Quick Answer
The answer is Azure AI Vision (Read API), Azure AI Language, and Azure AI Document Intelligence. This combination works because Azure AI Vision’s Read API or Document Intelligence first extracts all text from the image, then Azure AI Language’s PII detection capability identifies sensitive entities like names or social security numbers, allowing you to programmatically redact that text from the original image. On the AI-102 exam, this scenario tests your understanding of chaining cognitive services for a multi-step data processing pipeline, often appearing as a “select three” question where Custom Vision (object detection) and Video Indexer (video analysis) are common distractors. The key trap is remembering that PII detection is a language-based task, not a vision task, so you need a text extraction service first. Memory tip: think “Extract, Detect, Redact” — Vision extracts, Language detects, and you handle the redaction logic in your code.
This AI-102 practice question tests your understanding of implement computer vision solutions. Match the stated requirement to the specific cloud service, access model, or configuration option — many options are valid in isolation but not for this scenario. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
You are developing a solution to detect and redact personally identifiable information (PII) in images of documents. Which THREE Azure services can you use together?
Azure Custom Vision
Why wrong: Custom Vision does not detect PII.
Azure AI Language (PII detection)
Detects PII in text.
Azure AI Document Intelligence
Also extracts text from documents.
Azure AI Vision (Read API)
Extracts text from images.
Azure Video Indexer
Why wrong: For video, not static images.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
Azure AI Language (PII detection)
Options A, B, and D are correct because Azure AI Vision or Azure AI Document Intelligence can extract text, Azure AI Language can detect PII, and then the text can be redacted. Option C is wrong because Custom Vision is for object detection, not PII detection. Option E is wrong because Video Indexer is for video, not images.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
For each option: why learners choose it and why it is or isn't the right answer here.
Azure Custom Vision
Why it's wrong here
Custom Vision does not detect PII.
Azure AI Language (PII detection)
Why this is correct
Detects PII in text.
Related concept
Read the scenario before looking for a memorised answer.
Azure AI Document Intelligence
Why this is correct
Also extracts text from documents.
Related concept
Read the scenario before looking for a memorised answer.
Azure AI Vision (Read API)
Why this is correct
Extracts text from images.
Related concept
Read the scenario before looking for a memorised answer.
Azure Video Indexer
Why it's wrong here
For video, not static images.
Common exam traps
Many certification questions include familiar terms but test a specific constraint. Read the exact wording before choosing an answer that is generally true but wrong for this case.
Detailed technical explanation
This question should be treated as a scenario, not a definition check. Identify the problem, the constraint and the best action. Then compare each option against those facts.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
A media company stores terabytes of video archives that are accessed once a year for audit purposes. Moving these objects to a cold storage tier (Azure Archive, S3 Glacier, or Google Nearline) costs a fraction of hot storage. Questions like this test whether you understand storage tiers, access frequency tradeoffs, and retrieval latency requirements.
What to study next
Identify which AI-102 exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
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FAQ
Implement computer vision solutions — This question tests Implement computer vision solutions — Read the scenario before looking for a memorised answer..
The correct answer is: Azure AI Language (PII detection) — Options A, B, and D are correct because Azure AI Vision or Azure AI Document Intelligence can extract text, Azure AI Language can detect PII, and then the text can be redacted. Option C is wrong because Custom Vision is for object detection, not PII detection. Option E is wrong because Video Indexer is for video, not images.
Identify which AI-102 exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
Read the scenario before looking for a memorised answer.
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Last reviewed: Jun 20, 2026
This AI-102 practice question is part of Courseiva's free Microsoft 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 AI-102 exam.
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