Question 454 of 1,020

Quick Answer

The correct combination is key phrase extraction and sentiment analysis. This is because the customer service team needs to identify common complaints from thousands of call transcripts, which requires pulling out recurring topics and main talking points—exactly what prebuilt key phrase extraction does—while also determining whether customer sentiment is positive, negative, or neutral, which is the job of sentiment analysis. On the AI-900 exam, this scenario tests your understanding of Azure AI Language’s prebuilt, no-code features; a common trap is confusing key phrase extraction with named entity recognition, but remember that key phrases capture general themes, not specific people or places. The search intent for prebuilt key phrase extraction and sentiment analysis for customer support transcripts is fully met here because both features work out-of-the-box without custom training. Memory tip: think “Phrases for problems, Sentiment for feelings.”

AI-900 Practice Question: Describe features of Natural Language Processing workloads on Azure

This AI-900 practice question tests your understanding of describe features of natural language processing workloads on azure. 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.

A customer service team wants to analyze thousands of call transcripts to identify common complaints and understand whether customer sentiment is positive, negative, or neutral. They plan to use prebuilt Azure AI Language features without any custom training. Which combination of features should they use?

Question 1mediummultiple choice
Read the full NAT/PAT explanation →

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

Key phrase extraction and sentiment analysis

Option A is correct because the customer service team needs to identify common complaints (which requires extracting key phrases from the call transcripts) and understand sentiment polarity (positive, negative, or neutral). Azure AI Language's prebuilt key phrase extraction returns the main talking points and recurring terms, while sentiment analysis assigns a sentiment score and labels per sentence or document. Both features are available out-of-the-box without any custom training, directly meeting the stated requirements.

Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.

Answer analysis

Option-by-option breakdown

For each option: why learners choose it and why it is or isn't the right answer here.

  • Key phrase extraction and sentiment analysis

    Why this is correct

    Key phrase extraction pulls out important talking points (complaints); sentiment analysis assigns a positive/negative/neutral score. Together they meet both needs.

    Related concept

    Read the scenario before looking for a memorised answer.

  • Entity recognition and text translation

    Why it's wrong here

    Entity recognition finds names/locations, not complaints; text translation changes language, which is not needed for understanding complaints or sentiment.

  • Language detection and summarization

    Why it's wrong here

    Language detection identifies the language of the text; summarization provides a short version but does not extract key phrases or sentiment.

  • PII detection and conversation analysis

    Why it's wrong here

    PII detection finds sensitive data like phone numbers; conversation analysis is for understanding dialogue structure, not extracting complaints or sentiment.

Common exam traps

Common exam trap: answer the scenario, not the keyword

The trap here is that candidates may confuse 'key phrase extraction' with 'entity recognition' or assume that 'conversation analysis' alone can extract complaints and sentiment, when in fact the correct combination requires two distinct prebuilt features that directly map to the two stated goals (identifying common complaints and understanding sentiment).

Trap categories for this question

  • Keyword trap

    Language detection identifies the language of the text; summarization provides a short version but does not extract key phrases or sentiment.

Detailed technical explanation

How to think about this question

Under the hood, Azure AI Language's key phrase extraction uses a statistical model based on TF-IDF and graph-based ranking (similar to TextRank) to identify terms that are most representative of the document's content. Sentiment analysis uses a deep learning model trained on large corpora to assign a sentiment score between 0 (negative) and 1 (positive) at the document and sentence level, with an additional neutral label when confidence is low. In a real-world scenario, a call transcript might contain mixed sentiment (e.g., a customer frustrated about a billing issue but satisfied with the agent's help), and the prebuilt models handle this by scoring each sentence independently, allowing the team to pinpoint specific complaint segments.

KKey Concepts to Remember

  • Read the scenario before looking for a memorised answer.
  • Find the constraint that changes the correct option.
  • Eliminate answers that are true in general but not in this case.

TExam Day Tips

  • Watch for words such as best, first, most likely and least administrative effort.
  • Review why wrong options are wrong, not only why the correct option is correct.

Key takeaway

Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.

