In this blog you will learn Microsoft AI Classroom series Assessment Answers mixsaver always try to bring best blogs and coupon codes

Microsoft AI Classroom series

Assessment Answers

 

SET 1

 

Q1. What is the easiest method to define elements of your LUIS model?

 

  • ml.azure.ai
  • Cognitive service portal
  • LUIS portal
  • Writing code

 

Q2. Which module should you use to provide a simple metric to compare the performance of multiple training models?

 

  • Evaluate Model
  • Score Model
  • Compare Model
  • Linear regression

 

Q3. Deploying an Al service that monitors people of certain ethnicity for closer inspection in a retail store Is a violation of Microsoft responsible Al principle?

 

  • Accountability
  • Fairness
  • Transparency
  • Inclusiveness

 

Q4. The residual histogram for a highly accurate machine learning model will have most frequently occurring residual values close to

 

  • 1 at the center of residual axis
  • O at the center of residual axis
  • None

 

Q5. You use the Text Analytics service to perform sentiment analysis on a document, and a score of 0.99 Is returned. What does this score indicate about the document sentiment?

 

  • The document is neutral.
  • The document Is negative.
  • The document is positive.
  • None

 

Q6. If you consider the concept of ‘Describing an Image’ of Computer Vision, which of the following are correct:

 

  • Based on the image content, Computer Vision may return multiple phrases
  • Each returned phrase will be associated with a confidence score
  • The phrases will be arranged in ascending order of their confidence score
  • The phrases will be arranged in descending order of their confidence score

 

Q7. What is the maximum file size for the Read API?

 

  • 2OMB
  • 5OMB
  • 30MB
  • 2GB

 

Q8. The Read API returns a hierarchy of information including

 

  • Pages
  • Lines
  • Regions
  • Words

 

Q9. You wish to develop an application which can read street signs. Which azure service do you deploy?

 

  • Azure Custom Vision
  • Conversional Al
  • Azure Computer Vision
  • machine Learning

 

Q10. Which Azure services are used for LUIS?

 

  • Speech
  • Language Understanding
  • Cognitive service
  • Custom Al

 

Q11. The information that we need to use to access Computer Vision service-

 

  • IP address of host
  • Key
  • URL
  • Endpoint

 

Q12. Azure ML studio uses which type of datastores?

 

  • Blob
  • Queue
  • File
  • Table

 

Q13. We are designing an Al solution to monitor meetings and want to know when facial expressions indicate people being angry or scared. Which cognitive service should we use?

 

  • Face API
  • Speech-to-text
  • Text Analytics
  • QnA Maker

 

Q14. The OCR API in Azure Computer Vision service Is used to scan newspapers and magazines

 

  • TRUE
  • FALSE

 

Q15. The ability of a software agent to participate in a conversation is known as

 

  • Speech Recognition
  • Text Analysis
  • Natural Language processioning
  • Conversional Al

 

Q16. Which Azure service would you deploy to detect a sudden spike in network traffic?

 

  • Azure AutoML
  • Azure Conative services
  • Azure machine learning
  • Azure Anomaly detector

 

Q17. Computer vision is the best Azure resource for detecting, analyzing and working with Faces

 

  • FALSE
  • TRUE

 

Q18. Your organization has an existing frequently asked questions (FAQ) document. You need to create a QnA Maker knowledge base that includes the questions and answers from the FAQ with the least possible effort. What should you do?

 

  • Create an empty knowledge base, and then manually copy and paste the FAQ entries into it.
  • Import a pre-defined chit-chat data source.
  • Import the existing FAQ document into a new knowledge base.
  • None

 

Q19. You have used a wrong language code in Text Analytics. What sentiment analysis score should you expect?

 

  • 1
  • 0.5
  • 0
  • none

 

Q20. How do you access the QnAmaker portal?

 

  • qnamaker.ai
  • portal.azure.com
  • cognitive service
  • none

 

Q21. Which of the following tasks would be a good fit for the Speech-to-Text?

 

  • Translating a document written in English into German.
  • Creating an audio file from a famous quote
  • Real-time voice-chat transcription from a microphone
  • none

 

Q22. Translator text supports languages.

 

  • up to 10
  • up to 50
  • more than 60
  • up to 30

 

Q23. You are developing an application or tourists to use as a text-based or audio-based translator. Which Azure services can help?

