HOTSPOT
You have an Exchange Server 2013 organization that contains two servers named EX1 and EX2. EX1 and EX2
are members of a database availability group (DAG) named DAG1.
You need to identify the last several times that a mailbox database named MBX1 failed over from EX1 to EX2.
What command should you run? To answer, select the appropriate options in the answer area.
Hot Area:
Answer: 
Explanation:
https://technet.microsoft.com/en-us/library/dd351258(v=exchg.150).aspx