Exam Deck - AI-900

Question 1

Which type of artificial intelligence (AI) workload provides the ability to generate bounding boxes that identify the locations of different types of vehicles in an image?

Answer 1

Object detection

Question 2

Which artificial intelligence (AI) workload scenario is an example of natural language processing (NLP)?

Answer 2

Extracting key phrases from a business insights report

Question 3

You are exploring solutions to improve the document search and indexing service for employees. You need an artificial intelligence (AI) search solution that will include searching text in various types of documents, such as images. Which type of AI workload is this?

Answer 3

Data mining

Question 4

Which principle of responsible artificial intelligence (AI) raises awareness about the limitations of AI-based solutions?

Answer 4

Transparency

Question 5

Which principle of responsible artificial intelligence (AI) involves evaluating and mitigating the bias introduced by the features of a model?

Answer 5

Fairness

Question 6

Which principle of responsible artificial intelligence (AI) defines the framework of governance and organization principles that meet ethical and legal standards of AI solutions?

Answer 6

Accountability

Question 7

Which principle of responsible artificial intelligence (AI) plays the primary role when implementing an AI solution that meets qualifications for business loan approvals?

Answer 7

Fairness

Question 8

Which principle of responsible artificial intelligence (AI) is applied in the design of an AI system to ensure that users understand constraints and limitations of AI?

Answer 8

Transparency

Question 9

Which two principles of responsible artificial intelligence (AI) are most important when designing an AI system to manage healthcare data?

Answer 9

Accountability and privacy and security

Question 10

A company is currently developing driverless agriculture vehicles to help harvest crops. The vehicles will be deployed alongside people working in the crop fields, and as such, the company will need to carry out robust testing. Which principle of responsible artificial intelligence (AI) is most important in this case?

Answer 10

Reliability and safety

Question 11

Which type of machine learning algorithm assigns items to a set of predefined categories?

Answer 11

Classification

Question 12

Predicting rainfall for a specific geographical location is an example of which type of machine learning?

Answer 12

Regression

Question 13

A healthcare organization has a dataset consisting of bone fracture scans that are categorized by using predefined fracture types. The organization wants to use machine learning to detect the different types of bone fractures for new scans before the scans are sent to a medical practitioner. Which type of machine learning is this?

Answer 13

Classification

Question 14

You plan to use machine learning to predict the probability of humans developing diabetes based on their age and body fat percentage. What should the model include?

Answer 14

Two features and one label

Question 15

In a regression machine learning algorithm, what are the characteristics of features and labels in a training dataset?

Answer 15

Known feature and label values

Question 16

A company is using machine learning to predict various aspects of its e-scooter hire service dependent on weather. This includes predicting the number of hires, the average distance traveled, and the impact on e-scooter battery levels. For the machine learning model, which two attributes are the features?

Answer 16

Weather temperature and weekday or weekend

Question 17

What is the purpose of a validation dataset used for as part of the development of a machine learning model?

Answer 17

Evaluating the trained model

Question 18

What should you do after preparing a dataset and before training the machine learning model?

Answer 18

Split data into training and validation datasets

Question 19

You need to create an automated machine learning (automated ML) model. Which resource should you create first in Azure Machine Learning studio?

Answer 19

A dataset

Question 20

You need to use Azure Machine Learning to train a regression model. What should you create in Machine Learning studio?

Answer 20

A job

Question 21

You need to use the Azure Machine Learning designer to deploy a predictive service from a newly trained model. What should you do first in the Machine Learning designer?

Answer 21

Create an inference pipeline.

Question 22

Which machine learning algorithm module in the Azure Machine Learning designer is used to train a model?

Answer 22

Linear Regression

Question 23

Which computer vision solution provides the ability to identify a person’s age based on a photograph?

Answer 23

Facial detection

Question 24

Which computer vision service provides bounding coordinates as part of its output?

Answer 24

Object detection

Question 25

Which process allows you to use object detection?

Answer 25

Tracking livestock in a field

Question 26

What can be used for an attendance system that can scan handwritten signatures?

Answer 26

Optical character recognition (OCR)

Question 27

Which two specialized domain models are supported by using the Azure AI Vision service?

Answer 27

Celebrities and landmarks

Question 28

Which additional piece of information is included with each phrase returned by an image description task of the Azure AI Vision?

Answer 28

Confidence score

Question 29

Which two prebuilt models allow you to use the Azure AI Document Intelligence service to scan information from international passports and sales accounts?

Answer 29

ID document model and invoice model

Question 30

When using the Face Detect API of the Azure AI Face service, which feature helps identify whether a human face has glasses or headwear?

Answer 30

Face attributes

Question 31

When using the Azure AI Face service, what should you use to perform one-to-many or one-to-one face matching?

Answer 31

Face identification and face verification

Question 32

Which service can you use to train an image classification model?

Answer 32

Azure AI Custom Vision

Question 33

Which natural language processing (NLP) technique normalizes words before counting them?

Answer 33

Stemming

Question 34

Which natural language processing (NLP) technique assigns values to words such as plant and flower, so that they are considered closer to each other than a word such as airplane?

Answer 34

Vectorization

Question 35

What is the first step in the statistical analysis of terms in a text in the context of natural language processing (NLP)?

Answer 35

Removing stop words

Question 36

What is the confidence score returned by the Azure AI Language detection service of natural language processing (NLP) for an unknown language name?

Answer 36

NaN

Question 37

Which part of speech synthesis in natural language processing (NLP) involves breaking text into individual words such that each word can be assigned phonetic sounds?

Answer 37

Tokenization

Question 38

Which Azure AI Service for Language feature can be used to analyze online user reviews to identify whether users view a product positively or negatively?

Answer 38

Sentiment analysis

Question 39

Which two Azure AI Services features can be used to enable both text-to-text and speech-to-text between multiple languages?

Answer 39

The Speech service and the Translator service

Question 40

Which feature of the Azure AI Language service includes functionality that returns links to external websites to disambiguate terms identified in a text?

Answer 40

Entity recognition

Question 41

Which three features are elements of the Azure AI Speech service?

Answer 41

Language identification, speaker recognition, and voice assistants

Question 42

Which three sources can be used to generate questions and answers for a knowledge base?

Answer 42

A webpage, an existing FAQ document, and manually entered data

Question 43

Select the answer that correctly completes the sentence. [Answer choice] use plugins to provide end users with the ability to get help with common tasks from a generative AI model.

Answer 43

Copilots

Question 44

At which layer can you apply content filters to suppress prompts and responses for a responsible generative AI solution?

Answer 44

Safety system

Question 45

Select the answer that correctly completes the sentence. [Answer choice] can return responses, such as natural language, images, or code, based on natural language input.

Answer 45

Generative AI

Question 46

As per the NIST AI Risk Management Framework, what is the first stage to consider when developing a responsible generative AI solution?

Answer 46

Identify potential harms.

Question 47

Which three capabilities are examples of image generation features for a generative AI model?

Answer 47

Creating variations of an image, editing an image, and new image creation

Question 48

You plan to develop an image processing solution that will use DALL-E as a generative AI model. Which capability is NOT supported by the DALL-E model?

Answer 48

Image description

Question 49

Which generative AI model is used to generate images based on natural language prompts?

Answer 49

DALL-E

Question 50

Select the answer that correctly completes the sentence. [Answer choice] can search, classify, and compare sources of text for similarity.

Answer 50

Embeddings