Your network contains a server named Server1 that runs Windows Server 2012. Server1 has the DHCP Server
server role installed.
All of the client computers that are in a subnet named Subnet1 receive their IP address configurationsfrom
Server1.
You plan to add another DHCP server named Server2 to Subnet1.
You need to recommend changes to the DHCP infrastructure to ensure that the client computers continue to
receive IP addressing information if a single DHCP server fails.
What should you do?
More than one answer choice may achieve the goal. Select the BEST answer.

A.
Create a Network Load Balancing (NLB) cluster.

B.
Configure Failover for the scope.

C.
Create a DHCP failover cluster.

D.
Create a split scope.

Explanation:
http://blogs.technet.com/b/keithmayer/archive/2012/10/28/step-by-step-scoping-out-the-new-dhcp- failoverinwindows-server-2012-31-days-of-favorite-features-part-28-of-31.aspx#.UQhW-b-jbK0