Took the CISSP exam recently and lukily passed with a good score. My CISSP exam contains 175 questions in total, and I followed the below materials: Sybex Official Study - Exam Essentials, Boson, CISSP Pocket Prep App, Rob Witcher Destination Ceritificate and Peter Zergers' 8 hours cissp exam cram videos. Also, I practised PassLeader CISSP exam dumps as well. PassLeader is a good source to test your knowledge on all the domains, really helpful!