To collect how many times users downloaded a product catalog, what would you set up?

  • Custom Dimension
  • Event Tracking
  • Calculated Metrics
  • Custom Report

The correct answer is:

  • Event Tracking

Explanation: Events are user interactions with content that can be tracked independently from a web page or a screen load. Downloads, mobile ad clicks, gadgets, Flash elements, AJAX embedded elements, and video plays are all examples of actions you might want to track as Events.

Read more here: https://support.google.com/analytics/answer/1033068