You are developing a solution that uses the Text Analytics service.
You need to identify the main talking points in a collection of documents. Which type of natural language processing should you use?

A. entity recognition

B. key phrase extraction

C. sentiment analysis

D. language detection

B. key phrase extraction

Summary:
This question asks for the specific Natural Language Processing (NLP) technique designed to identify the primary subjects and concepts within a text. The goal is to distill a document down to its most important topics, providing a quick summary of its core content. This technique scans the text for the most relevant and frequently occurring nouns and noun phrases.

Correct Option:

B. Key phrase extraction
Key phrase extraction is precisely designed for this purpose. It analyzes a document and identifies the main points or "talking points" by extracting the most significant words and phrases. For example, from a document about a product launch, it might extract key phrases like "new features," "market strategy," "Q4 release," and "customer feedback," which directly represent the main topics discussed.

Incorrect Option:

A. Entity recognition
Entity recognition (Named Entity Recognition or NER) identifies and categorizes specific, named entities in text, such as people, organizations, locations, dates, and quantities. While it finds important elements, it does not identify general thematic talking points or main ideas. It would find "Microsoft" and "2023" but not the broader topic "corporate strategy for 2023."

C. Sentiment analysis
Sentiment analysis is used to determine the emotional tone or opinion expressed in text, classifying it as positive, negative, or neutral. It identifies how something is said (the sentiment) rather than what is being talked about (the main points).

D. Language detection
Language detection automatically identifies the natural language a document is written in, such as English, Spanish, or French. It does not analyze the content or themes of the document to determine its main talking points.

Reference:
What is key phrase extraction? - Azure AI Language

Select the answer that correctly completes the sentence.

You build a QnA Maker bot by using a frequently asked questions (FAQ) page.
You need to add professional greetings and other responses to make the bot more user friendly.
What should you do?

A. Increase the confidence threshold of responses

B. Enable active learning

C. Create multi-turn questions

D. Add chit-chat

You plan to develop a bot that will enable users to query a knowledge base by using natural language processing.
Which two services should you include in the solution? Each correct answer presents part of the solution.
NOTE: Each correct selection is worth one point.

A. Language Service

B. Azure Bot Service

C. Form Recognizer

D. Anomaly Detector

A. Language Service
D. Anomaly Detector

For each of the following statements, select Yes if the statement is true. Otherwise, select No.
NOTE: Each correct selection is worth one point.

Select the answer that correctly completes the sentence.

You are building a Language Understanding model for an e-commerce business.
You need to ensure that the model detects when utterances are outside the intended scope of the model.
What should you do?

A. Test the model by using new utterances

B. Add utterances to the None intent

C. Create a prebuilt task entity

D. Create a new model

B. Add utterances to the None intent

You plan to use Azure Cognitive Services to develop a voice controlled personal assistant app.
Match the Azure Cognitive Services to the appropriate tasks.
To answer, drag the appropriate service from the column on the left to its description on the right Each service may be used once, more than once, or not at all.
NOTE: Each correct selection is worth one point.

You need to develop a chatbot for a website. The chatbot must answer users’ questions based on the information in the following documents:

✑ A product troubleshooting guide in a Microsoft Word document
✑ A frequently asked questions (FAQ) list on a webpage

Which service should you use to process the documents?

A. Azure Bot Service

B. Language Understanding

C. Text Analytics

D. QnA Maker

Which two tools can you use to call the Azure OpenAI service? Each correct answer presents a complete solution.
NOTE: Each correct answer is worth one point.

A. Azure Command-Line Interface (CLI)

B. Azure REST API

C. Azure SDK for Python

D. Azure SDK for JavaScript

A. Azure Command-Line Interface (CLI)
B. Azure REST API

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