Your network contains an Active Directory forest named contoso.com and two Active Directory sites
named Site1 and Site2. You plan to deploy an Exchange Server 2010 Service Pack 1 (SP1)
organization. An independent consultant recommends a design for the Exchange Server 2010 SP1
deployment as shown in the following table.

You plan to replicate the mailbox databases from Site1 to Site2. You need to identify which Exchange
server configuration will provide the ability to replicate the mailbox databases. What should you
identify?

A.
a Hosts file on EX1, EX2, EX3, and EX4

B.
delayed acknowledgments (ACKs)

C.
local continuous replication (LCR) on EX1, EX2, EX3, and EX4

D.
a single copy cluster (SCC)

E.
Edge Transport server cloned configuration

F.
Datacenter Activation Coordination (DAC) mode

G.
an activation preference for a database

H.
shadow redundancy

I.
a DNS server on DC2

J.
DNS round robin on DC1 and DC2
K.
EdgeSync synchronization
L.
a database availability group (DAG)