Microsoft AI-900 Online Practice Questions and Exam Preparation

Microsoft AI-900 Online Questions & Answers

• Question 161:

  You need to predict the animal population of an area.

  Which Azure Machine Learning type should you use?

  A. regression
  B. clustering
  C. classification
  A. regression

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  Explanation

  Regression is a supervised machine learning technique used to predict numeric values.

  References:

  https://docs.microsoft.com/en-us/learn/modules/create-regression-model-azure-machine-learning-designer/1-introduction

• Question 162:

  HOTSPOT

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

  

  

• Question 163:

  You have an app that identifies the coordinates of a product in an image of a supermarket shelf.

  Which service does the app use?

  A. Custom Vision classification
  B. Custom Vision object detection
  C. Computer Vision Read
  D. Computer Vision optical character recognition (OCR)
  B. Custom Vision object detection

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  Explanation

  Object detection is similar to tagging, but the API returns the bounding box coordinates (in pixels) for each object found in the image.

  References:

  https://learn.microsoft.com/en-us/azure/cognitive-services/computer-vision/concept-object-detection

• Question 164:

  HOTSPOT

  You have a database that contains a list of employees and their photos.

  You are tagging new photos of the employees.

  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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  References:

  https://docs.microsoft.com/en-us/azure/cognitive-services/face/overviewhttps://docs.microsoft.com/en-us/azure/cognitive-services/face/concepts/face-detection

• Question 165:

  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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  References:

  https://docs.microsoft.com/en-us/azure/architecture/reference-architectures/ai/conversational-bothttps://docs.microsoft.com/en-us/azure/bot-service/bot-builder-webchat-overview?view=azure-bot-service-4.0

• Question 166:

  Which machine learning technique can be used for anomaly detection?

  A. A machine learning technique that classifies objects based on user supplied images.
  B. A machine learning technique that understands written and spoken language.
  C. A machine learning technique that classifies images based on their contents.
  D. A machine learning technique that analyzes data over time and identifies unusual changes.
  D. A machine learning technique that analyzes data over time and identifies unusual changes.

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  Explanation

  Anomaly Detector, an AI service that helps you foresee problems before they occur.

  Easily embed time-series anomaly detection capabilities into your apps to help users identify problems quickly. Anomaly Detector ingests time-series data of all types and selects the best anomaly detection algorithm for your data to ensure high accuracy. Detect spikes, dips, deviations from cyclic patterns, and trend changes through both univariate and multivariate APIs. Customize the service to detect any level of anomaly. Deploy the anomaly detection service where you need it - in the cloud or at the intelligent edge.

  References:

  https://azure.microsoft.com/en-us/products/cognitive-services/anomaly-detector

• Question 167:

  HOTSPOT

  Select the answer that correctly completes the sentence.

  

  

• Question 168:

  You need to reduce the load on telephone operators by implementing a chatbot to answer simple questions with predefined answers.

  Which two AI services should you use to achieve the goal? Each correct answers presents part of the solution.

  NOTE: Each correct selection is worth one point.

  A. Azure Machine Learning
  B. Azure Bot Service
  C. Language Service
  D. Translator
  A. Azure Machine Learning
  B. Azure Bot Service

• Question 169:

  In a machine learning model, the data that is used as inputs are called ________.

  Select the answer that correctly completes the sentence.

  A. dataset
  B. labels
  C. variables
  C. variables

• Question 170:

  What are three Microsoft guiding principles for responsible AI? Each correct answer presents a complete solution.

  NOTE: Each correct selection is worth one point.

  A. knowledgeability
  B. decisiveness
  C. inclusiveness
  D. fairness
  E. opinionatedness
  F. reliability and safety
  C. inclusiveness
  D. fairness
  F. reliability and safety

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  Explanation

  References:

  https://docs.microsoft.com/en-us/learn/modules/responsible-ai-principles/4-guiding-principles