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 #15

When is it appropriate to include multiple classes for a sample text in the training data for
IBM Watson Natural Language Classifier?

A. When text is very detailed such that identifying a single class may cause inaccuracies.

B. When the text utterances are very similar in nature and we want to mark slight differences using classes

C. When experts interpret the same text in different ways, multiple classes support those interpretations.

D. When the classifier has been retrained and we want to preserve old classes from a previous training set.

Discussion 0

Correct Answer: B Vote an answer

Question #16

Which characteristic makes an API RESTfuI?

A. It uses standard HTTP methods (e.g., GET, PUT, POST, or DELETE).

B. It only works with Javascript.

C. It defines a number of custom media types for resources and is discoverable based on multiple known end-points.

D. It uses non-standard HTTP methods.

Discussion 0

Correct Answer: C Vote an answer

Question #17

Which statement is applicable when configuring external log hosts for IBM Watson applications running on IBM Bluemix?

A. There is no need to use external log hosts as Bluemix keeps most of the log information needed in memory.

B. Configuring external log hosts is not allowed for applications running IBM Watson services on Bluemix.

C. Logs can be streamed from the system to an external log host, such as a third-party log aggregator.

D. The characteristics of the external log host does not affect the configuration process.

Discussion 0

Correct Answer: C Vote an answer

Question #18

What are the input and output data types of the IBM Watson Tone Analyzer service?

A. Only plain text is supported for both input and output.

B. Input of JSON or plain text and output in XML.

C. Input of XML or plain text and output in JSON.

D. Input of JSON or plain text and output in JSON.

Discussion 0

Correct Answer: D Vote an answer

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Question #19

Which two Natural Language Processing artifacts are part of the Watson Knowledge Studio? (Choose two.)

A. parsing rules

B. part-of-speech tagging

C. relation detection

D. mention detection

E. sentence tokenization

Discussion 0

Correct Answer: C,E Vote an answer

Question #20

Which statement is a recommended practice when creating an IBM Watson cognitive virtual agent?

A. When constructing a query for the Watson Discovery News service, the developer should specify the return parameter to control what the query should return.

B. When using the Conversation service, dene different opening sentences in the dialog ow to prevent repetitive conversations where the dialog always asks the same questions.

C. When searching for articles related to an entity or keyword from the Watson Discovery
News service, use the relevance parameter to improve the accuracy of the search.

D. Increase the amount of the transcribed text to improve the quality and confidence of the extracted concepts.

Discussion 0

Correct Answer: B Vote an answer

Question #21

Which two statements accurately describe file size management for IBM Watson Discovery service? (Choose two.)

A. The maximum file size for a sample document is 5MB.

B. The maximum file size for documents in a collection is 50MB.

C. Sample documents must be deleted before uploading documents to a collection.

D. Sample documents must be uploaded to a separate collection other than actual content.

E. There is a limit of no more than 5 documents sample documents.

Discussion 0

Correct Answer: A,D Vote an answer

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