Microsoft Azure

Microsoft Azure AI Fundamentals

AI-900
Popular

The AI-900 exam tests your foundational knowledge of AI concepts and Azure AI services.

147 questions 0 views Free
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Questions 81–90 of 147

Q81

What happens when an Azure virtual machine is stopped?

  • A Data is deleted permanently
  • B Billing continues for the VM
  • C All data is saved safely
  • D The VM is deleted automatically
Explanation Stopping a VM preserves data; billing ends only if deallocated, unlike other choices.
Q82

A company needs to analyze video content for sentiment. Which Azure service should they use?

  • A Azure Video Analyzer
  • B Azure Cognitive Search
  • C Azure Form Recognizer
  • D Azure Computer Vision
Explanation Azure Video Analyzer provides insights from video content, unlike the other options that focus on different tasks.
Q83

What happens when an AI model is overfitted?

  • A Improved accuracy on unseen data
  • B High accuracy on training data
  • C Reduces model complexity
  • D Generalizes well to new data
Explanation Overfitting results in high training accuracy but poor generalization to new data.
Q84

You are configuring Azure Bot Services for a retail website. What key feature should you enable to analyze user interactions?

  • A Language understanding (LUIS)
  • B Web chat channel
  • C Telemetry and analytics
  • D Bot framework emulator
Explanation Telemetry and analytics allow you to analyze user interactions effectively, unlike the other options which serve different functions.
Q85

Which Azure service is primarily used for data storage in unstructured formats?

  • A Azure Blob Storage
  • B Azure SQL Database
  • C Azure Cosmos DB
  • D Azure Data Lake
Explanation Azure Blob Storage is designed for unstructured data; the other options are for structured or specific types of data.
Q86

A company needs to use machine learning APIs without managing infrastructure. Which service should they use?

  • A Azure Machine Learning
  • B Azure Cognitive Services
  • C Azure Databricks
  • D Azure Functions
Explanation Azure Cognitive Services offers pre-built APIs for AI tasks, while the others require more infrastructure management.
Q87

What happens when an Azure Logic App encounters an error in a workflow action?

  • A The app automatically retries the action.
  • B The workflow stops and errors out.
  • C Notifications are sent, with no retry.
  • D It continues to the next action.
Explanation Azure Logic Apps can send error notifications and optionally configure retries, but they do not ignore the error gracefully.
Q88

Which Azure service is primarily used for building intelligent apps?

  • A Azure IoT Hub
  • B Azure Cognitive Services
  • C Azure DevOps
  • D Azure Functions
Explanation Azure Cognitive Services provides APIs for AI capabilities, while others serve different purposes.
Q89

A company needs to analyze streaming data in real-time. Which Azure service should they utilize?

  • A Azure SQL Database
  • B Azure Data Lake
  • C Azure Stream Analytics
  • D Azure Blob Storage
Explanation Azure Stream Analytics is tailored for real-time data processing, unlike the other options that focus on storage or batch analysis.
Q90

You are configuring an AI model to predict customer churn. What dataset element is crucial for training your model?

  • A Predicted churn rate
  • B Historical customer data
  • C Target audience demographics
  • D Current market trends
Explanation Historical customer data provides the necessary insights for the model's learning process, while others are not direct inputs.