Azure AI-900

Question 1

You want to create a model to group penguins together based on their similarities in proportions. This is an example of…

Accepted Answer

Clustering

Question 2

You plan to deploy an inference pipeline as a real-time service. What compute target should you create to host it?

Accepted Answer

Inference Cluster

Question 3

You review a model's performance and note that it has an AUC score of 0.3. What can you conclude about the model?

Accepted Answer

The model performs worse than random guessing.

Question 4

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

Accepted Answer

Objects

Question 5

Which configuration property of the K-Means Clustering module should you set to assign items to one of three clusters?

Accepted Answer

Set Number of Centroids to 3

Question 6

Which module should you use to infer cluster predictions from the model?

Accepted Answer

Assign Data to Clusters

Question 7

Some want to be able to submit questions to a support bot using Teams, others want to use web site. What should you do?

Accepted Answer

Create a knowledge base, create a bot & connect the Web & Teams channels

Question 8

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

Accepted Answer

When the language is ambiguous

Question 9

You have a FAQ doc. You need to create a QnA Maker knowledge base with the least possible effort. What should you do?

Accepted Answer

Import the existing FAQ document into a new knowledge base.

Question 10

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

Accepted Answer

The Read API

Question 11

You want to use Speech to transcribe phone calls, and use Text Analytics to extract key phrases. What should you create?

Accepted Answer

Cognitive Services

Question 12

You train & deploy an object detection model. You want one resource with the same key/endpoint for training/prediction.

Accepted Answer

Cognitive Services

Question 13

You want to use Speech to build an app that reads incoming email message subjects aloud. Which API should you use?

Accepted Answer

Text-to-Speech

Question 14

Using Form Recognizer on receipts in JPG format. What is max file size you can submit to the pre-built receipt model?

Accepted Answer

50 MB

Question 15

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

Accepted Answer

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

Question 16

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

Accepted Answer

Custom Vision

Question 17

What is one aspect that may impair facial detection?

Accepted Answer

Extreme angles

Question 18

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

Accepted Answer

Create a group containing images of each named individual & train model

Question 19

You use Azure ML designer to create a training pipeline for a classification model. What must you do before deploying?

Accepted Answer

Create an inference pipeline from the training pipeline

Question 20

You must take English input from a microphone and generate a real-time transcription in Hindi. Which should you use?

Accepted Answer

Speech

Question 21

You plan to use Score Model to test the trained model with a subset of the dataset not used for training. Which module?

Accepted Answer

Split Data

Question 22

You want to create a machine learning model to predict whether or not a person is diabetic. This is an example of…

Accepted Answer

Classification

Question 23

You want to extract text from images then use Text Analytics. You want only one key & endpoint. What should you use?

Accepted Answer

Cognitive Services

Question 24

You published your Language Understanding app. What info does a client app developer need to get predictions from it?

Accepted Answer

The endpoint and key for the application's prediction resource

Question 25

You want to transform the numeric columns so that the values are all on a similar scale. Which module should you add?

Accepted Answer

Normalize Data

Question 26

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

Accepted Answer

Key phrase extraction

Question 27

You want to analyze images of locations and identify well-known buildings? What should you do?

Accepted Answer

Retrieve the categories for the image, specifying the landmarks domain

Question 28

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

Accepted Answer

Add more images to the training set.

Question 29

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

Accepted Answer

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

Question 30

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

Accepted Answer

Form Recognizer or Cognitive Services resource

Question 31

You want users to be able to ask for the current time in a specified city, for example "What is the time in London?"

Accepted Answer

Define city entity & "GetTime" intent w/ utterances indicating city intent

Question 32

You want to create a machine learning model to predict the price of a car. This is an example of…

Accepted Answer

Regression

Question 33

You want to use Computer Vision & Text Analytics. You want only one key & endpoint. What should you use?

Accepted Answer

Cognitive Services

Question 34

You use Text Analytics to perform sentiment analysis and a score of 0.99 is returned. What does this indicate?

Accepted Answer

The document is positive.

Question 35

You need to provision a resource that will be used for a new Language Understanding application. What should you create?

Accepted Answer

Language Understanding

Question 36

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

Accepted Answer

Project ID, model name, and the key and endpoint for prediction resource

Question 37

You want to create a model to predict ice cream sales based on data that includes sales & weather. Which should you use?

Accepted Answer

Azure Machine Learning

Question 38

You use Translator Text to translate messages from Spanish into both English & French. What should you do?

Accepted Answer

Make 1 call to the service; "from" = "es", "to" = "en", another "to" = "fr"

Azure AI-900

Questions 38

Azure AI-900

Questions 38