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WorksheetsAI-102 day1
Total questions: 10
Worksheet time: 5mins
Which of the following best describes the predictions made by a machine learning model?
Absolutely correct values based on conditional logic.
Probabilistic values based on correlations found in training data.
Randomly selected values with an equal chance of selection.
A data scientist has used Azure Machine Learning to train a machine learning model. How can you use the model in your application?
Use Azure Machine Learning to publish the model as a web service.
Export the model as a cognitive service.
You must build your application using the Azure Machine Learning designer.
In which format are message exchanged between a client app and a cognitive services resource when using a REST API?
HTML
XML
JSON
You need to regenerate the primary subscription key for a Cognitive Services resource that an app uses. What should you do first to minimize service interruption for the app?
Switch the app to use the secondary key
Change the resource endpoint
Enable a firewall
You want to store the subscription keys for a Cognitive Services resource securely, so that authorized apps can retrieve them when needed. What kind of Azure resource should you provision.
Azure Storage
Azure Key Vault
Azure App Service
How should you collect telemetry for your Azure Cognitive Services resource for later analysis?
Create an alert.
Configure diagnostic settings.
Create a dashboard.
Which of the following parameters must you specify when deploying a Cognitive Services container image?
EULA
ResourceGroup
SubscriptionName
What is the effect of the smartCropping option when using Computer Vision to generate a thumbnail?
The aspect ratio of the original image is maintained.
The thumbnail is skewed to fit the specified proportions.
The region of interest is centered in the thumbnail.
You want Video Analyzer for Media to recognize colleagues in videos recorded from conference calls. What should you do?
Create a custom model containing a Person for each colleague, with example images of their faces.
Edit the conference call videos to include a caption of each person's name on their first appearance
Embed the Video Analyzer for Media widgets in a custom web site that employees access using their own user credentials.
Check your answers
You want Video Analyzer for Media to analyze a video. What must you do first?
Use the Computer Vision service to extract key frames from the video.
Upload the video to Video Analyzer for Media and index it.
Store the video file in an Azure blob store container.
