IBM C7020-230 Actual Free Exam Questions & Community Discussion

Exam Code/Number: C7020-230
Exam Name/Title: IBM Watson V3 Application Development
Certification Provider: IBM
Corresponding Certification: IBM Certified Application Developer-Watson V3

Exam Questions: 65
Updated On: Jun 02, 2026

Question #29

Which combination of three IBM Watson services is applicable to assist an agent at a phone-based customer call center? (Choose three.)

A. Discovery

B. Conversation

C. Relationship Extraction

D. Speech to Text

E. Tradeoff Analytics

F. Natural Language Classifier

Discussion 0

Correct Answer: C,D,F Vote an answer

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Question #30

Before a developer can work with any of the Watson Developer Cloud services, they need to obtain service credentials.
What is the proper procedure to do this in IBM Bluemix (Bluemix)?

A. Create a service instance Within Bluemix, create the service credentials, use the service credentials in the application.

B. Log-in to IBM Watson Developer Cloud, navigate to your account, and view your user credentials.

C. Log-in to IBM Watson Developer Cloud create an instance of the service, and view/record your Service credentials.

D. Log-in to Bluemix, navigate to your account prole, then copy the account credentials into the application for service access.

Discussion 0

Correct Answer: D Vote an answer

Question #31

In the context of machine learning, what is overfitting?

A. Overfitting is the creation of an imprecise model which is the result of only using training data without using any validation data.

B. Overfitting is the creation of a statistical model that describes noise instead of the underlying relationship.

C. Overfitting is the creation of a model that is too general, so it performs well on just about every test that is run against it.

D. Overfitting is an artificially accurate model and can occur when the test data is too similar to the training data.

Discussion 0

Correct Answer: D Vote an answer

Question #32

What is the purpose of the IBM Watson Visual Recognition REST API classify endpoint?

A. It enables users to upload a set of images as a zip file for insight extraction.

B. It analyzes the uploaded images against classifiers.

C. It trains a new classifier on the uploaded image data.

D. It turns a collection of images into structured data that can easily be indexed and queried.

Discussion 0

Correct Answer: D Vote an answer

Question #33

What is an approach for integrating a database into an IBM Watson solution?

A. Use the Document Conversion service to search the database for the entries with the strongest relationship to the user input.

B. Use the Discovery service to search through candidate queries and surface the ones most relevant to the user input.

C. Use the concepts from Natural Language Understanding to search the database for the most relevant documents.

D. Use the intent from the Natural Language Classifier as part of a query.

Discussion 0

Correct Answer: C Vote an answer

Question #34

What is the name of the JSON object that can be used to store data across multiple interactions with an IBM Watson Conversation dialog flow?

A. node

B. context

C. module

D. output

Discussion 0

Correct Answer: B Vote an answer

Question #35

What is a common use case for the IBM Watson Natural Language Classifier service?

A. Design marketing material and provide product recommendations that is more personal and relevant.

B. Enable back and forth natural language conversations with a user for clarifying questions or helping a user take an action.

C. Organize tweets into a set of categories, such as events, news, or options.

D. Find the right person for a specific job or project based on classifications found in a person's resume.

Discussion 0

Correct Answer: B Vote an answer

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