DRAG DROP
You have an Exchange Server organization named adatum.com. The organization contains
servers that have Exchange Server 2010 and Exchange Server 2013 installed. The
company executives require that all email messages remain stored for three years. You
create two retention tags named Ret1 and Ret2. Ret1 moves the email messages to an
Archive mailbox after one year. Ret2 permanently deletes the email messages after three
years. You need to meet the company executives’ requirements. The solution must ensure
that all email messages that are older than two years are removed as quickly as possible.
Which three actions should you perform in sequence? (To answer, move the appropriate
three actions from the list of actions to the answer area and arrange them in the correct order.)
Answer: 
Explanation:
Add retention tags to a new retention policy
Assign the retention policy by running the Set-Mailbox cmdlet
Run the Start-ManagedFolderAssistant cmdlet
Cliff is correct.
Yes, clint is correct.
Set-Mailbox cmdlet makes the policy working on specic time interfalls.
But:
The solution must ensure
that all email messages that are older than two years are removed as quickly as possible.
Therefor you have to use Run the Start-ManagedFolderAssistant cmdlet as third, to run the policy immediatly.