Cloud & AI Cert Exam Prep PRO

Four study tracks were withdrawn pending a rewrite: CISSP, CompTIA Security+, PMP and Google Professional Cloud Security Engineer. Their question sets did not meet the standard the rest of the app holds, and they will return rewritten rather than stay in a state we are not happy with. The catalogue is now 60 certifications and 3,136 questions, and the description matches it exactly. Previous versions quoted several different totals, none of them right. Question text across the library was cleaned up for consistent punctuation. Also in this version: the iPhone, iPad and Mac builds now ship an identical question library. Three tracks had drifted between platforms.