DRAG DROP
You have an Exchange Server 2013 organization that has Information Rights Management
(IRM) configured. Users report that they cannot apply IRM protection to email messages from
Outlook Web App.
You verify that the users can protect the messages by using IRM from Microsoft Outlook.
You need to recommend a solution to ensure that the users can protect email messages by using
IRM from Outlook Web App. Which four actions should you recommend? To answer, move the four
appropriate actions from the list of actions to the answer area and arrange them in the correct
order.
Answer: 
Here’s the corresponding TechNet articles that confirm these are the correct steps:
https://technet.microsoft.com/en-us/library/ee424431(v=exchg.150).aspx
https://technet.microsoft.com/en-us/library/dd876891(v=exchg.150).aspx
reasons to add the federated mailbox to the ADRMS super users group:
•IRM in Microsoft Office Outlook Web App
•IRM in Exchange ActiveSync
•Journal report decryption
•Transport decryption