Box 1: A Thumbnail card -
A Thumbnail card typically contains a single thumbnail image, some short text, and one or more buttons.
Incorrect Answers:
- an Adaptive card is highly customizable card that can contain any combination of text, speech, images, buttons, and input fields.
- a Hero card typically contains a single large image, one or more buttons, and a small amount of text.
Box 2: an image -
Reference:
https://docs.microsoft.com/en-us/microsoftteams/platform/task-modules-and-cards/cards/cards-reference
