15 Data Preparation Practice Exams and Question Banks
We compared 15 Data Preparation courses currently listed on Udemy, priced from $19.99 to $49.99. They are ordered by our CourseAsk score, which is built from how thoroughly each course describes what it teaches, whether it comes from a named institution, and how it compares on price — not from star ratings, which our course data does not include.
- Courses compared
- 15
- Price range
- $19.99 – $49.99
- Providers
- Udemy
- Last updated
- 18 Sep 2026
How these 15 courses were chosen
Every course below is a real, currently listed course from Udemy, matched to "data preparation" by our catalog and ordered by our CourseAsk score. Courses whose own title names the topic rank above those only tagged with it.
The grade on each entry scores how much the provider publishes about the course before you pay — the length and detail of the description, whether it lists learning outcomes and objectives — and whether a named university or institution stands behind it. A is fully documented and institution-backed; E is little more than a title and a price. Courses with almost nothing published are left ungraded rather than marked down, because an unknown course and a poor one are not the same thing.
There are no star ratings on this page — the course feeds we license do not include them, and we would rather leave a column out than fill it with a number we cannot stand behind. What we do have is price: these range from $19.99 to $49.99, as listed by the provider when we last updated the page.
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1
PL-300: Microsoft Power BI Data Analyst Practice Exams w/QAs
Are you ready to take your Microsoft Power BI skills to the next level? Look no further than the PL-300 Microsoft Power BI Data Analyst Certification Practice Exam! This comprehensive exam is designed to test your knowle...
$19.99listed price -
2
Tableau Data Analyst Preparation Practice Exams
Tableau Data Analyst plays a crucial role in transforming raw data into meaningful insights that drive business decisions. They leverage Tableau’s powerful visualization tools to create interactive dashboards and reports...
$19.99listed price -
3
AWS Certified ML Engineer Associate: Practice Test 2026
Are you ready to pass the AWS Certified Machine Learning Engineer - Associate (MLA-C01) exam and prove your skills in building and operationalizing ML solutions on AWS?This is the practice exam course you need. It is des...
$19.99listed price -
4
CompTIA Data+ Preparation Practice Exams
CompTIA Data+ is a vendor-neutral certification designed to validate foundational data skills across the entire data lifecycle. It focuses on practical understanding rather than tool-specific mastery, making it suitable...
$19.99listed price -
5
PL-300: Power BI Data Analyst Mock Exams (Unofficial)
Are you preparing for the PL-300: Microsoft Power BI Data Analyst certification exam? This course offers carefully designed practice tests that will help you strengthen your knowledge, identify weak areas, and build conf...
$19.99listed price -
6
Power BI Interview Mastery: Practice Tests & Explanations
About PL-300 Microsoft Power BI ExamThe PL-300 exam, also known as the Microsoft Power BI Data Analyst exam, is designed for professionals who want to validate their skills in using Power BI to visualize data, create and...
$19.99listed price -
7
Databricks Machine Learning Associate — 1500 Exam Questions
In the modern era of Data Engineering, Artificial Intelligence, and Large-Scale Machine Learning, organizations rely on scalable ML platforms capable of processing massive datasets, tracking experiments, deploying models...
$19.99listed price -
8
Tableau Desktop Specialist Practice Tests - Easy/Mid QU 2026
Tableau Desktop Specialist Certification is a highly sought-after credential for individuals looking to showcase their expertise in data visualization and analysis using Tableau software. This certification demonstrates...
$19.99listed price -
9
Salesforce Certified Tableau Desktop Foundations Questions
Salesforce Certified Tableau Desktop Foundations – Full Practice Exams (by ForceWise)This course from ForceWise includes a full set of practice exams to help you prepare for the Salesforce Certified Tableau Desktop Found...
$19.99listed price -
10
Tableau Desktop Specialist Certification Practice Tests 2026
Tableau Desktop Specialist certification is a highly sought-after credential in the field of data visualization and analytics. This certification demonstrates an individual's proficiency in using Tableau Desktop to analy...
$19.99listed price -
11
3 Practice Exams | AWS Machine Learning Engineer MLA-C01
Are you preparing for the AWS Certified Machine Learning Engineer – Associate (MLA-C01) exam and want realistic practice before test day? This course provides 3 high-quality, full-length practice exams and 160 unique que...
$19.99listed price -
12
ISTQB AI Tester: 5 Practice Exams
Prepare for the ISTQB Certified Tester AI Testing exam with five focused practice tests designed around the CT-AI v2.0 syllabus. This course is built for software testers, QA engineers, test managers, automation engineer...
$24.99listed price -
13
Microsoft Power BI PL 300 Certification Practice Questions
Welcome to the PL-300 Practice Test Course, your ultimate resource for preparing and excelling in the Microsoft Power BI Data Analyst certification exam. This course is designed to equip you with the knowledge, skills, a...
$19.99listed price -
14
AWS Certified AI Practitioner AIF-C01 | Practice Exams
Are you prepared to pass the AWS Certified AI Practitioner exam? Find out by testing yourself with our extensive practice exam course. Each of the practice tests in this course is designed to simulate the actual exam, he...
$49.99listed price -
15
AWS Certified Generative AI Developer Practice Tests 2026
Prepare confidently for the AWS Certified Generative AI Developer – Professional certification with a comprehensive set of realistic, exam-style practice tests designed to mirror the latest 2026 AWS exam standards.This c...
$19.99listed price
Data Preparation Practice Exams and Question Banks compared
Prices shown are the provider's listed price when we last updated this page. Confirm on their site before enrolling.
What the prices here tell you
The 15 priced courses on this page run from $19.99 to $49.99, with the middle of the range around $19.99 — a spread of $30.00. The options are closely priced, so cost is unlikely to be your deciding factor. A higher price on this page usually reflects who is behind the course rather than how much material it contains, so it is worth opening two or three at different price points and comparing their syllabus before deciding.
Who is behind these courses
These courses come from Udemy. Everything on this page is sold on the one platform, so the buying experience is the same whichever you pick.
Courses versus exam preparation
15 of the entries here are built around a certification exam rather than teaching Data Preparation from scratch. They are the right choice only if you already know the material and want to pass a specific exam; if you are starting out, pick one of the taught courses first and come back to exam preparation afterwards.
Before you enrol
Open the provider’s own page and check three things this comparison cannot tell you: when the course was last updated, what the syllabus actually covers in its later sections, and what recent learners say. Prices shown here are the provider’s listed price when we last rebuilt this page on 18 September 2026 — they change often, and a promotion can move them substantially. We earn a commission if you enrol through our links, which costs you nothing and never affects the order courses appear in.