C1000-012 by IBM Actual Free Exam Q&As

Question 1

Which type of learning is K-means clustering?

A. unsupervised learning B. automatic learning C. supervised learning D. reinforcement learning

Discussion 0

Correct Answer: A Vote an answer

Question 2

Based on the phrase below, which words are examples of the same co-reference?
"John F Kennedy was not president of the United States for a long time. He only served in the White House from 1961 to 1963".

A. "John F Kennedy", "president", and "he" B. "served", "1961" and "1963" C. "John F Kennedy", "United States", and "White House" D. "president", "United States", and "White House"

Discussion 0

Correct Answer: A Vote an answer

Question 3

What kind of machine learning approach is typically used for classification with a neural network?

A. automatic learning B. supervised learning C. active learning D. reinforcement learning

Discussion 0

Correct Answer: B Vote an answer

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Question 4

How would a developer build a AI system that recognize license plates in images?

A. Write an algorithm to run a set of logical checks on the images. B. Train a classifier with examples of license plates. C. Build a tool that sends images to be annotated by teams of humans. D. An AI system would already recognize different types of license plates, so simply show it the images.

Discussion 0

Correct Answer: B Vote an answer

Question 5

A developer has been asked to build a question and answer system using the IBM Watson Assistant service for a retail bank to handle questions from customers on the banking website. From which group of users should the developer target to collect representative questions?

A. executive sponsor and decision makers at the bank B. A sample set of members from IT team managing the website C. call center agents who routinely handle such customer calls D. a sample set of end users of the application

Discussion 0

Correct Answer: C Vote an answer

Question 6

Where can the IBM Watson AI service credentials be retrieved when running an application on IBM Cloud?

A. configuration file such as "credentials.plist" B. token generation service C. HTTP Authorization request header D. from the Service Credentials panel of the IBM Cloud service

Discussion 0

Correct Answer: D Vote an answer

Question 7

What is the definition of false positive in the context of measuring accuracy of a machine learning system?

A. The system returns only low confidence scores for all answers. B. The system returns only high confidence for all answers, both correct and incorrect. C. The system returns a high confidence score for an incorrect answer. D. The system returns a low confidence score for a correct answer.

Discussion 0

Correct Answer: D Vote an answer

Question 8

Which two statements accurately describe file size management for IBM Watson Discovery service?

A. Sample documents must be uploaded to a separate collection other than actual content. B. The maximum file size for a sample document is 1MB. C. There is a limit of no more than 5 documents sample documents. D. Sample documents must be deleted before uploading documents to a collection. E. The maximum file size for documents in a collection is 50MB.

Discussion 0

Correct Answer: A,E Vote an answer

Question 9

Which three file types can be ingested by the IBM Watson Discovery service?

A. XLS B. PDF C. CSV D. PPT E. JSON F. DOC

Discussion 0

Correct Answer: B,E,F Vote an answer

Question 10

Someone is training a machine learning system to perform classification of unstructured content. What is the purpose of a validation data set on the training process?

A. Validation data sets would never be used in a classification system as only training and test data are required B. Validation data sets are only used if test data is unavailable C. Validation data sets are exactly the same as test data sets and are used to test the limits of the machine learning model D. Validation data sets are used to fine tune the accuracy of the training model

Discussion 0

Correct Answer: C Vote an answer

IBM Watson Application Developer V3.1 - C1000-012 Exam Practice Test