 

  • Text Analytics
  • Azure Speech
  • Translator Text
  • Text Translate

 

Q24. How does the translation engine know when an utterance has finished?

 

  • User needs to speak the word ‘Stop’.
  • After a pause in the audio
  • User presses the spacebar
  • After 10 words have been spoken.

 

Q25. The Text-to-Speech Neural voices leverage Neural networks resulting in a more robotic-sounding voice.

 

  • FALSE
  • TRUE

 

Q26. You are planning to build a regression model.You observe that dataset has features with numerical values at different scales. How does it impact when we use dataset unchanged?

 

  • It makes no difference. No risk involved
  • Smaller values in data may lead to higher bias
  • Larger values in data may lead to higher bias
  • Algorithm works better when we use data unchanged

 

Q27. You wish to develop an application which can take verbal commands. What Azure service should you provision?

 

  • LUIS
  • Speech
  • Azure Text Analytics
  • none

 

Q28. You want to train a model that classifies images of dogs and cats based on a collection of your own digital photographs. Which Azure service should you use?

 

  • Azure Bot Service
  • Custom Vision
  • Computer Vision
  • Azure Machine Learning

 

Q29. You want to use the Text Analytics service to determine the key talking points in a text document. Which feature of the service should you use?

 

  • Key phrase extraction
  • Sentiment analysis
  • Entity detection
  • None

 

Q30. What type of compute resource do you need to deploy AKS in Azure Machine Learning?

 

  • Attachment Compute
  • Compute Node
  • Inference Cluster
  • Compute Custer

 

SET 2

 

Q1. You are developing an application that must take English input from a microphone and generate a real-time text-based transcription in Hindi. Which service should you use?

 

  • Translator Text
  • Speech
  • Text Analytics
  • QnA Maker

 

Q2. What Is the typical minimum number of Compute Cluster nodes recommended for training in a Production environment?

 

  • 0
  • 1
  • 2
  • 3

 

Q3. You want to use the Text Analytics service to determine the key talking points in a text document. Which feature of the service should you use?

 

  • Key phrase extraction
  • Sentiment analysis
  • Entity detection
  • none

 

Q4. Which service is used to suggest class and bounding boxes you add to training set after an initial dataset:

 

  • Auto-tagging
  • Smart tagging
  • tag smart
  • none

 

Q5. How does the translation engine know when an utterance has finished?

 

  • User needs to speak the word ‘Stop’.
  • After a pause in the audio
  • User presses the spacebar
  • After 10 words have been spoken.

 

Q6. The free tier edition of Read API allows for____ pages, versus ____for the paid version

 

  • 2-2,000
  • 20 -Unlimited
  • 20-30,000
  • 2-10,000

 

Q7. Which programming languages are supported in Azure machine learning Designer?

 

  • Python
  • R
  • Scala
  • C#

 

Q8. Image classification can be used for the following use cases

 

  • Disaster Investigation
  • Object Detection
  • Medical Diagnostics
  • Production identification

 

Q9. You are planning to build a regression model.You observe that dataset has features with numerical values at different scales. How does it Impact when we use dataset unchanged?

 

  • It makes no difference. No risk involved
  • Smaller values in data may lead to higher bias
  • Larger values in data may lead to higher bias
  • Algorithm works better when we use data unchanged

 

Q10. You have used a wrong language code in Text Analytics. What sentiment analysis score should you expect?

 

  • 1
  • 0.5
  • 0
  • None

 

Q11. When might you see NaN returned for a score in Language Detection?

 

  • When the score calculated by the service is outside the range of 0 to 1
  • When the language is ambiguous
  • When the predominant language in the text is mixedwith other languages
  • none

 

Q12. True or False: To generate thumbnails, Computer vision can only change the aspect ratio to fit the target thumbnail dimensions

 

  • TRUE
  • FALSE

 

Q13. You use the Text Analytics service to perform sentiment analysis on a document, and a score of 0.99 Is returned. What does this score indicate about the document sentiment?

 

  • The document Is neutral.
  • The document Is negative.
  • The document is positive.
  • None

 

Q14. You want to use the Speech service to build an application that reads Incoming email message subjects aloud. Which API should you use?

 

  • Speech-to-Text
  • Text-to-Speech
  • Translate
  • Text Analytics

 

Q15. Computer vision is the best Azure resource for detecting, analyzing and working with Faces

 

  • FALSE
  • TRUE

 

Q16. What Is the None intent in LUIS? 

