Your company has one office in New York. The office is configured as an Active Directory site.

All domain controllers in the forest run Windows server 2003 SP2. All client computers run Windows XP SP2.

You have an Exchange Server 2003 organization. All servers in the organization run Exchange Server 2003 SP1.

You plan to deploy Exchange Server 2010 SP1 servers to the network.

You need to ensure that you can install the first Exchange Server 2010 SP1 server.

What should you do first?

A.
Install Windows Server 2008 R2.

B.
Install Windows 7.

C.
Add a mail exchanger (MX) record to the public DNS zone.

D.
Run setup /nprs:server5.

E.
Run setup /mode:upgrade.

F.
Run setup /r:mt.

G.
Suppress link state updates.

H.
Modify the smart host settings.

I.
Modify the Internet Information (IIS) authentication settings.

J.
Add a mail exchange (MX) record to the internal DNS zone.
K.
Install Exchange Server 2003 SP2.
L.
Run setup /rps:server5.

Explanation:
All Exchange Server 2003 servers need to be SP2.