DRAG DROP
You have an Office 365 tenant that uses an Enterprise E3 subscription.
You must prevent five specific users from using Skype for Business Online to send instant messages to
external users. All other users must be able to send instant messages to both internal and external users.
You need to configure the environment.
Which three actions should you perform in sequence? To answer, move the appropriate actions from the list of
actions to the answer area and arrange them in the correct order.
Select and Place:
Answer: 
Explanation:
To configure external communications for individual usershttps://technet.microsoft.com/en-us/library/dn771172.aspx
Incorrect, you can only select Users in the “Users” page, so the correct answer is:
1.
2.
3.
Agreed: See bottom of page “Turn off external communication for specific individuals”
https://support.office.com/en-gb/article/Allow-users-to-contact-external-Skype-for-Business-users-b414873a-0059-4cd5-aea1-e5d0857dbc94
1,2,3 Correct.