(The book is described according to different links of windowsserver2008 network infrastructure equipment, with a total of 12 chapters, covering IP, title resolution, DNS, DHCP, routing, IPSec, firewall and nap equipment, as well as network connection, software update, computer supervision, file and printer management and other topics. These contents are the most common and basic missions for handling windowsserver2008 network. They are compulsory courses for network administrators. Official self-study materials are rich in many examples, operation instructions and tips. They are suitable for all 2008 users to refer to, and are also a necessary guide for network administrators.)