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IBM C1000-012 Exam Practice Questions (P. 2)

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Question #6
When building a dialog within the IBM Watson Assistant service, what does the dollar sign $ represent?
  1. A
    Shorthand syntax for accessing the dialog context.variable_name.
  2. B
    The $ syntax is meaningful when used with the asterisk * for building and utilizing JSON within Watson dialog response
  3. C
    Describes replacement of context by user_response within the Watson Assistant dialog
  4. D
    Replaces a word or set of words in the position the $ occupies

Correct Answer:
C
Reference:
https://console.bluemix.net/docs/services/assistant/dialog-build.html#dialog-build

Question #7
What is the purpose of the IBM Watson Natural Language Classifier service?
  1. A
    Interpret the intent behind text and returns a corresponding classification with associated confidence levels
  2. B
    Reduce the number of random utterances consideration, by obtaining a set of uncorrelated utterances
  3. C
    Translate a natural language sentence into a syntactic representation such as a parse tree
  4. D
    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

Correct Answer:
A
IBM Watson Natural Language Classifier is a service that enables developers without a background in machine learning or statistical algorithms to create natural language interfaces for their applications, interprets the intent behind text and returns a corresponding classification with associated confidence levels and the return value can then be used to trigger a corresponding action, such as redirecting the request or answering a question.

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?
  1. A
    The classifier has a low precision and a high recall
  2. B
    The classifier has a low precision and a low recall
  3. C
    The classifier has a high precision and a high recall
  4. D
    The classifier has a high precision and a low recall

Correct Answer:
C

Question #9
Which statement is the best definition of intent in the context of a virtual assistant?
  1. A
    Intent is the classification of the inputted question
  2. B
    Intent is the specific class of object that is relevant to a user' s purpose
  3. C
    Intent is used to figure out if other IBM Watson AI services are required
  4. D
    Intent is the answer to the inputted question

Correct Answer:
A

Question #10
How is training data set constructed from user questions for the Natural Language Classifier?
  1. A
    Use an XML formatted data set
  2. B
    Upload documents with similar questions
  3. C
    Group the questions and label as classes
  4. D
    Create and intents index in a spreadsheet

Correct Answer:
C

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