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AI-900: Microsoft Azure AI Fundamentals Certification Exam Questions and Answers

Question #1

A company employs a team of customer service agents to provide telephone and email support to customers.
The company develops a web chatbot to provide automated answers to common customer queries.
Which business benefit should the company expect as a result of creating the web chatbot solution?

  • A. increased sales
  • B. a reduced workload for the customer service agents
  • C. improved product reliability

Correct Answer: B

Question #2

For a machine learning progress, how should you split data for training and evaluation?

  • A. Use features for training and labels for evaluation.
  • B. Randomly split the data into rows for training and rows for evaluation.
  • C. Use labels for training and features for evaluation.
  • D. Randomly split the data into columns for training and columns for evaluation.

Correct Answer: D
In Azure Machine Learning, the percentage split is the available technique to split the data. In this technique, random data of a given percentage will be split to train and test data.

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Question #3

You are developing a model to predict events by using classification.
You have a confusion matrix for the model scored on test data as shown in the following exhibit.

Use the drop-down menus to select the answer choice that completes each statement based on the information presented in the graphic.
NOTE: Each correct selection is worth one point.
Hot Area:

Correct Answer: 
Box 1: 11 –

TP = True Positive.
The class labels in the training set can take on only two possible values, which we usually refer to as positive or negative. The positive and negative instances that a classifier predicts correctly are called true positives (TP) and true negatives (TN), respectively. Similarly, the incorrectly classified instances are called false positives (FP) and false negatives (FN).

Box 2: 1,033 –

FN = False Negative –

Question #4

You build a machine learning model by using the automated machine learning user interface (UI).
You need to ensure that the model meets the Microsoft transparency principle for responsible AI.
What should you do?

  • A. Set Validation type to Auto.
  • B. Enable Explain best model.
  • C. Set Primary metric to accuracy.
  • D. Set Max concurrent iterations to 0.
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Correct Answer: B
Model Explain Ability.
Most businesses run on trust and being able to open the ML “black box” helps build transparency and trust. In heavily regulated industries like healthcare and banking, it is critical to comply with regulations and best practices. One key aspect of this is understanding the relationship between input variables (features) and model output. Knowing both the magnitude and direction of the impact each feature (feature importance) has on the predicted value helps better understand and explain the model. With model explain ability, we enable you to understand feature importance as part of automated ML runs.

Question #5

For each of the following statements, select Yes if the statement is true. Otherwise, select No.
NOTE: Each correct selection is worth one point.
Hot Area:

Correct Answer: 
Anomaly detection encompasses many important tasks in machine learning:
Identifying transactions that are potentially fraudulent.
Learning patterns that indicate that a network intrusion has occurred.
Finding abnormal clusters of patients.
Checking values entered into a system.

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