(A) The publisher is using the wrong browser
(B) The publisher has malware
(C) The publisher’s firewall is blocking all traffic to and from DoubleClick
(D) The publisher’s network is routing their IP through another city
(E) The publisher AND your teammate have malware
This question is a part of the Ad Manager 360 Reseller Exam. You can find answers to all the questions asked in this exam in our Ad Manager 360 Reseller Exam Answers page.