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Build Swift Mobile Apps with Watson AI Services Cognitive Class Answers
Lab 1: Analyze sentiment
Question 1: You can use a Watson AI service to indicate whether a statement such as “This car is bad” is positive, negative, or neutral.
- True
- False
Question 2: The score that demonstrates that a sentence’s sentiment is recognized by the machine learning network with a confidence between 0 and +/- 1 means that there is a 0 – 100% confidence that the sentence is either negative or positive.
- True
- False
Question 3: In addition to sentiment, the Natural Language Understanding service analyzes emotions conveyed by specific target phrases or by the document as a whole. The emotion analysis for automatically detected entities and keywords can be enabled in this service.
- True
- False
Lab 2: Recognize images
Question 1: The Watson Visual Recognition service can identify which of the following types of content? Select all that apply.
- Foods
- Chemicals
- Animals
- Landscapes shown in running videos
- Text on signs
Question 2: You can expand the existing generic image classification model with new classifiers.
- True
- False
Question 3: The Visual Recognition service can process which of the following types of media to classify images and return a confidence score for relevant classifiers representing things such as objects, events, and settings. Select all that apply.
- Image URL
- Image file
- Film or movie URL
- Film or movie file
- Audio file
Question 1: The Watson Text to Speech service is authenticated with your Cloud (Bluemix) user ID and password.
- True
- False
Question 2: Which types of interfaces does the Text to Speech service offer? Select all that apply.
- FTP
- HTTP REST
- XML
- WebSocket
Question 3: The Text to Speech service understands text and natural language to generate synthesized audio output with the appropriate cadence and intonation.
- True
- False
Build Swift Mobile Apps with Watson AI Services Final Exam Answers
Question 1: You can train the default Visual Recognition Service by creating a temporary trial classifier to recognize certain types of images.
- True
- False
Question 2: You can access IBM Watson AI services only through REST APIs.
- True
- False
Question 3: The Watson Visual Recognition service can consume images as URL links.
- True
- False
Question 4: Which SDK must you use to call IBM Watson services from iOS applications?
- Java SDK
- .NET Framework SDK
- Watson Cloud Developer SDK
- Analytics SDK
Question 5: English is the only language that is supported by the Watson Text to Speech service.
- True
- False
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