 

  • There is no such intent
  • It is required to handle utterance that do not map to any of the you have entered
  • It is recommended but not required
  • it can be renamed as fallback

 

Q17. You wish to upload your custom images for an image classification machine learning service you are creating. What options are available to you?

 

  • Azure Cognitive service port
  • Azure Vision API
  • Custom Vision Portal
  • Custom Vision SDK

 

Q18. An automobile dealership wants to use historic car sales data to traina machine learning model. The model should predict the price of a pre-owned car based on characteristics like its age, engine size, and mileage. What kind of machine learning model does the dealership need to create?

 

  • Classification
  • Clustering
  • Regression
  • none

 

Q19. You wish to predict property prices based on a known set of features. This Is an example of

 

  • Supervised learning
  • Unsupervised learning
  • Clustering
  • Deep learning

 

Q20. You are building a machine learning model to determine a local cab price at a specific time of a day using historic data from a cab service database. This is an example of-

 

  • Classification
  • Regression
  • Clustering
  • Computer Vision

 

Q21. The ability of a software agent to participate in a conversation Is Known as

 

  • Speech Recognition
  • Text Analysis
  • Natural Language processioning
  • Conversional Al

 

Q22. A model is developed to take medical images as input and decide on whether tumor Is benign or malignant. This is an example of-

 

  • Linear Regression
  • Multiple Regression
  • Hierarchical Clustering
  • Classification

 

Q23. The Text-to-Speech Neural voices leverage Neural networks resulting Ina more robotic-sounding voice.

 

  • FALSE
  • TRUE

 

Q24. You wish to monitor your business’s revenue to be alerted of sudden drops In revenue. Which Azure service would you deploy?

 

  • Azure Form Analyzer
  • Azure Cognitive Service
  • Azure Auto ML+ Regression
  • Azure Anomaly detector

 

Q25. Microsoft’s responsible Al principles include…?

 

  • Accountability
  • Fairness
  • Transparency
  • Inclusiveness

 

Q26. You wish to develop an application which can take verbal commands. What Azure service should you provision?

 

  • LUIS
  • Speech
  • Azure Text Analytics
  • none

 

Q27. For a classification model, uploading images, labeling, training the model and evaluation can be achieved through-

 

  • Custom Vision portal
  • Custom Vision service programming language-SDKs
  • Al ML Service
  • none

 

Q28. . Consider you run a restaurant. You collect feedback by customers on food, staff, hospitality etc. Customers respond in different languages.you will make use of Text Analytics to detect languages. It reponds with which of the following-

 

  • Language Name
  • ISO 6391 language code
  • Number of words in the customer response
  • Whether the review Is postive or negative

 

Q29. The residual histogram for a highly accurate machine learning model will have most frequently occurring residual values close to.

 

  • 1 at the center of residual axis
  • O at the center of residual axis
  • None

 

Q30. Read API works best synchronously

 

  • FALSE
  • TRUE

 

 

Much More Question

 

1) You want to create a model to predict sales of ice cream based on historic data that includes daily ice cream sales totals and weather measurements. Which Azure service should you use?

 

Answer: Azure Machine Learning

 

   

 

2) You want to train a model that classifies images of dogs and cats based on a collection of your own digital photographs. Which Azure service should you use?

 

Answer: Custom Vision

 

 

 

3) You are designing an AI application that uses computer vision to detect cracks in car windshields, and warns drivers when a windshield should be repaired or replaced. When tested in good lighting conditions, the application successfully detects 99% of dangerously damaged glass. Which of the following statements should you include in the application’s user interface?

 

Answer: When used in good lighting conditions, this application can be used to identify potentially dangerous cracks and defects in windshields. If you suspect your windshield is damaged, even if the application does not detect any defects, you should have it inspected by a professional.

 

 

 

4) An automobile dealership wants to use historic car sales data to train a machine learning model. The model should predict the price of a pre-owned car based on its make, model, engine size, and mileage. What kind of machine learning model should the dealership use automated machine learning to create?

 

Answer: Regression

 

 

 

5) A bank wants to use historic loan repayment records to categorize loan applications as low-risk or high-risk based on characteristics like the loan amount, the income of the borrower, and the loan period. What kind of machine learning model should the dealership use automated machine learning to create?

