单项选择题
A.explorer.exe， netdom.exe， and dsa.msc
B.ntdsutil.exe， dsamain.exe， and dsa.msc
C.wbadmin.msc， dsamain.exe， and netdom.exe
D.wbadmin.msc， ntdsutil.exe， and explorer.exe
多项选择题 Your network contains an Active Directory domain. All domain controllers run Windows Server 2008. The functional level of the domain is Windows Server 2003. All client computers run Windows 7. You install Windows Server 2008 R2 on a server named Server1. You need to perform an offline domain join of Server1. Which two actions should you perform（）
单项选择题 Your company has a main office and a branch office. The network contains a single Active Directory domain. The main office contains a domain controller named DC1. You need to install a domain controller in the branch office by using an offline copy of the Active Directory database. What should you do first（）
单项选择题 You have an enterprise root certification authority （CA） that runs Windows Server 2008 R2. You need to ensure that you can recover the private key of a certificate issued to a Web server. What should you do（）