With YouTube Analytics, you can track metrics on:

  • A) YouTube session length
  • B) cost-per-channel visit
  • C) playback locations
  • D) TrueView ad skip rates

The correct answer is:

C) playback locations

Explanation: The Playback locations report shows the pages or sites that your videos are being viewed on.

Read more here: https://support.google.com/youtube/answer/1714546?hl=en