Which set of logs would best help an administrator troubleshoot Outlook client connectivity issues with the Enterprise Vault server?

Which two Exchange server roles require installation of Veritas Enterprise Vault 12.3 for Exchange extensions to provide users access to their archived content via Outlook Web Access (OWA) in a mixed Microsoft Exchange 2003 and 2007 environment? (Select two.)

An organization has several new staff members.
Which two methods allow the administrator to enable a new user's already provisioned mailbox in Veritas Enterprise Vault 12.3 ? (Select two.)

In which two instances is a check for secured items performed on NTFS Partitions if Use the Archive attribute is set? (Select two.)

An administrator notices the number of messages being archived per hour by the Exchange Journal Task is significantly lower than normal when compared to the baseline archiving rate. Which two explanations could be the cause of the performance reduction? (Select two.)