 

Answer: Classification

 

 

 

6) You want to use automated machine learning to train a regression model with the best possible R2 score. How should you configure the automated machine learning experiment?

 

Answer: Set the Primary metric to R2 score

 

 

 

7) You want to use the Computer Vision service to analyze images. You also want to use the Text Analytics service to analyze text. You want developers to require only one key and endpoint to access all of your services. What kind of resource should you create in your Azure subscription?

 

Answer: Cognitive Services

 

 

 

8) You want to use the Computer Vision service to identify the location of individual items in an image. Which of the following features should you retrieve?

 

Answer: Objects

 

 

 

9) You want to use the Computer Vision service to analyze images of locations and identify well-known buildings? What should you do?

 

Answer: Retrieve the categories for the image, specifying the landmarks domain

 

 

 

10) You want to use the Text Analytics service to determine the key talking points in a text document. Which feature of the service should you use?

 

Answer: Key phrase extraction

 

 

 

11) You use the Text Analytics service to perform sentiment analysis on a document, and a score of 0.99 is returned. What does this score indicate about the document sentiment?

 

Answer: The document is positive.

 

 

 

12) When might you see NaN returned for a score in Language Detection?

 

Answer: When the language is ambiguous

 

 

 

13) Your organization has an existing frequently asked questions (FAQ) document. You need to create a QnA Maker knowledge base that includes the questions and answers from the FAQ with the least possible effort. What should you do?

 

Answer: Import the existing FAQ document into a new knowledge base.

 

 

 

14) You need to deliver a support bot for internal use in your organization. Some users want to be able to submit questions to the bot using Microsoft Teams, others want to use a web chat interface on an internal web site. What should you do?

 

Answer: Create a knowledge base. Then create a bot for the knowledge base and connect the Web Chat and Microsoft Teams channels for your bot

 

 

 

15) You are creating a training pipeline for a regression model, using a dataset that has multiple numeric columns in which the values are on different scales. You want to transform the numeric columns so that the values are all on a similar scale based relative to the minimum and maximum values in each column. Which module should you add to the pipeline?

 

Answer: Normalize Data

 

 

 

16) You use Azure Machine Learning designer to create a training pipeline and an inference pipeline for a regression model. Now you plan to deploy the inference pipeline as a real-time service. What kind of compute target should you create to host the service?

 

Answer: Inference Cluster

 

 

 

17) You are using Azure Machine Learning designer to create a training pipeline for a binary classification model. You have added a dataset containing features and labels, a Two-Class Decision Forest module, and a Train Model module. You plan to use Score Model and Evaluate Model modules to test the trained model with a subset of the dataset that was not used for training. Which additional kind of module should you add?

 

Answer: Split Data

 

 

 

18) You use an Azure Machine Learning designer pipeline to train and test a binary classification model. You review the model’s performance metrics in an Evaluate Model module, and note that it has an AUC score of 0.3. What can you conclude about the model?

 

Answer: The model performs worse than random guessing.

 

 

 

19) You use Azure Machine Learning designer to create a training pipeline for a classification model. What must you do before deploying the model as a service?

 

Answer: Create an inference pipeline from the training pipeline

 

 

 

20)You are using an Azure Machine Learning designer pipeline to train and test a K-Means clustering model. You want your model to assign items to one of three clusters. Which configuration property of the K-Means Clustering module should you set to accomplish this?

 

Answer: Set Number of Centroids to 3

 

 

 

21)You use Azure Machine Learning designer to create a training pipeline for a clustering model. Now you want to use the model in an inference pipeline. Which module should you use to infer cluster predictions from the model?

 

Answer: Assign Data to Clusters

 

 

 

22)You plan to use the Custom Vision service to train an image classification model. You want to create a resource that can only be used for model training, and not for prediction. Which kind of resource should you create in your Azure subscription?

 

Answer: Custom Vision

 

 

 

23)You train an image classification model that achieves less than satisfactory evaluation metrics. How might you improve it?

 

Answer: Add more images to the training set.

 

 

 

24)You have published an image classification model. What information must you provide to developers who want to use it?

 

Answer: The project ID, the model name, and the key and endpoint for the prediction resource

 

 

 

25)Which of the following results does an object detection model typically return for an image?

