What should you include in the recommendation?

In Europe, your company has one main office and five branch offices. In Asia, the company has one
main office and five branch offices. Each main office contains a data center.
The network contains an Active Directory forest. The forest contains a single domain named
contoso.com. Each office is configured as an Active Directory site.
All client computers are joined to the domain.
You plan to deploy Exchange Server 2013 servers to both data centers.
You need to recommend a client connectivity solution that meets the following requirements:
Users who connect from the Internet must be configured automatically to connect to their mailbox
by using Outlook Anywhere.
Users from the branch offices must use Outlook Anywhere to connect to the Client Access servers in
their respective region.
What should you include in the recommendation?

A.
A service connection point (SCP) in Active Directory and a host (A) record in the public DNS zone

B.
A service location (SRV) record in the internal DNS zone and a service location (SRV) record in the
public DNS zone

C.
A service connection point (SCP) in Active Directory and an inbound port rule for TCP 389

D.
A service location (SRV) record in the public DNS zone and an inbound port rule for TCP 389