Madhu Sri Sushmitha Chowdary
3 min readNov 10, 2020

Microsoft AI classroom series assignment solutions

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

Ans : 0 at the center of residual axis

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

Ans : LUIS Portal

Translator text supports languages.

Ans : More than 60

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

Ans : Translator text

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

Ans : After pause in video

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

Ans : True

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?

Ans : Larger values in data may lead to higher bias

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

Ans : Speech

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?

Ans : Custom Vision

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?

Ans : Key phrase extraction

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

Ans : Compute Node

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

Ans : Real-time voice-chat transcription from a microphone

How do you access the QnAmaker portal?

Ans : qnamaker.ai

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

Ans : 0.5

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

Ans : False

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

Ans : Conversional AI

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?

Ans : Face API

Which Azure services are used for LUIS?

Ans : Language Understanding

The information that we need to use to access Computer Vision service

Ans : Key

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

Ans : Azure Custom Vision

The Read API returns a hierarchy of information including

Ans : Pages

What is the maximum file size for the Read API?

Ans : 50 MB

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?

Ans : The document is positive.

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?

Ans : Inclusiveness

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

Ans : Evaluate Model

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

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

Azure ML studio uses which type of datastores?

Ans : Blob

Anomaly detector is stateful

Ans : False

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

Ans : When the language is ambiguous

The free thier edition of Read API allows for ___ pages versus ___ paid version
Ans : 2,2000

Which featur of Azure provides the capability to deploy an AI solution without having to code ?

Ans : Machine learning designer

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

Ans : Computer Vision

Which Azure service is best for detecting popular brand logos ?

Ans : Computer Vision

OCR API works best asynchronously

Ans : True

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