70-067 Implementing and supporting NT Server 4.0

70-058 Networking Essentials

70-073 Implementing and supporting NT 4.0 Workstation

70-068 Implementing and supporting NT Server 4.0 in the Enterprise

70-059 Internetworking with Microsoft TCP/IP on Microsoft Windows NT 4.0

70-081 Implementing and Supporting Microsoft Exchange Server 5.5