After a year of off and on studying, I finally took the exam today and it wasn't easy. For those scheduled to take the SY0-401 test before it expires I recommend Darril Gibson material 
Are You Ready to Get Certified? - Get Certified Get Ahead, Professor Messers Study Guide, as some of your primary sources. There were 72 questions that were very wordy. I received 3-4 Performance based questions, a couple were dealing with Attack Types. Questions about C.I.A, Security Controls. Thanks to all of the previous posts from this site, it really helped. Good luck to everyone. My goal is to take Linux plus next. Current certs, A+, Network+, ICND 1