Your company has a single Active Directory domain. The company has a main office and a branch office. Both the offices have domain controllers that run Active Directory-integrated DNS zones. All client computers are configured to use the local domain controllers for DNS resolution. The domain controllers at the branch office location are configured as Read-Only Domain Controllers (RODC).You change the IP address of an existing server named SRV2 in the main office.You need the branch office DNS servers to reflect the change immediately.What should you do？（）

A.Windows Deployment Services role and Deployment Server role service
B.Windows Deployment Services role and Deployment transport role service
C.Network Policy and Access services role and routing and remote access services role service
D.Network Policy and access services and host credential authorization protocol role service

A.Configure SSL encryption on the WSUS server Web site.
B.Run the netdom trust /SecurePasswordPrompt command on the WSUS server.
C.Configure the NTFS permissions on the content directory to Deny Full Control permission to the Everyone group.
D.Configure the WSUS server to require Integrated Windows authentication when users connect to the WSUS server.

A. From Windows Firewall， add an exception
B. From windows Firewall enable the block all incoming connections option
C. From the Windows Firewall with Advanced Security snap-in， create an inbound rule
D. From the Windows Firewall with Advanced Security snap-in， create an outbound rule.