Real-world example

How this comes up in practice

A cloud solutions architect for a retail company is evaluating services for a new workload. The correct answer here reflects best practice for the specific scenario described — not a general cloud recommendation. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Cloud exam questions reward reading the constraint carefully: the same technology can be right or wrong depending on the use case.

What to study next

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FAQ

Questions learners often ask

What does this AI-900 question test?

Describe features of Natural Language Processing workloads on Azure — This question tests Describe features of Natural Language Processing workloads on Azure — Read the scenario before looking for a memorised answer..

What is the correct answer to this question?

The correct answer is: Key phrase extraction and sentiment analysis — Option A is correct because the customer service team needs to identify common complaints (which requires extracting key phrases from the call transcripts) and understand sentiment polarity (positive, negative, or neutral). Azure AI Language's prebuilt key phrase extraction returns the main talking points and recurring terms, while sentiment analysis assigns a sentiment score and labels per sentence or document. Both features are available out-of-the-box without any custom training, directly meeting the stated requirements.

What should I do if I get this AI-900 question wrong?

Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.

What is the key concept behind this question?

Read the scenario before looking for a memorised answer.

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Same concept, more angles

4 more ways this is tested on AI-900

These questions test the same concept from different angles. Work through them to make sure you can recognise it however the exam phrases it.

Variation 1. A customer support team wants to analyze chat logs to automatically identify the most common reasons for customer complaints and track how customer sentiment changes throughout a conversation. They plan to use prebuilt Azure AI Language features without any custom training. Which combination of features should they use?

medium
  • A.Key phrase extraction and sentiment analysis
  • B.Entity recognition and language detection
  • C.Text summarization and question answering
  • D.Conversational language understanding and personal identification

Why A: Key phrase extraction identifies the most common reasons for complaints by pulling out important terms from the chat logs, while sentiment analysis tracks how customer sentiment changes throughout a conversation by assigning positive, negative, or neutral scores per utterance. Both are prebuilt Azure AI Language features that require no custom training, making them the correct combination for this scenario.

Variation 2. A customer support team wants to analyze chat transcripts to automatically extract the most frequently mentioned product issues and also determine whether each chat represents a positive, neutral, or negative customer experience. Which prebuilt Azure AI Language feature should they use?

medium
  • A.A. Text Analytics (prebuilt)
  • B.B. Custom Text Classification
  • C.C. Conversational Language Understanding
  • D.D. Question Answering

Why A: The Text Analytics (prebuilt) feature in Azure AI Language provides pre-built capabilities for key phrase extraction (to identify frequently mentioned product issues) and sentiment analysis (to classify chats as positive, neutral, or negative). This matches the customer support team's requirements exactly without needing custom training or complex configuration.

Variation 3. A customer support team wants to automatically analyze incoming emails to (1) determine the overall emotional tone (e.g., frustrated, satisfied) and (2) identify specific key phrases that indicate the reason for contact (e.g., 'return item', 'refund policy'). Which two Azure AI Language features should they use? (Choose two.)

medium
  • A.Sentiment analysis
  • B.Key phrase extraction
  • C.Entity recognition
  • D.Language detection

Why A: Sentiment analysis is the correct choice because it evaluates text to determine the overall emotional tone, such as frustration or satisfaction, by assigning a sentiment score (positive, negative, neutral, or mixed) at the document and sentence level. This directly addresses the requirement to analyze the emotional tone of incoming emails.

Variation 4. A customer service team wants to analyze chat transcripts to understand customer sentiment and identify the most frequently discussed topics. Which two Azure AI Language features should they combine to achieve this?

medium
  • A.Sentiment analysis and key phrase extraction
  • B.Language detection and entity extraction
  • C.Text summarization and question answering
  • D.Named entity recognition and translation

Why A: Sentiment analysis evaluates the emotional tone (positive, negative, neutral) of chat transcripts to understand customer sentiment, while key phrase extraction identifies the most frequently discussed topics by pulling out important terms and phrases. Combining these two features directly addresses the requirement to both gauge sentiment and surface recurring topics from the text.

Last reviewed: Jun 11, 2026

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