Your network contains an Exchange Server 2010 SP1 organization named contoso.com.
The organization contains a Client Access server named Server1 and a domain controller
named DC1. All client computers run Windows 7 Professional. All users access their
calendar and download their email messages by using Windows Mail.
You need to modify the TCP port on the Exchange server used by the Windows Mail clients.
What should you do?

A.
run the Set-PopSettings cmdlet

B.
run the Set-OfflineAddressBook cmdlet

C.
modify the properties of the Exchange ActiveSync virtual directory

D.
Modify the Redirect.aspx file

E.
modify the properties of the Client Access server object

F.
run the New-OwaMailboxPolicy cmdlet

G.
modify the properties of the offline address book (OAB) virtual directory

H.
run the New-ActiveSyncMailboxPolicy cmdlet

I.
modify the Casredirect.aspx file

J.
modify the properties of the OWA virtual directory
K.
run the Set-ImapSettings cmdlet
L.
run the Export-ExchangeCertificate cmdlet

Explanation:

http://technet.microsoft.com/en-us/library/aa996347.aspx
http://technet.microsoft.com/en-us/library/bb676455.aspx
http://technet.microsoft.com/en-us/library/bb123530.aspx