Tableau · Foundations
Tableau Desktop Foundations (TDS-C01)
Formerly Tableau Desktop Specialist.
Prove foundational Tableau Desktop skills: connecting to and preparing data, exploring, analyzing, and sharing insights.
TDS-C01 exam at a glance
| Exam code | TDS-C01 |
|---|---|
| Vendor | Tableau |
| Level | Foundations |
| Domains | 4 |
| Published practice questions | 51 |
| Our mock exam | 40 questions in 70 minutes |
| Our practice pass target | 48% |
| Checked against the exam guide | October 12, 2026 |
| Official exam page | Tableau — TDS-C01 |
The mock exam length, time limit and pass target are our practice settings, not official exam scores or a guarantee of passing. Check the official TDS-C01 exam page for the current format, price and scoring before you book.
TDS-C01 exam domains
Weights show our practice allocation, built from the official exam guide; official blueprints may give ranges. Each domain links to its free sample questions (with explanations) and study guide preview once they are published.
Connecting to and Preparing Data
23%Connecting to data sources, creating and managing data connections, joins/unions/relationships, and preparing data for analysis.
- Connecting to files, databases, and saved data sources
- Live vs extract connections and when to use each
- Joins (inner/left/right/full), unions, and relationships
- Data types, roles (dimension vs measure), and data source metadata
- Renaming, hiding, splitting, and pivoting fields
- Data source filters and creating an extract
Free Connecting to and Preparing Data practice questions →Connecting to and Preparing Data study guide →
Exploring and Analyzing Data
37%Building views, applying filters and sorts, using calculations, aggregations, and analytics to explore and analyze data.
- Building basic views: bar, line, map, scatter, crosstab
- Discrete (blue) vs continuous (green) fields
- Filters, context filters, and quick filters
- Sorting, grouping, sets, hierarchies, and bins
- Calculated fields, aggregations, and table calculations
- Reference lines, trend lines, forecasting, and the Analytics pane
- Marks card: color, size, label, detail, tooltip
Free Exploring and Analyzing Data practice questions →Exploring and Analyzing Data study guide →
Sharing Insights
25%Building and formatting dashboards and stories, and sharing and exporting Tableau content.
- Creating dashboards and adding sheets, objects, and containers
- Dashboard actions (filter, highlight, URL) and interactivity
- Device layouts and dashboard sizing
- Building stories to present a sequence of insights
- Formatting views and dashboards (fonts, colors, tooltips)
- Exporting and publishing (image, PDF, packaged workbook, Tableau Server/Cloud)
Free Sharing Insights practice questions →Sharing Insights study guide →
Understanding Tableau Concepts
15%Core Tableau concepts: dimensions vs measures, discrete vs continuous, aggregation, and the Tableau product terminology.
- Dimensions vs measures and how Tableau assigns them
- Discrete vs continuous and how it affects the view
- Aggregation (SUM, AVG, COUNT) and granularity
- Workbook structure: worksheets, dashboards, stories
- Tableau file types (.twb vs .twbx) and data source concepts
- The role of Tableau Desktop vs Tableau Server/Cloud/Public
Free Understanding Tableau Concepts practice questions →Understanding Tableau Concepts study guide →
TDS-C01 FAQ
How is the Tableau Desktop Foundations (TDS-C01) practice assessment configured?
Our practice format targets 40 questions in 70 minutes. Availability depends on the published question bank and is shown on this course page. Official exam question counts and formats may differ.
What does the 48% practice target mean?
Check the provider's current exam guide for official scoring. A practice percentage is not an official scaled score. DataCertPrep uses 48% as an internal practice target, not a prediction or guarantee of passing.
How should I assess my progress in Tableau Desktop Foundations (TDS-C01)?
Use practice accuracy to find weak topics. Repeating familiar questions can inflate your score. Check coverage of the current objectives, practise hands-on tasks, and assess yourself on unseen questions.
What is the best way to study Tableau Desktop Foundations (TDS-C01)?
Read the available guides, work through practice explanations, use flashcards and complete practical exercises. Take a timed assessment when available. Check the provider's current exam guide before booking your exam.
Should I use TDS-C01 exam dumps?
No. "Dumps" are questions copied or recalled from the live exam. Certification exams are covered by a candidate agreement that prohibits sharing or using them, and breaking it can lead to a revoked certification or a ban from future exams. Dumps are also often wrong, and they go out of date when the exam blueprint changes. Memorising answers does not build the skills the exam tests. Study the official Tableau exam guide and practise with original questions that explain each answer, such as the free sample questions linked on this page.
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