Microsoft

AI-900 Free Practice Questions — Page 4

Question 24

HOTSPOT - Select the answer that correctly completes the sentence.

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Correct Answer: classify email messages as work-related or personal
Explanation:
Natural language processing focuses on understanding and analyzing text, such as categorizing emails based on their content.

Question 25

HOTSPOT - Select the answer that correctly completes the sentence.

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Correct Answer: regression
Explanation:
The task predicts a numerical quantity (number of vehicles), which is a continuous value, so it is a regression problem.

Question 26

HOTSPOT - To complete the sentence, select the appropriate option in the answer area.

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Correct Answer: object detection
Explanation:
Returning a bounding box that localizes an object within an image corresponds to object detection, not classification, OCR, or facial detection.

Question 27

Your company is exploring the use of voice recognition technologies in its smart home devices. The company wants to identify any barriers that might unintentionally leave out specific user groups. This is an example of which Microsoft guiding principle for responsible AI?

A. accountability
B. fairness
C. privacy and security
D. inclusiveness
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Correct Answer: D
Explanation:
The scenario focuses on identifying barriers that might unintentionally exclude specific user groups when using voice recognition. This aligns with the Microsoft Responsible AI principle of Inclusiveness, which emphasizes designing AI systems to be accessible and usable by people with diverse abilities, languages, accents, and circumstances.

Question 28

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

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Correct Answer: Yes Yes No
Explanation:
• Home smart devices that answer user questions use conversational AI. • Azure Bot Service is designed to build interactive web chatbots. • Generating captions for recorded videos is speech-to-text/NLP, not conversational AI.

Question 29

You need to build an image tagging solution for social media that tags images of your friends automatically. Which Azure Cognitive Services service should you use?

A. Face
B. Form Recognizer
C. Language
D. Computer Vision
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Correct Answer: A
Explanation:
The requirement is to automatically tag images of your friends, which implies detecting and recognizing specific people. Azure AI Face service is designed to detect, analyze, and recognize human faces and supports identifying known individuals after training. Computer Vision provides general object and scene tagging but does not identify specific people. Therefore, Face is the correct service.

Question 30

What is an example of the Microsoft responsible AI principle of transparency?

A. ensuring that opportunities are allocated equally to all applicants
B. helping users understand the decisions made by an AI system
C. ensuring that developers are accountable for the solutions they create
D. ensuring that the privileged data of users is stored in a secure manner
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Correct Answer: B
Explanation:
Transparency in Microsoft’s Responsible AI principles focuses on making AI systems understandable and explainable to users. Helping users understand how and why an AI system makes decisions is a direct example of transparency. The other options map to different principles: fairness (A), accountability (C), and security/privacy (D).

Question 31

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

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Correct Answer: Yes No Yes
Explanation:
Azure Bot Service is designed to build interactive web chatbots. Captioning pre-recorded videos is a speech-to-text/media processing task, not conversational AI. Smart devices that answer natural language questions use conversational AI.

Question 32

You have 100 instructional videos that do NOT contain any audio. Each instructional video has a script. You need to generate a narration audio file for each video based on the script. Which type of workload should you use?

A. language modeling
B. speech recognition
C. speech synthesis
D. translation
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Correct Answer: C
Explanation:
You have text scripts and need to generate spoken audio files from that text. Converting text into speech audio is a text-to-speech task, which is called speech synthesis. The other options do not apply: speech recognition converts speech to text, language modeling generates or analyzes text, and translation converts between languages.

Question 33

HOTSPOT - Select the answer that correctly completes the sentence.

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Correct Answer: text extraction
Explanation:
The system extracts vehicle registration numbers (alphanumeric text) from CCTV images or video. This task uses OCR, which is provided by the Computer Vision service as text extraction, not object detection or image classification.

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