Your network contains an Active Directory domain named contoso.com. The network contains a DHCP server named DHCP1.
You add a new network segment to the network.
On the new network segment, you deploy a new server named Server1 that runs Windows Server 2012 R2.
You need to configure Server1 as a DHCP Relay Agent.
Which server role should you install on Server1?
To answer, select the appropriate role in the answer area.

Your network contains an Active Directory domain named contoso.com. The domain contains 20 computer accounts that reside in an organizational unit (OU) named OU1.
A Group Policy object (GPO) named GPO1 is linked to OU1. GPO1 is used to assign several user rights to a user named User1.
In the Users container, you create a new user named User2.
You need to ensure that User2 is assigned the same user rights as User1 on all of the client computers in OU1.
What should you do?（）