Create a marker-based AR app quiz

11. The AR Session Origin manages an individual session of the AR experience, including things like frame rate and communication with the device. Select the best answer.

  • True
  • False

12. True or false: To develop for an iOS or Android™ device, you only have to install the AR Foundation package and nothing else. Select the best answer.

  • True
  • False

13. Fill in the blank: ______________________ communicates with the AR framework and features of an Android™ device. Select the best answer.

  • XR Plug-In Management.
  • AR Foundation
  • ARKit
  • ARCore

14. If you wanted to configure an AR app for iOS, you would use the XR Plug-In Management to install ARKit, the API that provides access to the cameras, sensors and other hardware that make AR experiences possible on iOS devices. Select the best answer.

  • True
  • False

15. AR Foundation does not use color information to detect images, only grayscale. Select the best answer.

  • True
  • False

16. Beverly has designed an AR marker for her new marker-based app. It is a grayscale image in a PNG format with strong contrast values, and it is 150 x 150 pixels in size. Is this an example of a good AR marker? Select the best answer.

  • Yes, it is.
  • No, it is not.

17. Dhanya needs to adjust the scale of her prefab. What should she do? Select the best answer.

  • Select the object and then select Edit > Scale.
  • Drag the object to the Hierarchy.
  • Double-click the object to open Prefab Mode.
  • Adjust the scale of her model in an external 3D editor and re-import it.

18. Use Prefab Mode to adjust the position, rotation and ____________ of your model. Select the best answer.

  • scale
  • orientation
  • size
  • shape

19. Which of the following are use cases for marker-based AR? Select all that apply.

  • Create a coloring book where the shapes you color come to life in 3D.
  • Send a marketing email.
  • Create a tattoo-planning app that shows what the tattoo will look like on your skin.
  • Launch a website.

20. Kara is building an app in Unity. She wants users to hold their phone vertically when they use the app. Therefore, when she goes to test her app in the editor, she should update the Game view to reflect the desired aspect ratio. Select the best answer.

  • True
  • False

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