AIF-C01 Fundamentals of AI and ML Practice Question
A company wants to use AWS services to process natural language text. Which TWO AWS services provide natural language processing (NLP) capabilities? (Select TWO.)
⚠ Common exam trap
Test-takers frequently confuse text-to-speech (Polly) or translation (Translate) with NLP, but these services do not perform language understanding or analysis—they only convert or generate speech/translation without extracting meaning.
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
✓
Amazon Comprehend
Amazon Comprehend is a natural language processing (NLP) service that uses machine learning to extract insights such as entities, key phrases, sentiment, and syntax from text. Amazon Lex provides NLP capabilities through automatic speech recognition (ASR) and natural language understanding (NLU) to build conversational interfaces like chatbots.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Amazon Translate
Why it's wrong here
Translate is a translation service, but not typically categorized as an NLP service in this context.
- ✗
Amazon Rekognition
Why it's wrong here
Rekognition is for image and video analysis, not NLP.
- ✓
Amazon Comprehend
Why this is correct
Comprehend provides NLP features like sentiment analysis, entity recognition, and key phrase extraction.
- ✗
Amazon Polly
Why it's wrong here
Polly converts text to speech, not NLP.
- ✓
Amazon Lex
Why this is correct
Lex uses natural language understanding to build conversational interfaces.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This AIF-C01 practice question is part of Courseiva's free Amazon Web Services 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 AIF-C01 exam.