 

Answer: A class label, probability, and bounding box for each object in the image

 

 

 

26)You plan to use a set of images to train an object detection model, and then publish the model as a predictive service. You want to use a single Azure resource with the same key and endpoint for training and prediction. What kind of Azure resource should you create?

 

Answer: Cognitive Services

 

 

 

27)You plan to use Face to detect human faces in an image. How does the service indicate the location of the faces it detects?

 

Answer: A set of coordinates for each face, defining a rectangular bounding box around the face

 

 

 

28)What is one aspect that may impair facial detection?

 

Answer: Extreme angles

 

 

 

29) You want to use Face to identify named individuals. What must you do?

 

Answer: Use Face to create a group containing multiple images of each named individual, and train a model based on the group

 

 

 

30)You want to extract text from images and then use the Text Analytics service to analyze the text. You want developers to require only one key and endpoint to access all of your services. What kind of resource should you create in your Azure subscription?

 

Answer: Cognitive Services

 

 

 

31) You plan to use the Computer Vision service to read text in a large PDF document. Which API should you use?

 

Answer: The Read API

 

 

 

32)You plan to use the Form Recognizer pre-built receipt model. Which kind of Azure resource should you create?

 

Answer: Form Recognizer

 

 

 

33)You are using the Form Recognizer service to analyze receipts that you have scanned into JPG format images. What is the maximum file size of JPG file you can submit to the pre-built receipt model?

 

Answer: 20 MB

 

 

 

34) You plan to build an application that uses the Speech service to transcribe audio recordings of phone calls into text, and then submits the transcribed text to the Text Analytics service to extract key phrases. You want to manage access and billing for the application services in a single Azure resource. Which type of Azure resource should you create?

 

Answer: Cognitive Services

 

 

 

35) You want to use the Speech service to build an application that reads incoming email message subjects aloud. Which API should you use?

 

Answer: Text-to-Speech

 

 

 

36)You are developing an application that must take English input from a microphone and generate a real-time text-based transcription in Hindi. Which service should you use?

 

Answer: Speech

 

 

 

37)You need to use the Translator Text service to translate email messages from Spanish into both English and French? What is the most efficient way to accomplish this goal?

 

Answer: Make a single call to the service; specifying a “from” language of “es”, a “to” language of “en”, and another “to” language of “fr”.

 

 

 

38)You need to provision an Azure resource that will be used to author a new Language Understanding application. What kind of resource should you create?

 

Answer: Language Understanding

 

 

 

39)You are authoring a Language Understanding application to support an international clock. You want users to be able to ask for the current time in a specified city, for example “What is the time in London?”. What should you do?

 

Answer: Define a “city” entity and a “GetTime” intent with utterances that indicate the city intent.

 

 

 

40)You have published your Language Understanding application. What information does a client application developer need to get predictions from it?

 

Answer: The endpoint and key for the application’s prediction resource

 

 

 

41) Anomaly detector is stateful.

 

Answer: False

 

 

 

42) We are designing an AI solution to monitor meetings and want to know when facial expressions indicate people being angry or scared. Which cognitive service should we use?

 

Answer: Face API

 

 

 

43) You train an image classification model that achieves less than satisfactory evaluation metrics? How might you improve it?

 

Answer: Add more images to the training set

 

 

 

44) You open gallery section in your mobile phone and see that thumbnails are generated for images. This is a capability of-

 

Answer: Computer Vision

 

 

 

45) __ can be used for medical imaging diagnosis.

 

Answer: Image Classification

 

 

 

46) Having AI developers working within a framework of governance and organizational principles that ensure the solution meets ethical and legal standards, is an example of which Microsoft responsible AI principle?

 

Answer: Accountability

 

 

 

47) The technique to iteratively test a trained model with data it wasn’t trained with and compare the predicted value with the actual known value is known as __

 

Answer: Residuals

 

 

 

48) The free tier edition of Read API allows for _ pages, versus __ for the paid version

 

Answer: 2,2000

 

 

 

49) Which feature of Azure provides the capability to deploy an AI solution without having to code?

 

Answer: Azure Machine learning designer

 

 

 

50) Which Azure service should you use to determine if a portrait of a person is in color or black-and-white?

 

Answer: Computer Vision

 

 

 

51) Which Azure service helps you develop a chat bot to take the load off your call center staff?

