Q: What data is provided in Video Verification?
A) Resolution and bit rate details
B) Asset and transcoding validation
C) Video player size and viewability
D) Information about ads that served on the same page
Correct Answer is C) Video player size and viewability
Video ads can be resized by publishers and placed in different locations on a page. Video verification identifies how large your ad was, where on the page it appeared, its prominence, the number of impressions, and other related metrics.
Read more here: https://support.google.com/dcm/answer/6096860