Ultimate AWS Certified Cloud Practitioner CLF-C02 vs Dominate GMAT Verbal - Comprehensive GMAT Verbal Prep Course
Same Bayesian formula, same rubric — so the difference in scores reflects the difference in the courses, not the difference in how we evaluated them.
Stephane Maarek (Udemy) · Test Prep
Ultimate AWS Certified Cloud Practitioner CLF-C02
Brett Ethridge / Dominate Test Prep (Udemy) · Test Prep
Dominate GMAT Verbal - Comprehensive GMAT Verbal Prep Course
Per-criterion
Ultimate AWS Certified Cloud Practitioner CLF-C02
The course covers all CLF-C02 exam domains: cloud concepts, core AWS services (EC2, S3, RDS, Lambda, VPC), security and compliance, pricing and billing models, and global infrastructure. Felipe Tofoli described it as "very comprehensive and up-to-date," with Maarek providing "valuable tips about the exam" and clarifying exactly what each AWS service section will be tested on. The course is regularly refreshed — over 20 videos were updated in 2023 to reflect AWS UI changes and CLF-C02 exam revisions, keeping it current well beyond the initial CLF-C01 to CLF-C02 transition. The one content gap occasionally noted is that the course naturally prioritizes exam domains over production architecture depth, which is appropriate for a Practitioner-level certification but leaves learners who want hands-on cloud engineering needing a follow-up course.
Maarek holds 11 AWS certifications and has taught over 1.5 million students on Udemy, making him the most credentialed and widely followed AWS instructor on the platform. Younusraza called him "an excellent teacher" who "dives into the details of many topics, making your foundation strong." Tanvi Saxena noted the course helped her "understand cloud concepts step-by-step without assuming prior knowledge," crediting Maarek's structured progression as what made the material approachable. His teaching style — combining clear narration, architecture diagrams, and console demos — is consistently cited across sources as the primary reason learners choose his course over alternatives.
The course regularly goes on sale on Udemy for approximately $13–$19.99, a price point multiple reviewers describe as outstanding value for the depth provided. One reviewer at Cyber4Noobs obtained it for $13 and called it "worth every penny." With lifetime access, free content updates, and included section quizzes and a practice exam, the total cost-per-hour of learning is among the lowest available for any cloud certification prep. For a course that can realistically prepare a complete beginner for a globally recognized cloud certification in two to four weeks, the price-to-outcome ratio is exceptional.
The AWS Cloud Practitioner is an entry-level, non-technical certification designed to validate foundational cloud literacy rather than hands-on engineering skill. Saurabh Jain credited Maarek's course with giving him "a solid foundation of all the key AWS services covered in the exam, from compute and storage to support plans and global infrastructure," which he found immediately useful when orienting to cloud projects at work. However, several community voices note that the CLF-C02 itself is more a business and conceptual certification than a technical one, and that real-world cloud engineering skills require follow-on certifications such as the Solutions Architect Associate. The course's real-world value is strongest for non-technical stakeholders, project managers, and career-changers validating cloud literacy.
The course includes section quizzes, at least one full practice exam, and access to Udemy's Q&A forum. Separate practice exam packages co-authored by Maarek and Abhishek Singh (6 full exams, 65 questions each) are available for additional purchase and are widely praised for their detailed answer explanations and exam-aware question design. Multiple reviewers note these practice exams are intentionally harder than the real CLF-C02 — which one reviewer described as actually reassuring, since it meant the real exam felt manageable by comparison. There is no live instructor interaction, which is standard for Udemy courses, and the Q&A forum is the primary support channel.
Dominate GMAT Verbal - Comprehensive GMAT Verbal Prep Course
The course covers Sentence Correction (the "Big 6" grammar rules), Critical Reasoning, and Reading Comprehension across six-plus hours of instructional video. Learners consistently praise the clarity and structure — one student called the material "simple, straightforward and digestible" and credited Brett's "strategies and approaches for thinking quicker." However, the GMAT Focus Edition launched November 7, 2023 and completely removed Sentence Correction from the test, which was one-third of the classic verbal section. A course that still dedicates substantial runtime to a question type that no longer earns test-takers any points carries a content-currency problem that is structural, not stylistic.
Brett Ethridge is the course's strongest asset. A Duke University graduate and MA holder in International Finance, he has an instructor rating of 4.4 on Udemy across 3,199 reviews and is consistently praised for making complex verbal reasoning intuitive. Students describe him as having "fantastic teaching and amazing subject knowledge" and say the course "gave me tools to be confident with the test." Multiple students report 100–150 point score improvements they credit directly to his methods, and one debrief on GMAT Club singles him out by name: "The thing I enjoyed most about his style of teaching was that it was simple, straightforward and digestible."
At typical Udemy sale pricing (under $20 with lifetime access), Dominate GMAT Verbal is dramatically cheaper than the $147 standalone verbal plan on Brett's own DominateTestPrep.com or any full-platform competitor. Learners from the GMAT Club forum bought both this and a second Udemy verbal course for under $10 combined during a Black Friday sale, with one poster summarising the calculus as "Try it — it's virtually free." The honest offset is the GMAT Focus content problem: you are paying, however little, for a course that devotes significant time to Sentence Correction, a skill the current GMAT no longer tests.
The course includes worksheets for each of the six Sentence Correction grammar categories and reading comprehension and critical reasoning drills — adequate for reinforcement but not a high-volume question bank. Serious GMAT Club users consistently note that GMAC official practice tests are the only questions that truly mirror the adaptive exam, and neither this course nor any Udemy GMAT offering includes official GMAC material. For realistic GMAT Focus practice, learners must separately purchase the official GMAT prep software and question packs, making this course a teaching layer rather than a primary practice engine.
Where the course still lands well is on transferable reasoning skills. Critical Reasoning and Reading Comprehension — the two verbal question types retained in GMAT Focus — are taught rigorously, and multiple students report that Brett's structured approach to dissecting RC passages and CR arguments carried them on exam day. Student Georges Kazan (Quebec) specifically called out "Critical Reasoning tools were incredibly helpful," and another student described the experience as "like being handed a flashlight and a map" for an exam that had previously felt overwhelming. These skills also transfer directly to the verbal sections of the LSAT and GRE.
Scoring methodology applies identically to every course on the site — see the formula.