AI-103 Text Analysis Practice Question
You are building an application that analyzes user feedback. You need to detect instances where users share their phone numbers, email addresses, and credit card numbers so that you can automatically redact them. Which feature should you use?
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
✓
PII detection
Personally Identifiable Information (PII) detection identifies and redacts sensitive information such as phone numbers, emails, and financial data.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Sentiment analysis
Why it's wrong here
Sentiment analysis evaluates emotion.
- ✗
Language detection
Why it's wrong here
Language detection identifies the written language.
- ✗
Named Entity Recognition (NER)
Why it's wrong here
Standard NER extracts general entities like people and locations, not specifically for secure PII redaction.
- ✓
PII detection
Why this is correct
PII detection identifies, classifies, and optionally redacts sensitive personal data.
About these practice questions
This AI-103 question is part of Courseiva's 510-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 August 2026 · checked against the official Microsoft exam blueprint
This AI-103 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-103 exam.