(A) Organic Search and Social
(B) Youtube.com and Mall.googleplex.com
(C) Mall.googleplex.com and Analytics.google.com
(D) Google and Direct
You can calculate the top two sources of users by analyzing the percentage of users from each referral traffic source. If you analyze the report closely then, you’ll find that the highest percentage of users is from the Mall.googleplex.com source(51.47%) followed by Analytics.google.com source(14.99%). Therefore, the top two referral traffic sources are Mall.googleplex.com and Analytics.google.com.
This question is a part of the Assessment 2 section of the Google Analytics for Power Users course. You can find all the questions from all the four assessments with detailed explanation for this exam in our Google Analytics for Power Users Assessment Answers page.