This bundle contains the following three Exam Refs, direct from Microsoft:
Exam Ref 70-740 Installation, Storage, and Compute with Windows Server 2016, 9780735698826Exam Ref 70-741 Networking with Windows Server 2016, 9780735697423Exam Ref 70-742 Identity with Windows Server 2016, 9780735698819
These are the three exams necessary to receive MCSA certification in Windows Server 2016. This bundles saves the customer $20 versus the price of purchasing the three Exam Refs separately.