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Build Swift Mobile Apps with Watson AI Services Exam Answers Cognitive Class

Build Swift Mobile Apps with Watson AI Services

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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