AI-900 Practice Test

AI-900 Practice Test practice questions, page 9 of 10, with answer review and explanations.

Question 41

You have the following dataset. You plan to use the dataset to train a model that will predict the house price categories of houses. What are Household Income and House Price Category? To answer, select the appropriate option in the answer area. NOTE: Each correct selection is worth one point. Hot Area:

Question 42

To complete the sentence, select the appropriate option in the answer area. Hot Area:

Question 43

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:

Question 44

A medical research project uses a large anonymized dataset of brain scan images that are categorized into predefined brain haemorrhage types. You need to use machine learning to support early detection of the different brain haemorrhage types in the images before the images are reviewed by a person. This is an example of which type of machine learning?

  1. clustering
  2. regression
  3. classification

Question 45

When training a model, why should you randomly split the rows into separate subsets?

  1. to train the model twice to attain better accuracy
  2. to train multiple models simultaneously to attain better performance
  3. to test the model by using data that was not used to train the model