This bundle contains the following three Exam Refs, direct from Microsoft:

Exam Ref 70-740 Installation, Storage, and Compute with Windows Server 2016
Exam Ref 70-741 Networking with Windows Server 2016
Exam Ref 70-742 Identity with Windows Server 2016

Exam Ref 70-740 Installation, Storage, and Compute with Windows Server 2016
Prepare for Microsoft Exam 70-740-and help demonstrate your real-world mastery of Windows Server 2016 installation, storage, and compute features and capabilities.
This Microsoft Exam Ref:

Organises its coverage by exam objectives
Features strategic, what-if scenarios to challenge you
Assumes you have experience working with Windows Server in an enterprise environment; are familiar with core networking infrastructure, topologies, architectures, and protocols; and have experience with Windows clients and virtualisation

Exam Ref 70-741 Networking with Windows Server 2016
Microsoft Exam 70-741 is for IT Pros interested in enhancing their skills for the latest version of Windows Server. This exam validates skills and knowledge for configuring advanced tasks required to deploy, manage, and maintain a Windows Server 2016 infrastructure, such as fault tolerance, certificate services, and identity federation. Passing this exam along with two other exams is required for MCSA and MCSE certifications. The Exam Ref is the official study guide for Microsoft certification exam 70-741. Featuring concise, objective-by-objective reviews and strategic case scenarios and Thought Experiments, exam candidates get professional-level preparation for the exam. The Exam Ref helps candidates maximise their performance on the exam and sharpen their job-role skills.

Exam Ref 70-742 Identity with Windows Server 2016
Prepare for Microsoft Exam 70-742-and help demonstrate your real-world mastery of Windows Server 2016 identity features and functionality. Designed for experienced IT professionals ready to advance their status, Exam Ref focuses on the critical-thinking and decision-making acumen needed for success at the MCSA level.