Your network contains an Active Directory domain. The domain contains five domain controllers.  A domain controller named DC1 has the DHCP role and the file server role installed.    
You need to move the Active Directory database on DC1 to an alternate location. The solution  must minimize impact on the network during the database move.    
What should you do first（）

单项选择题Your network contains a domain controller that runs Windows Server 2008 R2. You run the  following command on the domain controller：   dsamain.exe -dbpath c： $SNAP_201006170326_VOLUMEC$ Windows NTDS ntds.dit -ldapport  389 -allowNonAdminAccess     The command fails.     You need to ensure that the command completes successfully.     How should you modify the command（）

A.Include the path to Dsamain.
B.Change the value of the -dbpath parameter.
C.Change the value of the -ldapport parameter.
D.Remove the -allowNonAdminAccess parameter.

单项选择题You have an Active Directory snapshot.     You need to view the contents of the organizational units （OUs） in the snapshot.     Which tools should you run（）

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（）

A.From Server1， run djoin.exe.
B.From Server1， run netdom.exe.
C.From a Windows 7 computer， run djoin.exe.
D.Upgrade one domain controller to Windows Server 2008 R2.
E.Raise the functional level of the domain to Windows Server 2008.

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（）

A.From the Ntdsutil tool， create an IFM media set.
B.From the command prompt， run djoin.exe /loadfile.
C.From Windows Server Backup， perform a system state backup.
D.From Windows PowerShell， run the get-ADDomainController cmdlet.

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（）

A.From the ca， run the Get-PfxCertificate cmdlet.
B.From the Web server， run the Get-PfxCertificate cmdlet.
C.From the ca， run the certutil.exe tool and specify the -exportpfx parameter.
D.From the Web server， run the certutil.exe tool and specify the -exportpfx parameter.