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.