(A) Target audiences based on website visits
(B) Exclude audiences based on website activity
(C) Increase ad spend
(D) Validate a tag
The UET tags are designed to help advertisers target their audiences in two ways. UET tags give you data like bids, keywords, ads, etc. about customers who previously visited your site. You can use this data to remarket to the people who visited your site. UET tags also provide data about the pages your audience visited, the amount of time they spent, the buttons, or links they clicked at. You can use this data from UET tags to exclude audiences that are not spending time on your website or not clicking only any links.
This question is a part of the Microsoft Advertising Certified Professional exam. You can find all the answers with detailed explanation for this exam in the Microsoft Advertising Certified Professional exam page.