 

Answer: QnA Maker with Bot Service

 

 

 

52) Which Azure service is best for detecting popular brand logos?

 

Answer: Computer Vision

 

 

 

53) If you create a Cognitive Services resource, client applications need different keys and endpoint for different service they use.

 

Answer: True

 

 

 

54) OCR API works best asynchronously.

 

Answer: True

 

 

 

55) A model is developed to take medical images as input and decide on whether tumor is benign or malignant. This is an example of-

 

Answer: Classification

 

 

 

56) You wish to develop an application for tourists which they can use as a text or audio-based translator. Azure services that can help are-

 

Answer: Azure Speech

 

 

 

57) Which type of datastores are created by Azure machine learning studio?

 

Answer: Azure Blog Storage

 

 

 

58) Read API returns a hierarchy of information including ____

 

Answer: Pages

 

 

 

59) Classification machine learning models use a set of inputs known as-

 

Answer: Features

 

 

 

60) How does the translation engine know when an utterance has finished?

 

Answer: After a pause in the audio

 

 

 

61) You are developing an application for tourists to use as a text-based or audio-based translator. Which Azure services can help?

 

Answer: Azure speech

 

 

 

62) You wish to upload your custom images for an image classification machine learning service you are creating. What options are available to you?

 

Answer: Custom Vision Portal

 

 

 

63) Which Azure service supports both real-time and batch-based processing?

 

Answer: Speech to text

 

 

 

64) Which of the following tasks would be a good fit for the Speech-to-Text?

 

Answer: Real time voice-char transcription from a microphone

 

 

 

65) Which Azure services are used for LUIS?

 

Answer: Language Understanding

 

 

 

66) Azure Custom Vision portal is accessed through ___

 

Answer: https://customvision.ai

 

 

 

67) An automobile dealership wants to use historic car sales data to train a machine learning model. The model should predict the price of a pre-owned car based on characteristics like its age, engine size, and mileage. What kind of machine learning model does the dealership need to create?

 

Answer: Regression

 

 

 

68) You are configuring a LUIS service. Identify the entity(s) in the following voice command: “Computer, switch on the lights in the living room”

 

Answer: Living Room

 

 

 

69) Which module should you use to provide a simple metric to compare the performance of multiple training models?

 

Answer: Evaluate Model

 

 

 

70) Which key steps form part of the Authoring phase of LUIS?

 

Answer: Creating Entities

 

 

 

71) Which service is used to suggest class and bounding boxes you add to training set after an initial dataset:

 

Answer: tag smart

 

 

 

72) Classification is an example of __ machine learning.

 

Answer: Supervised

 

 

 

73) You are capturing images in which texts are dominant. You are using an API which is now returning false positives. Which API are you currently using?

 

Answer: OCR API

 

 

 

74) Your organization has an existing frequently asked questions (FAQ) document. You need to create a QnA Maker knowledge base that includes the questions and answers from the FAQ with the least possible effort. What should you do?

 

Answer: Import the existing FAQ document into a new knowledge base.

 

 

 

75) You wish to develop an application which can read street signs. Which azure service do you deploy?

 

Answer: Azure Computer Vision

 

 

 

76) Paid subscription version of the Form Recognizer supports up to _ pages and a maximum of ___ lines per page.

 

Answer: 400 Pages

 

 

 

77) Microsoft’s responsible AI principles include…?

 

Answer: Fairness

 

 

 

78) Image classification can be used for the following use cases

 

Answer: Object Detection

 

 

 

79) What is the typical minimum number of Compute Cluster nodes recommended for training in a Production environment?

 

Answer: 2

 

 

 

80) You need to ensure your AI-based application users are aware of the limitations of your app. This is an example of which Microsoft responsible AI principle?

 

Answer: Transparency

 

 

 

81) If you consider the concept of ‘Describing an Image’ of Computer Vision, which of the following are correct:

 

Answer: descending order

 

 

 

82)You are developing an application for the visually impaired. Your application will read text books out loud. Which Azure services can you use?

 

Answer: Speech

 

 

 

83) What is the easiest method to define elements of your LUIS model?

 

Answer: LUIS Portal

 

 

 

84) Read API works best synchronously.

 

Answer: False

 

 

 

85)OCR API works best synchronously.

 

Answer: True

 

 

 

86) Computer vision is the best Azure resource for detecting, analyzing and working with Faces.

