Which two actions should you perform?

You have a hybrid deployment of Exchange Server 2013 and Microsoft Office 365. The
Exchange Server organization has a mailbox size limit of 2 GB. You need to provide
engineers with the ability to retain certain email messages indefinitely. The solution must
meet the following requirements:
Ensure that the engineers can access the retained email messages by using Outlook Web App.
Ensure that the retained email messages do not apply to the mailbox size limit of the engineers.
Minimize the storage requirements of the on-premises servers.
Which two actions should you perform? (Each correct answer presents part of the solution.
Choose two.)

A.
From Office 365, create Archive mailboxes.

B.
Instruct the engineers to create a personal folder.

C.
Create a retention policy.

D.
From the on-premises Exchange Server 2013 organization, create Archive mailboxes.

E.
Create a data loss prevention (DLP) policy.

Explanation:
C:

D:
In Exchange Server an archive mailbox is a second mailbox provisioned for a user that is
separate to their primary user mailbox.
You are an administrator for an international finance company.
You plan to deploy an Exchange Server 2013 organization.
The company’s compliance policy requires that all users be prevented from sending email
messages that contain more than one bank account number to external recipients.