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Share some IBM Certified Application Developer C7020-230 exam questions and answers below.
Which statement best describes the unsupervised learning process when performing clustering on a large data set?
A. The system understands the significance of the data points and a cognitive sub-process clusters the data, removing the need for a human supervisor.
B. A neural network is deployed in unsupervised mode to determine to which cluster a data point belongs.
C. Examples of data points and their associated cluster are fed into the system allowing it to learn and generalize for the rest of the data set.
D. Data points are compared at random and the differences between their features are used to determine whether they belong in the same cluster or not.
Answer: D
A cognitive FAQ widget on a company’s support portal allows users to ask questions related to the company and its products. Which two IBM Watson services will create this pattern? (Choose two.)
A. Tradeoff Analytics
B. Natural Language Understanding service Semantic Roles API
C. Conversation
D. Discovery
E. Personality Insights
Answer: B,C
In the context of a IBM Watson cognitive virtual agent, what type of input data can the IBM Watson Conversation service consume?
A. images
B. speech
C. string of text
D. audio
Answer: A
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