单项选择题 ou manage a server that runs windows server 2008. The windows backup and restore utility is installed on the server. You need to create a full backup of all system state data to the DVD drive (R: drive) on the server. Which command should you run on the server?（）

单项选择题 Your network contains a domain-based Distributed File System (DFS) namespace named \\contoso.com\DFS1. You have two servers named Server1 and Server2 that are configured as namespace servers for \\contoso.com\DFS1. You need to verify that the DFS namespace replicates successfully between Server1 and Server2. Which tool should you use?（）

单项选择题 You work as the IT professional in an international company which is named wikigo. You are experienced in implementing and administering a network operating system. You are specialized in configuring IP addressing and services, configuring name resolution and network access and so on. Your company has a server named printer a that runs windows server 2008. Printer a has the print services server role installed. You have to reduce the so what action should you perform?（）