Your network contains an Active Directory domain named contoso.com. The domain contains a domain
controller named DC2 that runs Windows Server 2012. DC2 has the DHCP Server server role installed.
DHCP is configured as shown in the exhibit. (Click the Exhibit button.)

You discover that client computers cannot obtain IPv4 addresses from DC2.
You need to ensure that the client computers can obtain IPv4 addresses from DC2.
What should you do?

A.
Enable the Allow filters.

B.
Authorize DC2.

C.
Disable the Deny filters.

D.
Restart the DHCP Server service.