Last updated: May 2026. Written by Josh Hutcheson. See our review methodology.
By Josh Hutcheson · E-Learning Specialist
Reviewing online learning platforms since 2019. Connect on LinkedIn · Review methodology
The 60-second guide: AWS Certified Cloud Practitioner (CLF-C02) is the foundational AWS certification — entry-level, accessible to non-engineers, and the #1 most-earned AWS cert. Exam costs $100 USD, runs 90 minutes, contains 65 questions. Most candidates pass first try with 4-6 weeks of focused prep. It’s the right starting point if: you’re moving from a non-tech role to cloud, you want to validate AWS fundamentals before specialization, or you’re in sales/marketing/management at a cloud-using company. Best prep path: the official AWS Cloud Practitioner Essentials course (free) plus practice tests. For deeper hands-on, pair with a Udacity AWS-stack Nanodegree to build the portfolio that matters more than the cert itself for hiring.
CLF-C02 exam at a glance (verified from AWS official):
Risk reversal: AWS lets you retake the exam after 14 days if you don’t pass. Many candidates pass on the second try after identifying weak domains.
AWS Certified Cloud Practitioner (CLF-C02) is the entry-level credential in the AWS certification track. Unlike the Associate-level certs (Solutions Architect, Developer, SysOps, Data Engineer), Cloud Practitioner is foundational — designed for people who need to understand AWS without necessarily building on it day-to-day.
The exam validates four areas: cloud concepts, security and compliance, technology and services, and billing/pricing/support. Each domain is at the “awareness” level — you should be able to answer “what is S3?” or “when do I use Lambda vs EC2?” without writing code or designing architectures.
It’s the most-earned AWS cert globally — over 1.5 million holders worldwide as of 2026 — because it’s the right starting point for the broadest audience.
Take it if you’re:
Skip it if you’re:
| Detail | CLF-C02 |
|---|---|
| Cost | $100 USD |
| Duration | 90 minutes |
| Number of questions | 65 (50 scored + 15 unscored research) |
| Question format | Multiple choice + multiple response |
| Passing score | 700 / 1000 (scaled) |
| Languages | English, Japanese, Korean, Chinese (Simplified + Traditional), Spanish, Portuguese, German, French, Italian, Bahasa Indonesia, Thai, Vietnamese, Arabic |
| Delivery | Pearson VUE testing center OR online proctored |
| Validity | 3 years |
| Recommended experience | 6 months exposure to AWS Cloud (any role) |
Trickiest area: distinguishing IaaS / PaaS / SaaS scenarios. Practice with case-study questions.
Biggest weight — spend the most time here. Shared Responsibility is the single most-tested concept on the exam.
You don’t need to know how to use these — just what each one does and when it’s the right tool.
CLF-C02 alone doesn’t typically move salary much — it’s entry-level. But it’s the gatekeeper to higher-paying Associate certs. Real salary impact comes when paired with role experience or follow-up certs:
Glassdoor (April 2026) data: cloud roles requiring CLF-C02 (or equivalent fundamentals): $65K-$95K median entry-level base in US tech hubs.
Honest ranking by community consensus (r/AWSCertifications, exam-pass surveys), not corporate preference:
Stephane Maarek’s CLF-C02 course on Udemy is consistently the highest-rated CLF-C02 course on Udemy and frequently recommended in r/AWSCertifications threads and the most-recommended single resource for this exam. ~15 hours, $15-30 with Udemy discount, covers all 4 domains with exam-style framing throughout. If you only buy one paid resource, this is it.
AWS’s own course on AWS Skill Builder. Completely free. ~6 hours of video. The baseline that everyone should complete — if you can’t pass after this, more material won’t help.
$14.99 for 6+ full-length practice tests by Jon Bonso. Hardest practice tests on the market — if you score 80%+ on Tutorials Dojo, you’ll pass the real exam.
$35-50/month for ~15-20 hours of focused exam prep. Solid alternative to Maarek if you prefer different teaching style.
If your goal goes beyond the cert — if you actually want a hands-on portfolio for hiring — pair the cert prep above with one of these after you pass CLF-C02:
Important: Udacity is NOT the best exam prep for CLF-C02 specifically. Use Maarek + Tutorials Dojo for the exam, then Udacity for the portfolio that gets you hired.
It’s the easiest AWS cert — truly entry-level. AWS doesn’t publish official pass rates, but community-reported pass rates among candidates who complete 4-6 weeks of focused prep are consistently high — the most accessible entry to the AWS cert track. The trickiest domain is Security and Compliance (Domain 2) which gets 30% of question weight.
$100 for the exam itself. Total cost including prep: $100-$300 depending on whether you use free resources only or buy practice tests + a Udemy course.
Yes — for the right audience. It’s an excellent gateway cert for non-engineers, career switchers, and managers. For experienced engineers, skip it and go directly to Solutions Architect Associate.
Possible but harder. Hands-on practice solidifies concepts that pure video study misses. Spend a few hours clicking around the AWS console — the Free Tier covers this.
3 years. Recertification requires retaking the exam (or earning any higher-tier AWS cert which automatically renews lower-tier certs).
If you have any AWS hands-on experience: skip CLF-C02, go straight to SAA-C03 (guide here). If you’re truly starting from zero: CLF-C02 first.
Cloud Sales, Cloud Support Engineer (entry-level), Cloud Account Manager, Cloud Project Manager, IT Generalist roles at cloud-using companies. For technical roles (DevOps, Cloud Engineer, Solutions Architect), pair with hands-on portfolio + an Associate cert.
AWS for most beginners (bigger market, more entry-level openings, more learning resources). Azure if you target Microsoft-shop employers. See our AWS vs Azure comparison for a decision framework by user profile.
The Associate-level certs:
Cert path: AWS Data Engineer cert · AWS ML cert · AWS Developer cert · AWS vs Azure
Best courses: Udacity AWS Cloud Architect Nanodegree · Udacity Cloud Developer Nanodegree · Udacity Cloud DevOps Engineer
