You have a hosted Exchange organization that contains 10，000 mailboxes.All servers in the organization have Exchange Server 2010 Service Pack 1 （SP1） installed. You need to retrieve the following information for the organization：  
（1）The IP addresses of all client connections  
（2）The network latency for all MAPI connections  
（3）The version of Microsoft Outlook that is used to access all of the mailboxes 
What should you use？（）