You need to design a strategy for providing e-mail access to the subsidiary users. What should you do？（）

A.Create a single organizational unit （OU）. Place the user accounts for each office in the OU. Delegate control over the OU to the office’s server administrators and the central IT staff
B.Create a single Exchange administrative group. Place all Exchange servers into that administrative group. Assign permissions for the administrative group to the officer’s server administrators and the central IT staff
C.Create an Exchange administrative group for each office. Place the Exchange severs for each office into that office’s administrative group. Assign permissions for the administrative group to the office’s server administrators. Allow the central IT staff to manage user mailboxes
D.Create an organizational unit （OU） for each office. Place the user accounts for each office into the appropriate OU. Delegate control over each OU to the office’s server administrators. Allow the central IT staff to manager user mailboxes

A.Configure a one-way connection agreement that replicates from the subsidiary’s Exchange 5.5 organization to Active Directory
B.Configure a one-way connection agreement that replicates from Active Directory to the subsidiary’s Exchange 5.5 organization
C.Configure two one-way connection agreements that replicate between the subsidiary’s Exchange 5.5 organization and Active Directory
D.Configure the connection agreement to replicate all objects
E.Configure the connection agreement to replicate only mailboxes
F.Configure the connection agreement to save deletions in an LDAP Data Interchange Format file

A.Install an Exchange 2003 server infrastructure that will support POP3 connections from the Internet. Install a user certificate on each client computer at the retail outlets. Instruct the users to sign and encrypt all outbound e-mail messages
B.Install an Exchange 2003 server infrastructure that will support encrypted POP3 connections from the Internet. Configure the client computer in the retail outlets to use an encrypted connection to the POP3 server
C.Install an Exchange 2003 server infrastructure that will support encrypted Microsoft Outlook Web Access connections from the Internet. Instruct all users at the retail outlets to access their e-mail by using Microsoft Internet Explorer 5.5 or later to connect to the secure Microsoft Outlook Web Access server
D.Install an Exchange 2003 server infrastructure that will support encrypted IMAP4 connections from the Internet. Configure the client computers in the retail outlets to use an encrypted connection to the IMAP4 server