You have an Active Directory forest. You plan to deploy an Exchange Server 2010 organization that
contains the following servers:
• Two Edge Transport servers
• Two Hub Transport servers
You need to recommend changes to the organization to ensure that e-mail messages can be sent to
the Internet if a single transport server fails. What should you recommend?

A.
Configure shadow redundancy for the Hub Transport servers.

B.
Implement failover clustering on both Hub Transport servers.

C.
Configure both Edge Transport servers as source servers for a Send connector.

D.
Create one mail exchange (MX) record and one SRV record for each Edge Transport server in the
internal DNS zone.

Explanation:
Send connectors create a logical connection to remote e-mail systems and are responsible for
outbound transmission of e-mail messages. If you use the EdgeSync process, it will configure the
Send connectors required for mail flow to the Internet and to the Edge Transport servers in your
Microsoft Exchange Server 2010 organization. If your organization requires a Send connector with
specific configuration options, or if you don’t use the EdgeSync process, you must manually
configure Send connectors.