available tools.

What Comes After CLF-C02?

CLF-C02 is the on-ramp, not the destination. After passing, the most common next steps:

Path	Next Certification	Who It's For
Architecture	AWS Certified Solutions Architect – Associate (SAA-C03)	Cloud architects, backend engineers, infrastructure roles
Development	AWS Certified Developer – Associate (DVA-C02)	Software developers building on AWS services
Operations	AWS Certified SysOps Administrator – Associate (SOA-C02)	Operations engineers, system administrators
Security	AWS Certified Security – Specialty (SCS-C02)	Security engineers with 2+ years AWS experience
Multi-cloud	Microsoft AZ-900 or Google Cloud Digital Leader	Professionals working across cloud providers

The most popular follow-up is SAA-C03. It builds directly on CLF-C02 knowledge, goes significantly deeper on every service category, and commands salaries of $130K–$150K+ for certified solutions architects. SAA-C03 is a substantial jump in difficulty — budget 2–3 months of dedicated study versus the 4–6 weeks typical for CLF-C02.

FAQ

How much does CLF-C02 cost?

$100 USD — the lowest exam fee in the AWS certification portfolio. AWS occasionally offers free or discounted vouchers through virtual training days, AWS Jam events, and re:Invent promotions. Check the AWS Certification page for current offers before purchasing a voucher at full price.

What is the passing score for CLF-C02?

700 out of 1,000 on a scaled score (source: AWS official exam guide). The scaled score adjusts for question difficulty — the raw percentage of correct answers required varies slightly by exam form. Aim for 80%+ on practice tests before booking to give yourself a comfortable margin.

How long does CLF-C02 certification last?

Three years. You can renew by retaking CLF-C02, passing any higher-level AWS certification (which automatically renews foundational credentials), or completing AWS's Continuing Education program. AWS notifies you when your certification is approaching expiration.

Can I take CLF-C02 online from home?

Yes. Both Pearson VUE and PSI offer online proctored delivery. You'll need a webcam, microphone, valid government ID, and a quiet room with no secondary monitors. Check the technical requirements on the AWS exam scheduling page before your test date.

Is CLF-C02 worth it for experienced engineers?

If you already have hands-on AWS experience, CLF-C02 carries limited signal to technical hiring managers — SAA-C03 or a specialty cert is a better use of your time. That said, if you need a formal credential quickly or are entering AWS from another cloud platform, CLF-C02 is a fast, low-cost way to establish a verified baseline while working toward an associate-level certification.

What's the difference between CLF-C01 and CLF-C02?

CLF-C02 retired CLF-C01 in September 2023. Key additions: explicit coverage of AI/ML services (SageMaker, Rekognition, Comprehend), sustainability as the sixth Well-Architected pillar, and expanded migration and transfer content. Domain weights also shifted — Security and Compliance increased to 30% of scored content. Any study materials dated before mid-2023 target the retired exam.

Start Practicing Today — Free

The most efficient CLF-C02 preparation combines AWS Skill Builder (free) with active practice testing. If you have CLF-C02 practice question files in any format, upload them to our free simulator — VCE, PDF, DOCX, and TXT all work, entirely in your browser with no account or software required.

Comparing your options? Our AWS CCP vs AZ-900 guide breaks down whether AWS or Azure is the better starting point for your career. For study method guidance, our active recall and spaced repetition guide shows how to structure your CLF-C02 prep for maximum retention. Browse all our free certification guides across CompTIA, Cisco, and Azure paths.