 

Answer: False

 

 

 

87) The ability to automatically detect sudden spikes in a time-series based data is known as….?

 

Answer: Anomaly Detection

 

 

 

88)The OCR API returns a hierarchy of information including ____

 

Answer: Pages

 

 

 

89)You wish to separate your training and prediction resources for classifying your own images. Which service works best?

 

Answer: Custom Vision

 

 

 

90)What is the best way to access Azure Machine Learning studio?

 

Answer: ml.azure.com

 

 

 

91) Deploying an Al service that monitors people of certain ethnicity for closer inspection in a retail store Is a violation of Microsoft responsible Al principle?

 

Answer: Inclusiveness

 

 

 

92) The residual histogram for a highly accurate machine learning model will have most frequently occurring residual values close to

 

Answer: O at the center of residual axis

 

 

 

93) If you consider the concept of ‘Describing an Image’ of Computer Vision, which of the following are correct:

 

Answer: The phrases will be arranged in descending order of their confidence score

 

 

 

94) The information that we need to use to access Computer Vision service-

 

Answer: Key or Endpoint

 

 

 

95) We are designing an Al solution to monitor meetings and want to know when facial expressions indicate people being angry or scared. Which cognitive service should we use?

 

Answer: Face API

 

 

 

96) The OCR API in Azure Computer Vision service Is used to scan newspapers and magazines.

 

Answer: TRUE

 

 

 

97) The ability of a software agent to participate in a conversation is known as

 

Answer: Conversional Al

 

 

 

98) Which Azure service would you deploy to detect a sudden spike in network traffic?

 

Answer: Azure Anomaly detector

 

 

 

99) You have used the wrong language code in Text Analytics. What sentiment analysis score should you expect?

 

Answer: 0

 

 

 

100) How do you access the QnAmaker portal?

 

Answer: qnamaker.ai

 

 

 

101) Translator text supports languages.

 

Answer: more than 60

 

 

 

102) You are developing an application or tourists to use as a text-based or audio-based translator. Which Azure services can help?

 

Answer: Translator Text

 

 

 

103) The Text-to-Speech Neural voices leverage Neural networks resulting in a more robotic-sounding voice.

 

Answer: True

 

 

 

104) You are planning to build a regression model.You observe that the dataset has features with numerical values at different scales. How does it impact when we use the dataset unchanged?

 

Answer: Larger values in data may lead to higher bias

 

 

 

105) You wish to develop an application which can take verbal commands. What Azure service should you provision?

 

Answer: Speech

 

 

 

106) What type of compute resource do you need to deploy AKS in Azure Machine Learning?

 

Answer: Compute Node

 

 

 

107) Which programming languages are supported in Azure machine learning Designer?

 

Answer: Python

 

 

 

108) True or False: To generate thumbnails, Computer vision can only change the aspect ratio to fit the target thumbnail dimensions.

 

Answer: FALSE

 

 

 

109) What Is the None intent in LUIS?

 

Answer: It is required to handle utterance that do not map to any of the you have entered

 

 

 

110) You wish to predict property prices based on a known set of features. This Is an example of

 

Answer: Supervised learning

 

 

 

111) You are building a machine learning model to determine a local cab price at a specific time of a day using historical data from a cab service database. This is an example of-

 

Answer: Regression

 

 

 

112) You wish to monitor your business’s revenue to be alerted of sudden drops In revenue. Which Azure service would you deploy?

 

Answer: Azure Anomaly detector

 

 

 

113) Microsoft’s responsible Al principles include…?

 

Answer: Fairness

 

 

 

114) For a classification model, uploading images, labeling, training the model and evaluation can be achieved through-

 

Answer: Custom Vision service programming language-SDKs

 

 

 

115) Consider you run a restaurant. You collect feedback by customers on food, staff, hospitality etc. Customers respond in different languages.you will make use of Text Analytics to detect languages. It responds with which of the following-

 

Answer: ISO 6391 language code

 

 

 

116) is often the foundation for any AI system by which it is trained to make predictions.

 

Answer: Machine Learning

 

 

 

117) The Root Mean Squared Error (RMSE) is based on the same units as the label.

 

Answer: True

 

 

 

118) You wish to translate a text in French into an audible from in English. Which Azure service can you use?

 

Answer: Translator Text

 

 

 

119) You have been asked to create an image recognition service. A requirement is to provide reporting on training costs for the model. Which service should you deploy?

