So the typical answers on what was studied.
I took the Netacad course, funny thing is, the real test is MUCH easier than their practice test at the end of the course.
CBT Nuggets a long while back.
Odom's book,
This guys video series on Youtube
https://www.youtube.com/user/ShrikeCast/playlists (watch at 1.5x speed, he is a slow talker.)
Packet Tracer labs from Netacad and the Ranet site
Ranet Co., Ltd. - ??????????????? CCNA ?????????.
I have had subnetting down cold for a good long while so I spent very little time on those questions.