AWS Cloud Practitioner (CLF-C02)

Foundational AWS exam — proctored at Pearson VUE / OnVUE — entry-tier credential

AWS Cloud Practitioner (CLF-C02) is AWS's entry-level certification — broader than the Solutions Architect Associate, less technical, designed for cloud-adjacent roles (sales, project management, ops, customer success) as well as engineers cross-training to AWS. The exam is proctored via Pearson VUE testing centers or OnVUE remote-proctoring. Like AZ-900, this means HearQA is a prep-tool for the unproctored study materials but not for the live exam. CLF-C02 is the standard credential for AWS-adjacent professional roles; engineering candidates typically skip it and go directly to SAA-C03.

Exam format

Questions: 65 questions
Duration: 90 minutes
Passing: 700 / 1000 (~70%)
Cost: $100 USD

Common pitfalls

Over-preparing — CLF-C02 is genuinely entry-level; many engineering candidates over-study and waste time that should go to SAA prep
Skipping the AWS-pricing domain — pricing-and-billing concepts are ~16% of the exam, often skimmed
Confusing CLF-C02 with SAA — CLF tests cloud concepts; SAA tests architecture decisions; different cognitive loads
Cramming services breadth over scenarios — like all AWS exams, CLF-C02 is scenario-based
Taking it for engineering-role signal — for engineering, SAA-C03 carries more weight

Strategies that work

Use AWS's official Cloud Practitioner Essentials course (free, ~6 hours)
Pair with Stephane Maarek's Udemy course (~$15 on sale)
Take 2-3 practice exams in the week before the real exam — Tutorials Dojo and Whizlabs are widely-used
Use HearQA Practice → Exam Questions sub-type for spaced-repetition between formal practice exams
Decide between testing center vs OnVUE based on home environment

How HearQA Helps

Upload AWS Cloud Practitioner Essentials transcripts + Stephane Maarek course notes + your study notes to your document library
During unproctored study sessions: live HearQA surfaces module-material references when scenarios get complex
Practice → Exam Questions sub-type generates CLF-flavored scenario questions from your notes
Track per-domain conversion rate (cloud concepts, security, technology, billing) across practice sessions
For the proctored final exam: HearQA is NOT permitted (Pearson VUE / OnVUE detection). Use Practice mode in the days before; test without HearQA

Note: Use HearQA's Practice scenario for prep — not during the proctored exam itself. See when HearQA fits.

Try HearQA free

FAQ

Is HearQA allowed during the AWS Cloud Practitioner exam?

No — AWS exams are proctored via Pearson VUE testing centers or OnVUE remote-proctoring. Both detect external software. HearQA is a prep tool for unproctored study materials, not the live exam.

Should engineers take CLF-C02 before SAA-C03?

Usually no. CLF-C02 is too entry-level for engineering roles; the credential signal is weak vs SAA-C03. Most engineers skip CLF-C02 and prep directly for SAA-C03. Where CLF-C02 makes sense: AWS-adjacent professional roles (sales, project management, ops, CS) where the entry-level credential matches the scope.

How long does CLF-C02 prep take?

20-40 hours of focused study for candidates with no AWS exposure. Candidates with adjacent cloud experience (Azure, GCP) can compress to 15-25 hours. The AWS Cloud Practitioner Essentials course is ~6 hours; add 15-30 hours of practice + course materials.

Does CLF-C02 expire?

Yes — like most AWS certifications, CLF-C02 expires 3 years after passing. Re-certification requires re-taking the exam (or in some cases, passing a higher-tier certification automatically renews lower-tier ones). Plan accordingly if the credential is for ongoing professional signaling.