Alteryx-Core Data Preparation Practice Question
You have a list of files in a directory. Which tool can read all these files at once into your workflow?
⚠ Common exam trap
Candidates often assume a specialized tool like the Directory tool is required to read multiple files, missing the simpler functionality of using wildcards directly within the standard Input Data tool.
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
The Input Data tool.
The Input Data tool supports the use of wildcards (e.g., *.csv) to read multiple files simultaneously. This is a powerful feature for automating data ingestion from folders with multiple similar data sources. Understanding how to use wildcards is vital for building dynamic workflows that can handle changing data sources without manual intervention or reconfiguration of the workflow.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
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The Output Data tool.
Why it's wrong here
The Output Data tool is for writing files to a destination, not reading them into the workflow. Using it for ingestion is logically incorrect, as it is fundamentally configured to export data, and it lacks any mechanisms for reading files from a directory.
- ✓
The Input Data tool.
Why this is correct
The Input Data tool can read multiple files at once by utilizing wildcards like 'folder/*.xlsx'. This is the standard method for batch processing files in Alteryx, providing an efficient way to import large sets of related data without the need for individual connections.
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The Select tool.
Why it's wrong here
The Select tool is for field metadata management and cannot be used to connect to or read external files. It exists purely to refine data that has already been ingested into the workflow, making it unsuitable for the initial data import task.
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The Join tool.
Why it's wrong here
The Join tool combines existing data streams from two input paths. It does not possess any file-reading capabilities or the ability to iterate through a directory, making it impossible to use as a replacement for the Input Data tool for this file ingestion task.
About these practice questions
This Alteryx-Core question is part of Courseiva's 142-question bank — original exam-style content with full explanations and wrong-answer analysis, never real exam questions or exam dumps. Learn why practice questions differ from exam dumps →
JA
Written and reviewed by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
Last reviewed September 2026 · checked against the official Alteryx exam blueprint
This Alteryx-Core practice question is part of Courseiva's free Alteryx certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the Alteryx-Core exam.