You are a messaging professional. Your company uses a Microsoft Exchange Server 2007 messaging system.

The company has offices in Atlanta, New York, and London. A Microsoft Active Directory site has been configured for each office. The Active Directory site configuration is as shown in the exhibit. (Refer to the Exhibit.)

Each office has four Exchange Server 2007 computers. In each office, one computer is dedicated to each of the following roles:

Edge Transport server
Hub Transport server
Mailbox server
Client Access Server

All offices connect to each other through 1.544-Kbps WAN connections. Each office has an Internet connection.

You notice that all e-mail messages between London and New York are being routed through Atlanta.

You need to prevent the routing of e-mail messages between New York and London through Atlanta.

What should you do?

A.
Increase the available time on the Site Link Availability schedule between New York and London.

B.
Set the same cost for each site link.

C.
Increase the site link cost between London and New York.

D.
Modify Edge Subscriptions in the Atlanta office and the New York office.

E.
Modify Edge Subscriptions in the Atlanta office and the London office.