Microsoft Azure AI Fundamentals General 3

Question 1

Which Azure service would you use to extract key phrases and sentiment from customer reviews at scale?

Accepted Answer

Azure AI Language

Answer

Azure AI Language provides sentiment analysis and key phrase extraction capabilities to process and understand large volumes of text such as customer reviews.

Question 2

What is a 'confusion matrix' used for in machine learning?

Accepted Answer

Summarizing the performance of a classification model across all classes

Answer

A confusion matrix summarizes classification model performance by showing true positives, true negatives, false positives, and false negatives for each class.

Question 3

In Azure Machine Learning, what is the role of a 'compute cluster'?

Accepted Answer

Providing scalable compute resources for training and batch inference jobs

Answer

A compute cluster in Azure Machine Learning is a scalable set of nodes used to run training experiments, hyperparameter tuning, and batch scoring workloads.

Question 4

Which principle of responsible AI ensures that AI systems can be examined and their decisions understood?

Accepted Answer

Transparency

Answer

Transparency means AI systems and their decision-making processes should be understandable and explainable to developers, operators, and affected users.

Question 5

What type of machine learning involves an agent learning by receiving rewards or penalties for actions taken in an environment?

Accepted Answer

Reinforcement learning

Answer

Reinforcement learning trains an agent by rewarding desired behaviors and penalizing undesired ones as it interacts with an environment to maximize cumulative reward.

Microsoft Azure AI Fundamentals Practice Test

Microsoft Azure AI Fundamentals Practice Test

Microsoft Azure AI Fundamentals General 3