Your network contains an Active Directory forest named contoso.com. The forest contains a
child domain named corp.contoso.com.
The network has Microsoft Exchange Server 2010 deployed.
You need to create a mail-enabled distribution group.
Which type of group should you create?

A.
global

B.
local

C.
domain local

D.
universal

Explanation:
Universal groups are used to grant permissions on a wide scale throughout a domain tree or
forest. Members of global groups include accounts and groups from any domain in the
domain tree or forest. Only universal groups should be used as mail-enabled groups.