(A) Multiple channels survey only ad-exposed groups of users.
(B) Multiple channels may use different tools to measure brand lift.
(C) Multiple channels aggregate all your data into a single view.
(D) Multiple channels consolidate campaign data for actionable insights.
This question is a part of the Google Ads Measurement Certification Assessment exam. You can find all the answers to this exam in our Google Ads Measurement Certification Assessment Answers page.