Q1
Single choice
Your Exchange Server 2007 organization is configured in two Active Directory sites named Site1 and Site2. Site1 is configured for the 10.10.5.0/24 subnet, and Site2 is configured for the 10.10.20.0/24 subnet.
The Exchange servers in the two sites are shown in the following table.

ExchCAS1 fails. Site2 users report that they are unable to access Microsoft Office Outlook Web Access ( OWA ) .
You need to restore OWA service to Site2 users.
What should you do?