Microsoft Microsoft Certifications AI-100 Questions & Answers

• Question 121:

  Your company manages a sports team.

  The company sets up a video booth to record messages for the team.

  Before replaying the messages on a video screen, you need to generate captions for the messages and check the sentiment of the video to ensure that only positive messages are played.

  Which Azure Cognitive Services service should you use?

  A. Language Understanding (LUIS)

  B. Speaker Recognition

  C. Custom Vision

  D. Video Indexer

  Correct Answer: D

  Video Indexer includes Audio transcription: Converts speech to text in 12 languages and allows extensions. Supported languages include English, Spanish, French, German, Italian, Mandarin Chinese, Japanese, Arabic, Russian, Portuguese, Hindi, and Korean.

  When indexing by one channel, partial result for those models will be available, such as sentiment analysis: Identifies positive, negative, and neutral sentiments from speech and visual text.

  Reference: https://docs.microsoft.com/en-us/azure/media-services/video-indexer/video-indexer-overview

• Question 122:

  Your company plans to monitor twitter hashtags, and then to build a graph of connected people and places that contains the associated sentiment.

  The monitored hashtags use several languages, but the graph will be displayed in English.

  You need to recommend the required Azure Cognitive Services endpoints for the planned graph.

  Which Cognitive Services endpoints should you recommend?

  A. Language Detection, Content Moderator, and Key Phrase Extraction

  B. Translator Text, Content Moderator, and Key Phrase Extraction

  C. Language Detection, Sentiment Analysis, and Key Phase Extraction

  D. Translator Text, Sentiment Analysis, and Named Entity Recognition

  Correct Answer: C

  Sentiment analysis, which is also called opinion mining, uses social media analytics tools to determine attitudes toward a product or idea. Translator Text: Translate text in real time across more than 60 languages, powered by the latest innovations in machine translation.

  The Key Phrase Extraction skill evaluates unstructured text, and for each record, returns a list of key phrases. This skill uses the machine learning models provided by Text Analytics in Cognitive Services. This capability is useful if you need to

  quickly identify the main talking points in the record. For example, given input text "The food was delicious and there were wonderful staff", the service returns "food" and "wonderful staff".

  Reference:

  https://docs.microsoft.com/en-us/azure/cognitive-services/text-analytics/how-tos/text-analytics-how-to-entity-linking

  https://docs.microsoft.com/en-us/azure/search/cognitive-search-skill-keyphrases

• Question 123:

  You are developing a mobile application that will perform optical character recognition (OCR) from photos.

  The application will annotate the photos by using metadata, store the photos in Azure Blob storage, and then score the photos by using an Azure Machine Learning model.

  What should you use to process the data?

  A. Azure Event Hubs

  B. Azure Functions

  C. Azure Stream Analytics

  D. Azure Logic Apps

  Correct Answer: D

• Question 124:

  You are designing an AI solution that will analyze millions of pictures by using Azure HDInsight Hadoop cluster.

  You need to recommend a solution for storing the pictures. The solution must minimize costs.

  Which storage solution should you recommend?

  A. Azure Table storage

  B. Azure File Storage

  C. Azure Data Lake Storage Gen2

  D. Azure Databricks File System

  Correct Answer: C

  Azure Data Lake Store is optimized for storing large amounts of data for reporting and analytical and is geared towards storing data in its native format, making it a great store for non-relational data.

  Reference: https://stackify.com/store-data-azure-understand-azure-data-storage-options/

• Question 125:

  You are designing a real-time speech-to-text AI feature for an Android mobile app. The feature will stream data to the Speech service.

  You need to recommend which audio format to use to serialize the audio. The solution must minimize the amount of data transferred to the cloud.

  What should you recommend?

  A. MP3

  B. WAV/PCM

  C. MP4a

  Correct Answer: B

  Currently, only the following configuration is supported:

  Audio samples in PCM format, one channel, 16 bits per sample, 8000 or 16000 samples per second (16000 or 32000 bytes per second), two block align (16 bit including padding for a sample).

  Reference:

  https://docs.microsoft.com/en-us/azure/cognitive-services/speech-service/how-to-use-audio-input-streams

• Question 126:

  Your company creates a popular mobile game.

  The company tracks usage patterns of the game.

  You need to provide special offers to users when there is a significant change in the usage patterns.

  Which Azure Cognitive Services service should you use?

  A. Form Recognizer

  B. Bing Autosuggest

  C. Text Analytics

  D. Anomaly Detector

  Correct Answer: D

  Reference: https://azure.microsoft.com/en-gb/services/cognitive-services/anomaly-detector/#features

• Question 127:

  You have an SAP production landscape.

  You plan to use Azure Machine Learning to develop a fraud detection API. The API will identify potentially fraudulent transactions in the SAP production landscape in near real time.

  You need to recommend a workflow for the API.

  What should you recommend?

  A. an Azure Data Factory pipeline that uses an SAP table connector and a Machine Learning Execute Pipeline activity

  B. a Microsoft Excel workbook that imports SAP transactions and uses the Excel add-in for web services to score the transactions

  C. an Azure logic app triggered by an SAP message that calls the API and sends an email based on the results

  D. a scheduled Jupyter Notebook in Azure Databricks that connects to SAP HANA

  Correct Answer: A

• Question 128:

  You are developing an AI application for your company. The application will use Microsoft Azure Stream Analytics.

  You save the outputs from the Stream Analytics workflows to the cloud.

  Which of the following actions should you take?

  A. Make use of a Hive table in Azure HDInsight

  B. Make use of Azure Cosmos DB

  C. Make use of Azure File storage

  D. Make use of Azure Table storage

  Correct Answer: B

  While options like Azure HDInsight with a Hive table, Azure File storage, and Azure Table storage have their own use cases, they are not specifically designed for efficiently storing and querying real-time streaming data from Azure Stream Analytics. Azure Cosmos DB is the more appropriate choice for this scenario.

• Question 129:

  Your company is about to deploy an Azure Machine Learning experiment. The company is concerned that the experiment might not be adhering to GDPR regulations.

  You have been instructed to do a review of the experiment's adherence to GDPR regulations. You must perform the review as quickly as possible.

  Which of the following actions should you take?

  A. Make use of Azure Policy

  B. Make use of Azure Security Center

  C. Make use of Azure Log Analytics

  D. Make use of Compliance Manager

  Correct Answer: D

  To quickly review the adherence of an Azure Machine Learning experiment to GDPR regulations, you can use Compliance Manager. Compliance Manager is a built-in Azure tool that helps organizations assess and track their compliance with various regulatory standards, including GDPR.

  By using Compliance Manager, you can assess the compliance of your Azure resources, including Azure Machine Learning, against GDPR requirements. It provides a centralized dashboard that allows you to view the compliance status, identify any potential gaps, and track the progress of remediation actions.

  Compliance Manager also provides predefined assessments and control mappings specific to GDPR, which can help streamline the review process and provide insights into the experiment's adherence to GDPR regulations.

• Question 130:

  You have deployed several Azure IoT Edge devices for an AI solution. The Azure IoT Edge devices generate measurement data from temperature sensors.

  You need a solution to process the sensor data. Your solution must be able to write configuration changes back to the devices.

  You make use of Azure Notification Hub.

  Does this action accomplish your objective?

  A. Yes, it does

  B. No, it does not

  Correct Answer: B

  Azure Notification Hub is a scalable and multi-platform push notification service that enables you to send push notifications to various mobile platforms, such as iOS, Android, and Windows. It provides features for targeting specific devices, sending personalized notifications, and tracking engagement metrics.