Buy all four and save! This boxed set of study guides covers all four core Microsoft Certified Systems Engineer (MCSE) exams: Networking Essentials, NT Server 4, NT Server 4 in the Enterprise, and NT Workstation 4. Hands-on exercises use real-world examples to illustrate key concepts and improve retention of information; sample testing programs, supplied on each book's CD, simulate the core exams; and computer-based training courses provide valuable additional information. List: $159.96 Our Price: $127.97 You Save: $31.99 (20%)

Prepare for an essential component of the MCSE certification program, get an excellent introduction to networking, or both. This self-study guide covers network components, LANs, WANs, network communication media, standards, protocols, architecture, and network support tools. The companion CD contains a sample testing program that simulates the Networking Essentials exam and helps you identify areas for further study. List: $49.99 Our Price: $34.99 You Save: $15.00 (30%)

Learn to configure, customize, integrate, optimize, and troubleshoot today's hottest operating system. This self-study guide includes everything you need to prepare for the Windows NT Workstation 4.0 exam, whether you seek an MCSE, MCSD, or MCPS certification. The book includes a CD featuring an MCSE test-simulation program. List: $49.99 Our Price: Our Price: $34.99 You Save: $15.00 (30%)

Get ready to pass the NT Server exam, a core requirement for MCSE certification. This hands-on study guide uses real-world examples to illustrate key concepts and improve retention of information. Coverage spans every aspect of the NT Server course, including installing, configuring, and administering NT Server networks. A test-simulation program, provided on the companion CD, lets you study and review sample test questions, and identify areas requiring further work. This book may also be used to prepare for the MCPS and MCSD certifications. List: $49.99 Our Price: $39.99 You Save: $10.00 (20%)

Discover the powerful enterprise networking capabilities of NT Server as you prepare for the NT Server in the Enterprise exam - a core requirement for the MCSE certification program. This study guide covers every aspect of the NT Server in the Enterprise course, including installing, configuring, and administering multi-server and multi-domain networks. Hands-on examples help you learn, and a sample testing program, supplied on the companion CD, provides questions similar to those on the actual exam. List: $49.99 Our Price: $34.99 You Save: $15.00 (30%)

Get a head start on one of the most popular elective exams for MCSE certification with this updated edition of Network Press's best-selling MCSE: TCP/IP Study Guide. With this Microsoft- Certified Professional Approved Study Guide, you'll learn how to handle TCP/IP internetworking with NT Server 4. Use TCP/IP to enable communications between different operating systems, including Windows 95, Windows NT Workstation and NT Server, OS/2, and Unix. Most important, find out how to harness the power of TCP/IP while maintaining effective network security. The companion CD includes sample test questions similar to those found on the TCP/IP exam. List: $49.99 Our Price: $39.99 You Save: $10.00 (20%)

Here's what you need to pass the MCSE test on Internet Information Server (IIS) 3.0, the powerful Web server included with NT Server 4. The book also discusses Index Server, which is included in the IIS test. Hands-on exercises and a CD-based test simulation provide for swift learning. The IIS test is one of the electives for the MCSE certification, and can be taken for Microsoft's new Internet Systems Specialist (ISS) certification, as well as for the Microsoft Certified Product Specialist (MCPS) certification. List: $49.99 Our Price: $34.99 You Save: $15.00 (30%)

This comprehensive study guide is essential reading for MCSE, MCPS, and MCSD candidates seeking to pass the Exchange Server 5 exam. Learn how to manage information distribution over Windows 95 and Windows NT networks; improve corporate productivity; and build everything from a single-server system to a multi-server, international Exchange organization. Manage electronic messaging, design productivity-enhancing forms, and create timesaving groupware applications. The companion CD's testing program contains questions similar to those on the Exchange Server exam. List: $49.99 Our Price: $34.99 You Save: $15.00 (30%)