Online Access Free H13-311 Exam Questions

Which of the following description of the validation set is wrong?

• A.The test set can coincide with the training set.
• B.The verification set can coincide with the test set.
• C.Typically 80% of the training data is used for training and 20% is used for verification.
• D.The subset used to pick hyperparameters is called a validation set.

Which of the following description is wrong about the image recognition cloud service?

• A.The service can perform semantic analysis on the content in the image to extract labels with specific abstract meanings.
• B.The service can provide object and scene labels, and can also provide more conceptual labels.
• C.The service identifies specific objects such as skyscrapers, buildings, and ships.
• D.The service can also identify the sea, city, port and other scenes.

Which description is wrong about the hyperparameter?

• A.The value of the hyperparameter is not learned by the algorithm itself.
• B.Hyperparameters cannot be modified.
• C.Hyperparameters are parameters that set values before the algorithm begins learning.
• D.Most machine learning algorithms have hyperparameters.

Principal Component Analysis (PCA) is a statistical method. A set of variables that may be related to each other is transformed into a set of linearly related variables by orthogonal transformation. The converted set of variables is called the principal component.

• A.False
• B.True

The Python list can be identified by " [] ", and the default index of the first element from left to right is 1.

• A.False
• B.True