Your network contains an Active Directory domain named contoso.com. The domain contains a domain
controller named DC1 that runs Windows Server 2012 R2. DC1 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 DC1.
You need to ensure that the client computers can obtain IPv4 addresses from DC1.
What should you do?

A.
Disable the Deny filters.

B.
Authorize DC1.

C.
Activate the scope.

D.
Disable the Allow filters.