Free AI-900 中文 Questions for Microsoft Azure AI Fundamentals (AI-900中文版) AI-900 中文 Exam as PDF & Practice Test Engine

Explanation:

Microsoft's Responsible AI principles are the foundation for developing and deploying ethical and trustworthy AI systems. The six key principles are Fairness, Reliability and Safety, Privacy and Security, Inclusiveness, Transparency, and Accountability. Each principle guides specific practices for ensuring AI systems operate responsibly in real-world applications like automated insurance quoting systems.
* Transparency - This principle ensures that the AI's decisions can be understood and explained.
Recording the decision-making process and enabling staff to trace how a quote was generated aligns with transparency. It allows stakeholders to interpret the reasoning behind model outputs, ensuring that the AI behaves predictably and ethically.
* Privacy and Security - This principle focuses on protecting personal data and ensuring that sensitive information is handled responsibly. Limiting access to customer data only to authorized personnel maintains compliance with privacy laws (like GDPR) and safeguards against misuse. Microsoft emphasizes that AI systems should maintain strict control over data visibility and integrity.
* Inclusiveness - This principle ensures that AI systems are accessible to all users, including people with disabilities. By supporting screen readers and assistive technologies, the system ensures equal access to information and services for every customer. Inclusiveness prevents discrimination and promotes accessibility, both of which are central to Microsoft's Responsible AI strategy.
Thus, the correct mapping of principles is:
* Decision process # Transparency
* Personal information visibility # Privacy and Security
* Accessibility via screen readers # Inclusiveness.

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Explanation:

Box 3: Natural language processing
Natural language processing (NLP) is used for tasks such as sentiment analysis, topic detection, language detection, key phrase extraction, and document categorization.
Reference:
https://docs.microsoft.com/en-us/azure/architecture/data-guide/technology-choices/natural-language-processing

Explanation:
Text extraction.
According to the Microsoft Azure AI Fundamentals (AI-900) study guide and Microsoft Learn documentation for Azure AI Vision (formerly Computer Vision), text extraction-also known as Optical Character Recognition (OCR)-is the computer vision capability that detects and extracts printed or handwritten text from images and video frames.
In this scenario, a traffic monitoring system collects vehicle registration numbers (license plates) from CCTV footage. These registration numbers are alphanumeric text that must be read and converted into digital form for processing, storage, or analysis. The Azure AI Vision service's OCR (text extraction) feature performs this function. It analyzes each frame from the video feed, detects text regions (the license plates), and converts the visual text into machine-readable text data.
This process is widely used in Automatic Number Plate Recognition (ANPR) systems that support law enforcement, toll booths, and parking management solutions. The OCR model can handle variations in font, lighting, and angle to accurately extract license plate numbers.
The other options describe different vision capabilities:
* Image classification assigns an image to a general category (e.g., "car," "truck," or "bike"), not text extraction.
* Object detection identifies and locates objects in images using bounding boxes (e.g., detecting the car itself), but not the text written on the car.
* Spatial analysis tracks people or objects in a defined physical space (e.g., counting individuals entering a building), not reading text.
Therefore, for a traffic monitoring system that identifies vehicle registration numbers from CCTV footage, the most accurate Azure AI Vision capability is Text extraction (OCR).

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Explanation:

The correct answer is Azure AI Language, which includes the Question Answering capability (previously known as QnA Maker). According to the Microsoft Azure AI Fundamentals (AI-900) study guide and Microsoft Learn documentation, the Azure AI Language service can be used to create a knowledge base from frequently asked questions (FAQ) and other structured or semi-structured text sources.
This service allows developers to build intelligent applications that can understand and respond to user questions in natural language by referencing prebuilt or custom knowledge bases. The Question Answering feature extracts pairs of questions and answers from documents, websites, or manually entered data and uses them to construct a searchable knowledge base. This knowledge base can then be integrated with Azure Bot Service or other conversational platforms to create interactive, self-service chatbots.
Here's how it works:
* Developers upload FAQ documents, URLs, or structured content.
* Azure AI Language processes the content and identifies logical question-answer pairs.
* The model stores these pairs in a knowledge base that can be queried by user input.
* When users ask questions, the model finds the best matching answer using natural language understanding techniques.
In contrast:
* Azure AI Document Intelligence (Form Recognizer) is used to extract structured data from forms and documents, not to create FAQ knowledge bases.
* Azure AI Bot Service is for managing and deploying conversational bots but does not generate knowledge bases.
* Microsoft Bot Framework SDK provides tools for building conversational logic but still requires a knowledge source like Question Answering from Azure AI Language.
Therefore, the service that can create a knowledge base from FAQ content is Azure AI Language.

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Explanation:

This question is based on identifying Natural Language Processing (NLP) workloads, which is a fundamental topic in the Microsoft Azure AI Fundamentals (AI-900) certification. According to the official Microsoft Learn module "Describe features of natural language processing (NLP) workloads on Azure", NLP enables computers to understand, interpret, and generate human language - both written and spoken.
* A bot that responds to queries by internal users - YesThis is an example of a natural language processing workload because it involves understanding and generating human language. A chatbot interprets user input (queries written or spoken) using language understanding and text analytics, and then produces appropriate responses. On Azure, this can be implemented using Azure AI Language (LUIS) and the Azure Bot Service, both core NLP technologies.
* A mobile application that displays images relating to an entered search term - NoThis application involves searching for or displaying images, which falls under the computer vision workload, not NLP.
Computer vision focuses on analyzing and interpreting visual data like photos or videos, while NLP deals with language and text processing.
* A web form used to submit a request to reset a password - NoA password reset form involves structured input fields and user authentication, not natural language understanding or generation. It's part of standard web development and identity management, not an NLP-related process.
Therefore, based on Microsoft's AI-900 curriculum definitions:
# The only true NLP example is the bot responding to user queries, since it processes and understands natural language input to generate conversational output.

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