Free IBM C1000-154 Exam Dumps Questions & Answers

Which feature is NOT available when managing models with Watson Machine Learning?

• A.  Rollback capabilities for model versions
• B.  Version control of deployed models
• C.  Automatic conversion of all models to deep learning models
• D.  Real-time performance monitoring

Assessing the feasibility of a solution(s) often requires evaluating:

• A.  The color scheme of the user interface
• B.  Technical feasibility, cost, and time constraints
• C.  Market competition only
• D.  Preferred communication channels of the project manager

In the case of imbalanced data, what technique is recommended to ensure that the train and test sets have similar distributions of the target variable?

• A.  Using only the majority class for splitting
• B.  Splitting based on the order of data collection
• C.  Stratified split
• D.  Random split without considering the target variable

What is a critical consideration when selecting the right model class for a given problem?

• A.  The availability of high-performance computing resources.
• B.  The theoretical complexity of the model, with more complex models always being preferred.
• C.  The model's ability to produce results quickly, regardless of accuracy.
• D.  The nature of the problem (e.g., classification, regression) and the characteristics of the data.

Which of the following is true about the AUC measure in the context of classification models?

• A.  It indicates the number of false positives.
• B.  It measures the model's accuracy using a single threshold.
• C.  It represents the degree of separability between classes.
• D.  It is less useful when the classes are highly imbalanced.