azure ai

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?

A. increased sales

B. a reduced workload for the customer service agents

C. improved product reliability

B. a reduced workload for the customer service agents

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

A. Use features for training and labels for evaluation.

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

C. Use labels for training and features for evaluation.

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

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

You are developing a model to predict events by using classification.

You have a confusion matrix for the model scored on test data as shown in the following exhibit.

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?

A. Set Validation type to Auto.

B. Enable Explain best model.

C. Set Primary metric to accuracy.

D. Set Max concurrent iterations to 0.

B. Enable Explain best model.

Match the types of AI workloads to the appropriate scenarios.

To answer, drag the appropriate workload type from the column on the left to its scenario on the right. Each workload type may be used once, more than once, or not at all.

You are designing an AI system that empowers everyone, including people who have hearing, visual, and other impairments.

This is an example of which Microsoft guiding principle for responsible AI?

A. fairness

B. inclusiveness

C. reliability and safety

D. accountability

B. inclusiveness

You are building an AI system.

Which task should you include to ensure that the service meets the Microsoft transparency principle for responsible AI?

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

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

C. Provide documentation to help developers debug code.

D. Ensure that a training dataset is representative of the population.

C. Provide documentation to help developers debug code.

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

A. knowledgeability

B. decisiveness

C. inclusiveness

D. fairness

E. opinionatedness

F. reliability and safety

C. inclusiveness

D. fairness

F. reliability and safety

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?

A. the Verify operation in the Face service

B. the Detect operation in the Face service

C. the Describe Image operation in the Computer Vision service

D. the Analyze Image operation in the Computer Vision service

B. the Detect operation in the Face service

When you design an AI system to assess whether loans should be approved, the factors used to make the decision should be explainable.

This is an example of which Microsoft guiding principle for responsible AI?

A. transparency

B. inclusiveness

C. fairness

D. privacy and security

A. transparency

You plan to deploy an Azure Machine Learning model as a service that will be used by client applications.

Which three processes should you perform in sequence before you deploy the model? To answer, move the appropriate processes from the list of processes to the answer area and arrange them in the correct order.

You are building an AI-based app.

You need to ensure that the app uses the principles for responsible AI.

Which two principles should you follow? Each correct answer presents part of the solution.

A. Implement an Agile software development methodology

B. Implement a process of AI model validation as part of the software review process

C. Establish a risk governance committee that includes members of the legal team, members of the risk management team, and a privacy officer

D. Prevent the disclosure of the use of AI-based algorithms for automated decision making

B. Implement a process of AI model validation as part of the software review process

C. Establish a risk governance committee that includes members of the legal team, members of the risk management team, and a privacy officer

You have the Predicted vs. True chart shown in the following exhibit.

Which type of model is the chart used to evaluate?

A. classification

B. regression

C. clustering

B. regression

Which type of machine learning should you use to predict the number of gift cards that will be sold next month?

A. classification

B. regression

C. clustering

B. regression

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?

A. the number of taxi journeys in the dataset

B. the trip distance of individual taxi journeys

C. the fare of individual taxi journeys

D. the trip ID of individual taxi journeys

B. the trip distance of individual taxi journeys

You need to predict the sea level in meters for the next 10 years.

Which type of machine learning should you use?

A. classification

B. regression

C. clustering

B. regression

Which service should you use to extract text, key/value pairs, and table data automatically from scanned documents?

A. Form Recognizer

B. Text Analytics

C. Language Understanding

D. Custom Vision

A. Form Recognizer

You use Azure Machine Learning designer to publish an inference pipeline.

Which two parameters should you use to access the web service? Each correct answer presents part of the solution.

A. the model name

B. the training endpoint

C. the authentication key

D. the REST endpoint

C. the authentication key

D. the REST endpoint

You plan to use the dataset to train a model that will predict the house price categories of houses.

What are Household Income and House Price Category? To answer, select the appropriate option in the answer area.

A medical research project uses a large anonymized dataset of brain scan images that are categorized into predefined brain haemorrhage types.

You need to use machine learning to support early detection of the different brain haemorrhage types in the images before the images are reviewed by a person.

This is an example of which type of machine learning?

A. clustering

B. regression

C. classification

C. classification

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

A. to train the model twice to attain better accuracy

B. to train multiple models simultaneously to attain better performance

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

C. 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?

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

B. Create a compute instance to use as a workstation.

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

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

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

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

You need to predict the income range of a given customer by using the following dataset.

Which two fields should you use as features? Each correct answer presents a complete solution.

A. Education Level

B. Last Name

C. Age

D. Income Range

E. First Name

A. Education Level

C. Age

You are building a tool that will process images from retail stores and identify the products of competitors.

The solution will use a custom model.

Which Azure Cognitive Services service should you use?

A. Custom Vision

B. Form Recognizer

C. Face

D. Computer Vision

A. Custom Vision

What are two metrics that you can use to evaluate a regression model? Each correct answer presents a complete solution.

A. coefficient of determination (R2)

B. F1 score

C. root mean squared error (RMSE)

D. area under curve (AUC)

E. balanced accuracy

A. coefficient of determination (R2)

C. root mean squared error (RMSE)

You need to use Azure Machine Learning designer to build a model that will predict automobile prices.

Which type of modules should you use to complete the model? To answer, drag the appropriate modules to the correct locations. Each module may be used once, more than once, or not at all. You may need to drag the split bar between panes or scroll to view content.

Which type of machine learning should you use to identify groups of people who have similar purchasing habits?

