HOTSPOT
Your network contains two Active Directory sites named Site1 and Site2. You have an
Exchange Server 2013 organization that contains six servers. The servers are configured as
shown in the following table.
All of the mailbox databases replicate to all of the servers. Users in Site1 connect to sitelmail.contoso.com to access their mailbox. Users in 5ite2 connect to site2-mail.contoso.com
to access their mailbox. All of the users use Microsoft Outlook 2013. You need to identify
which DNS modification must be made to fail over the email services from Site1 to Site2.
Which DNS modification should you identify? (To answer, select the appropriate record to
modify and the new data for the record in the answer area.)
Answer: 
Explanation: