Microsoft Azure AI Fundamentals Microsoft Azure AI Fundamentals MCQ 3

Question 1

Which metric would be most appropriate for evaluating a binary classification model predicting rare fraud events?

Accepted Answer

Precision-Recall AUC

Answer

For imbalanced datasets like fraud detection, Precision-Recall AUC is more informative than accuracy, which can be misleadingly high when the positive class is rare.

Question 2

Azure Cognitive Services Language Understanding (LUIS) is primarily used for:

Accepted Answer

Extracting intents and entities from natural language input

Answer

LUIS analyzes natural language to identify the user's intent and extract relevant entities, enabling conversational AI applications.

Question 3

Which Azure service is specifically designed to build, train, and deploy machine learning models at scale?

Accepted Answer

Azure Machine Learning

Answer

Azure Machine Learning is a cloud platform designed to support the full ML lifecycle from data preparation to model training, deployment, and monitoring.

Question 4

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

Accepted Answer

Evaluating classification model performance by showing true vs predicted labels

Answer

A confusion matrix shows the counts of true positives, true negatives, false positives, and false negatives, providing a comprehensive view of classifier performance.

Question 5

Which Azure AI capability can identify the specific objects present in an image along with their locations?

Accepted Answer

Object detection

Answer

Object detection not only identifies what objects are in an image but also provides bounding boxes showing where each object is located.

Microsoft Azure AI Fundamentals Practice Test

Microsoft Azure AI Fundamentals Practice Test

Microsoft Azure AI Fundamentals Microsoft Azure AI Fundamentals MCQ 3