Your network contains an Active Directory domain controller named DC1. DDC1 runs Windows  Server 2008 R2.  
You need to defragment the Active Directory database on DC1. The solution must minimize  downtime on DC1.    
What should you do first（）

单项选择题Your network contain 10 domain controller that run Windows Server    R2.   The network contain a member server that is configured to collect all of events that occur on the  domain controllers.   Your need to ensure that administrators are notified when a specific event occurs on any of the  domain controllers. You want to achive the goal by using the minimum amount effort.   What should you do（）

A.From Event Viewer on the member server， create a subscription.
B.From Event Viewer on each domain controller， create a subscription.
C.From Event Viewer on the member server， run the Create Basic Task Wizard.
D.From Event Viewer on each domain controller，run the Create Basic Task Wizard.

单项选择题Your network contains an Active Directory domain.   A user named User1 takes a leave of absence for one year.   You need to restrict access to the User1 user account while User1 is away.     What should you do（）

A.From the Default Domain Policy， modify the account lockout settings.
B.From the Default Domain Controller Policy， modify the account lockout settings.
C.From the properties of the user account， modify the Account options.
D.From the properties of the user account， modify the Session settings.

单项选择题Your network contains an Active Directory domain. The domain contains a group named Group1.  The minimum password lenght for the domain is set to six characters.   you need to ensure that the passwords for all users in Group1 are at least 10 characters long. All  other users must be able to use passwords that are six characters long.     What should you do first（）

A.Run the New-ADFineGrainedPasswordPolicy cmdlet.
B.Run the Add-ADFineGrainedPasswordPolicySubject cmdlet.
C.From the Default Domain Policy， modify the password policy.
D.From the Default Domain Controller Policy， modify the password policy.

单项选择题Your network contains an Active Directory forest. All domain controllers run Windows Server  2008 Standard. The functional level of the domain is Windows Server 2003. You have a  certification authority （CA）.   The relevant servers in the domain are configured as shown in the following table：     Server name  Operating system  Server role   Server1  Windows Server 2003  Enterprise root CA  Server2  Windows Server 2008  Enterprise subordinate CA  Server3  Windows Server 2008 R2  Web Server   You need to ensure that you can install the Active Directory Certificate Services （AD CS）  Certificate Enrollment Web Service on the network.     What should you do（）

A.Upgrade Server1 to Windows Server 2008 R2.
B.Upgrade Server2 to Windows Server 2008 R2.
C.Raise the functional level of the domain to Windows Server 2008.
D.Install the Windows Server 2008 R2 Active Directory Schema updates.

单项选择题You have an enterprise subordinate certification authority （CA）. You have a custom certificate  template that has a key length of 1，024 bits. The template is enabled for autoenrollment.     You increase the template key length to 2，048 bits.   You need to ensure that all current certificate holders automatically enroll for a certificate that  uses the new template.     Which console should you use（）

A.Active Directory Administrative Center
B.Certification Authority
C.Certificate Templates
D.Group Policy Management