A.The best option is to set the external URL for Microsoft-Server-ActiveSync to $NULL.
B.The best option is to set the external URL for Microsoft-Server-ActiveSync to https:// ExamWays-ex16.com/Microsoft - Server - ActiveSync.
C.The best option is to set the external URL for Microsoft-Server-ActiveSync to https://mail. Company.com/Microsoft- Server- ActiveSync.
D.The best option is to set the external URL for Microsoft-Server-ActiveSync to http://autodiscover. Company.com/Microsoft- Server- ActiveSync.