For a machine learning progress, how should you split data for training and evaluation?

Randomly split the data into rows for training and rows for evaluation.

Use features for training and labels for evaluation.

Randomly split the data into rows for training and rows for evaluation.

Use labels for training and features for evaluation.

Randomly split the data into columns for training and columns for evaluation.

You build a machine learning model by using the automated machine learning user interface (UI).You need to ensure that the model meets the Microsoft transparency principle for responsible AI.What should you do?

Set Primary metric to accuracy.

Set Max concurrent iterations to 0.

You are building an AI system.Which task should you include to ensure that the service meets the Microsoft transparency principle for responsible AI?

Provide documentation to help developers debug code.

Ensure that all visuals have an associated text that can be read by a screen reader.

Enable autoscaling to ensure that a service scales based on demand.

Provide documentation to help developers debug code.

Ensure that a training dataset is representative of the population.

You run a charity event that involves posting photos of people wearing sunglasses on Twitter.You need to ensure that you only retweet photos that meet the following requirements:Include one or more faces.Contain at least one person wearing sunglasses.What should you use to analyze the images?

the Detect operation in the Face service

the Verify operation in the Face service

the Detect operation in the Face service

the Describe Image operation in the Computer Vision service

the Analyze Image operation in the Computer Vision service

Which metric can you use to evaluate a classification model?

coefficient of determination (R2)

You have a dataset that contains information about taxi journeys that occurred during a given period. You need to train a model to predict the fare of a taxi journey.What should you use as a feature?

the trip distance of individual taxi journeys

the number of taxi journeys in the dataset

the trip distance of individual taxi journeys

the fare of individual taxi journeys

the trip ID of individual taxi journeys

When training a model, why should you randomly split the rows into separate subsets?

to test the model by using data that was not used to train the model

to train the model twice to attain better accuracy

to train multiple models simultaneously to attain better performance

to test the model by using data that was not used to train the model

You are evaluating whether to use a basic workspace or an enterprise workspace in Azure Machine Learning. What are two tasks that require an enterprise workspace? Each correct answer presents a complete solution. NOTE: Each correct selection is worth one point.

Use a graphical user interface (GUI) to run automated machine learning experiments.

Use a graphical user interface (GUI) to define and run machine learning experiments from Azure Machine Learning designer.

Use a graphical user interface (GUI) to run automated machine learning experiments.

Create a compute instance to use as a workstation.

Use a graphical user interface (GUI) to define and run machine learning experiments from Azure Machine Learning designer.

Create a dataset from a comma-separated value (CSV) file.

You need to develop a mobile app for employees to scan and store their expenses while travelling.Which type of computer vision should you use?

optical character recognition (OCR)

You need to determine the location of cars in an image so that you can estimate the distance between the cars. Which type of computer vision should you use?

optical character recognition (OCR)

You send an image to a Computer Vision API and receive back the annotated image shown in the exhibit. Which type of computer vision was used?

optical character recognition (OCR)

What are two tasks that can be performed by using the Computer Vision service? Each correct answer presents a complete solution. NOTE: Each correct selection is worth one point.

Train a custom image classification model.

Translate the text in an image between languages.

What is a use case for classification?

predicting how many minutes it will take someone to run a race based on past race times

predicting how many cups of coffee a person will drink based on how many hours the person slept the previous night.

analyzing the contents of images and grouping images that have similar colors

predicting whether someone uses a bicycle to travel to work based on the distance from home to work

predicting how many minutes it will take someone to run a race based on past race times

What are two tasks that can be performed by using computer vision? Each correct answer presents a complete solution. NOTE: Each correct selection is worth one point.

Detect the color scheme in an image

Translate text between languages.

In which two scenarios can you use the Form Recognizer service? Each correct answer presents a complete solution. NOTE: Each correct selection is worth one point.

Extract the invoice number from an invoice.

Identify the retailer from a receipt.

Extract the invoice number from an invoice.

Translate a form from French to English.

Find image of product in a catalog.

Identify the retailer from a receipt.

In which two scenarios can you use speech recognition? Each correct answer presents a complete solution. NOTE: Each correct selection is worth one point.

providing closed captions for recorded or live videos

creating a transcript of a telephone call or meeting

an in-car system that reads text messages aloud

providing closed captions for recorded or live videos

creating an automated public address system for a train station

creating a transcript of a telephone call or meeting

Which two scenarios are examples of a conversational AI workload? Each correct answer presents a complete solution. NOTE: Each correct selection is worth one point.

a chatbot that provides users with the ability to find answers on a website by themselves

telephone voice menus to reduce the load on human resources

a telephone answering service that has a pre-recorder message

a chatbot that provides users with the ability to find answers on a website by themselves

telephone voice menus to reduce the load on human resources

a service that creates frequently asked questions (FAQ) documents by crawling public websites

You need to provide content for a business chatbot that will help answer simple user queries.What are three ways to create question-and answer text by using QnA Maker? Each correct answer presents a complete solution. NOTE: Each correct selection is worth one point.

Generate the questions and answers from an existing webpage.

Manually enter the questions and answers.

Import chit-chat content from a predefined data source.

Generate the questions and answers from an existing webpage.

Use automated machine learning to train a model based on a file that contains the questions.

Manually enter the questions and answers.

Connect the bot to the Cortana channel and ask questions by using Cortana.

Import chit-chat content from a predefined data source.

Microsoft AI-900 Practice Test 1 - Free Online Exam Prep & Questions

A company employs a team of customer service agents to provide telephone and email support to customers.

The company develops a webchat bot to provide automated answers to common customer queries.

Which business benefit should the company expect as a result of creating the webchat bot solution?

increased sales

a reduced workload for the customer service agents

improved product reliability

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