Which two actions should you perform?

You are the Office 365 administrator for your company.
The company has established the following new requirements:
Members of the legal team must be able to conduct eDiscovery searches.
Employees must be notified when they send email messages that contain confidential information.
You need to configure the environment.
Which two actions should you perform? Each correct answer presents part of the solution.

A.
Configure journaling to a Microsoft Exchange Online mailbox for all mailboxes.

B.
Add the members of the legal team to the Discovery Management role group.

C.
Create a Data Loss Prevention policy.

D.
Place all executive mailboxes on In-Place Hold for 365 days and use In-Place eDiscovery for mailbox searches.

E.
Enable Microsoft Exchange Online Archiving for the executive mailboxes.

F.
Place all executive mailboxes on Retention Hold.