DRAG DROP
Your company has an Office 365 subscription and uses Microsoft Exchange Online.
You are creating several Exchange objects to meet different requirements.
You need to ascertain the correct recipient type for each object based on the description.
Which recipient type best matches each description? To answer, drag the appropriate recipient types to the correct targets. Each recipient type may be used once, more than once, or not at all. You may need to drag the split bar between panes or scroll to view content.
Select and Place:
organizations that exist outside the Exchange organization. Each mail contact has an external email address. email address. A mail user is similar to a mail contact, except that a mail user has Active Directory logon credentials and can access resources (can log in to the Office 365 portal). allow access for multiple users. used only to distribute messages to a group of recipients. https://technet.microsoft.com/en-us/library/bb201680(v=exchg.150).aspx
Answer: 
Explanation:
A mail contact is a mail-enabled Active Directory contact that contains information about people or
All messages sent to the mail contact are routed to this external email address.
A mail user is a mail-enabled Active Directory user that represents a user outside the Exchange organization.
Each mail user has an external email address. All messages sent to the mail user are routed to this external
A shared mailbox is a mailbox that is not primarily associated with a single user and is generally configured to
A distribution group or distribution list is a mail-enabled Active Directory distribution group object that can be
References: