You have an Exchange Server 2010 Service Pack1 organization. The organization contains
a Hub Transport server named Server1 and an Edge Transport sever named Server2. All
servers are configured to use an internal DNS server named DNS1 for host resolution. You
configure an Edge Subscription from Server1 to Server2.
You need to modify the delayed acknowledgment (ACK) setting of Server2.
What should you do?

A.
From the Exchange Management Console (EMC), modify the properties of the accepted
domain.

B.
From the Exchange Management Console (EMC), create a transport rule.

C.
From the Exchange Management Shell, run the Set-TransportServer cmdlet.

D.
From the Exchange Management Shell, run the Set-ReceiveConnector cmdlet.

E.
From the Exchange Management Console (EMC), disable the IP Block List feature.

F.
From the Exchange Management Shell, run the Set-TransportAgent cmdlet.

G.
From the Exchange Management Shell, run the Set-TransportConfig cmdlet.

H.
From the Exchange Management Console (EMC), modify the properties of the remote
domain.

Explanation:
http://technet.microsoft.com/en-us/library/hh529935.aspx