C1000-012 practice questions, page 2 of 4, with answer review and explanations.
Question 6
When building a dialog within the IBM Watson Assistant service, what does the dollar sign $ represent?
Shorthand syntax for accessing the dialog context.variable_name.
The $ syntax is meaningful when used with the asterisk * for building and utilizing JSON within Watson dialog response
Describes replacement of context by user_response within the Watson Assistant dialog
Replaces a word or set of words in the position the $ occupies
Question 7
What is the purpose of the IBM Watson Natural Language Classifier service?
Interpret the intent behind text and returns a corresponding classification with associated confidence levels
Reduce the number of random utterances consideration, by obtaining a set of uncorrelated utterances
Translate a natural language sentence into a syntactic representation such as a parse tree
Group a set of objects in such a way that objects in the same group are more similar to each other than to those in other groups
Question 8
A classifier for identifying the ACME corporation logo in images posted on social media runs on 100 images. There are 75 true positives, 3 false positives and 1 false negative and 21 true negatives. Which statement is true?
The classifier has a low precision and a high recall
The classifier has a low precision and a low recall
The classifier has a high precision and a high recall
The classifier has a high precision and a low recall
Question 9
Which statement is the best definition of intent in the context of a virtual assistant?
Intent is the classification of the inputted question
Intent is the specific class of object that is relevant to a user' s purpose
Intent is used to figure out if other IBM Watson AI services are required
Intent is the answer to the inputted question
Question 10
How is training data set constructed from user questions for the Natural Language Classifier?