A. classification

B. regression

C. clustering

C. clustering

Which metric can you use to evaluate a classification model?

A. true positive rate

B. mean absolute error (MAE)

C. coefficient of determination (R2)

D. root mean squared error (RMSE)

A. true positive rate

Which two components can you drag onto a canvas in Azure Machine Learning designer? Each correct answer presents a complete solution.

A. dataset

B. compute

C. pipeline

D. module

A. dataset

D. module

You need to create a training dataset and validation dataset from an existing dataset.

Which module in the Azure Machine Learning designer should you use?

A. Select Columns in Dataset

B. Add Rows

C. Split Data

D. Join Data

C. Split Data

You have an Azure Machine Learning model that predicts product quality. The model has a training dataset that contains 50,000 records. A sample of the data is shown in the following table.

Which two actions are performed during the data ingestion and data preparation stage of an Azure Machine Learning process? Each correct answer presents part of the solution.

A. Calculate the accuracy of the model.

B. Score test data by using the model.

C. Combine multiple datasets.

D. Use the model for real-time predictions.

E. Remove records that have missing values.

C. Combine multiple datasets.

E. Remove records that have missing values.

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

Which two languages can you use to write custom code for Azure Machine Learning designer? Each correct answer presents a complete solution.

A. Python

B. R

C. C#

D. Scala

A. Python

B. R

Your company wants to build a recycling machine for bottles. The recycling machine must automatically identify bottles of the correct shape and reject all other items.

Which type of AI workload should the company use?

A. anomaly detection

B. conversational AI

C. computer vision

D. natural language processing

C. computer vision

In which two scenarios can you use the Form Recognizer service? Each correct answer presents a complete solution.

A. Extract the invoice number from an invoice.

B. Translate a form from French to English.

C. Find image of product in a catalog.

D. Identify the retailer from a receipt.

A. Extract the invoice number from an invoice.

D. Identify the retailer from a receipt.

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?

A. semantic segmentation

B. image classification

C. object detection

D. optical character recognition (OCR)

D. optical character recognition (OCR)

You are processing photos of runners in a race.

You need to read the numbers on the runners' shirts to identity the runners in the photos.

Which type of computer vision should you use?

A. facial recognition

B. optical character recognition (OCR)

C. image classification

D. object detection

B. optical character recognition (OCR)

You use drones to identify where weeds grow between rows of crops to send an instruction for the removal of the weeds.

This is an example of which type of computer vision?

A. object detection

B. optical character recognition (OCR)

C. scene segmentation

A. object detection

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?

A. optical character recognition (OCR)

B. object detection

C. image classification

D. face detection

B. object detection

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?

A. object detection

B. face detection

C. optical character recognition (OCR)

D. image classification

A. object detection

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.

A. Train a custom image classification model.

B. Detect faces in an image.

C. Recognize handwritten text.

D. Translate the text in an image between languages.

B. Detect faces in an image.

C. Recognize handwritten

What is a use case for classification?

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

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

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

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

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

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.

A. Predict stock prices.

B. Detect brands in an image.

C. Detect the color scheme in an image

D. Translate text between languages.

E. Extract key phrases.

B. Detect brands in an image.

C. Detect the color scheme in an image

You need to build an image tagging solution for social media that tags images of your friends automatically.

Which Azure Cognitive Services service should you use?

A. Face

B. Form Recognizer

C. Text Analytics

D. Computer Vision

A. Face

In which two scenarios can you use the Form Recognizer service? Each correct answer presents a complete solution.

A. Identify the retailer from a receipt

B. Translate from French to English

C. Extract the invoice number from an invoice

D. Find images of products in a catalog

A. Identify the retailer from a receipt

C. Extract the invoice number from an invoice

Match the facial recognition tasks to the appropriate questions.

Which Computer Vision feature can you use to generate automatic captions for digital photographs?

A. Recognize text.

B. Identify the areas of interest.

C. Detect objects.

D. Describe the images.

D. Describe the images.

Which service should you use to extract text, key/value pairs, and table data automatically from scanned documents?

A. Custom Vision

B. Face

C. Form Recognizer

D. Language

C. Form Recognizer

You are developing a solution that uses the Text Analytics service.

You need to identify the main talking points in a collection of documents.

Which type of natural language processing should you use?

A. entity recognition

B. key phrase extraction

C. sentiment analysis

D. language detection

B. key phrase extraction

In which two scenarios can you use speech recognition? Each correct answer presents a complete solution.

A. an in-car system that reads text messages aloud

B. providing closed captions for recorded or live videos

C. creating an automated public address system for a train station

D. creating a transcript of a telephone call or meeting

B. providing closed captions for recorded or live videos

D. creating a transcript of a telephone call or meeting

You need to build an app that will read recipe instructions aloud to support users who have reduced vision.

Which version service should you use?

A. Text Analytics

B. Translator

C. Speech

D. Language Understanding (LUIS)

C. Speech

Your website has a chatbot to assist customers.

You need to detect when a customer is upset based on what the customer types in the chatbot.

Which type of AI workload should you use?

A. anomaly detection

B. computer vision

C. regression

D. natural language processing

D. natural language processing

You plan to develop a bot that will enable users to query a knowledge base by using natural language processing.

Which two services should you include in the solution? Each correct answer presents part of the solution.

NOTE: Each correct selection is worth one point.

A. QnA Maker

B. Azure Bot Service

C. Form Recognizer

D. Anomaly Detector

A. QnA Maker

B. Azure Bot Service