Your company has a main office and 10 branch offices. Each office connects to the Internet by using a direct link. The main office connects to the branch offices by using a WAN link. You plan to deploy Exchange Server 2010 servers in each office. You need to design Active Directory to meet the following Exchange Server 2010 requirements: .Users must be able to access their mailboxes if a single domain controller fails .Users must be able to send e-mail messages to the Internet if a WAN link fails What should you include in the design?()
- ACreate an Active Directory site for each office. Deploy two global catalog servers in each site.
- BCreate an Active Directory site for each office. Deploy a single domain controller in each site,and then enable site link bridging.
- CCreate an Active Directory site for all of the offices. Deploy a global catalog server and a read-only domain controller in each site.
- DCreate an Active Directory site for all of the offices. Deploy a global catalog server and two read- only global catalog servers in each Active Directory site.