AI0-001 Implementing AI Solutions Practice Question
An organisation is developing a document intelligence system that extracts information from scanned invoices. Which THREE data preparation steps are critical to ensure high extraction accuracy? (Choose THREE.)
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
✓
Cleaning and correcting OCR output
Image preprocessing (like skew correction), OCR cleaning, and field annotation are essential for accurate extraction.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Cleaning and correcting OCR output
Why this is correct
OCR errors must be fixed to avoid downstream extraction mistakes.
- ✗
Removing punctuations and stopwords
Why it's wrong here
Punctuation removal may harm extraction of monetary values or dates.
- ✗
Normalising all text to lowercase
Why it's wrong here
Lowercasing may lose information like proper nouns, which is not always beneficial.
- ✓
Annotating bounding boxes and field labels
Why this is correct
Annotated fields enable supervised training for extraction models.
- ✓
Image preprocessing (e.g., deskewing, binarisation)
Why this is correct
Improves OCR quality by correcting image distortions.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This AI0-001 practice question is part of Courseiva's free CompTIA 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 AI0-001 exam.