 

Answer: Custom Vision

 

 

 

120) Azure resource Computer Vision also includes Cognitive Services to implement AI related applications.

 

Answer: True

 

 

 

121) Which type of bot template would we use for a bot that distills semi-structured data into distinct, helpful answers?

 

Answer: Q & A

 

 

 

122) You have used Custom Vision and have provided your app developers with the required Endpoint(s) and Key(s). Developers are concerned that they have multiple sets of Endpoints and Keys. This is a valid concern.

 

Answer: True

 

 

 

123) Can you use QnAmaker and the resulting bot to interact through email channel?

 

Answer: Yes

 

 

 

124) Image classification is used to describe an image and object classification is used to group similar objects.

 

Answer: True

 

 

 

125) You are creating a Company Expense claim application. You wish to train a machine learning model using your own expense claim forms and labeled data. This is an example of

 

Answer: Supervised Learning

 

 

 

126) You wish to develop a reservation system for restaurant, which of the following services would you need?

 

Answer: Azure QnA

 

 

 

127) Which of the following types of machine learning is an example of unsupervised machine learning?

 

Answer: Clustering

 

 

 

128) Azure ML studio uses which type of datastores?

 

Answer: Blob

 

 

 

129) Which of the following services returns a bounding box coordinates?

 

Answer: Object Detection

 

 

 

130) What is the maximum File size that Form Recognizer can use?

 

Answer: 20GB

 

 

 

131) The process of changing all feature values in a dataset to be on a common scale is known as ____

 

Answer: Data Normalization

 

 

 

132) Deploying an AI service that monitors people of certain ethnicity for closer inspection in a retail store is a violation of which Microsoft responsible AI principle?

 

Answer: Fairness

 

 

 

133) What is the maximum file size for the Read API?

 

Answer: 20MB

 

 

 

134) We are designing an AI solution to monitor meetings and convert spoken conversation to text. Which cognitive service should we use?

 

Answer: Speech-to-text

 

 

 

135) What are the key features of Azure Machine Learning service?

 

Answer: Automated Machine Learning

 

 

 

136) Which service has capability to detect printed and handwritten text in images

 

Answer: Computer Vision – OCR

 

 

 

137) What percentage of the class predictions made by the model were correct’ which evaluation metric is this?

 

Answer: Precision

 

 

 

138) The Read API returns a hierarchy of information including ______

 

Answer: Pages

 

 

 

139) You wish to design a home automation system that works through Voice input and provides voice replies to the users. Which Azure services are available to use?

 

Answer: Speech

 

 

 

140) You observe that your text is comprising of words from multiple languages. Text Analytics service outputs which language?

 

Answer: English by default

 

 

 

141) Computer Vision supports the following domain models:

 

Answer: Celebrities

 

 

 

142) Which image content types are detected by Azure Computer vision services?

 

Answer: Clip art or Line drawing

 

 

 

143) You are using Translator Text and have noticed some Brand names are also translated. Can this be fixed?

 

Answer: Yes, There is built in selective options

 

 

 

144) You are trying to use various data points to predict the price of a property. What are the data points referred to in machine learning?

 

Answer: Features

 

 

 

145) You have been asked to develop a “Passport photo” quality check service to ensure uploaded photos in which the applicant is wearing glasses, are rejected. Which Azure service should you use?

 

Answer: Face Service

 

 

 

146) You configure Azure machine learning workspace. Which additional resources are configured automatically?

 

Answer: Storage Account

 

 

 

147) Ensuring users are aware of limitations of AI-based applications they are using is an example of which Responsible AI principle?

 

Answer: Transparency

 

 

 

148) What are some of the key elements of AI?

 

Answer: Machine Learning

 

 

 

149) You work for an insurance company. You have been asked to develop an application that places clients into High, Medium, or Low risk categories. Which machine learning model should you use?

 

Answer: Clustering

 

 

 

150) You wish to use Azure Machine Learning in Dev & Test environment. ACI deployment offers the right solution.

 

Answer: True

 

 

 

151) If we want to build an app that identifies celebrities in images, which Cognitive Services API would we utilize?

 

Answer: Computer Vision

 

 

 

152) The ability to classify individual pixels in an image according to the object to which they belong is known as:

 

Answer: Semantic Segmentation