You need to ensure that the clients can be assigned IP addresses from DC1

Your network contains a server named DC1 that has the DHCP Server server role installed.

You discover that clients are not being assigned IP addresses from DC1.

You open the DHCP console as shown in the exhibit. (Refer to the Exhibit.)

You need to ensure that the clients can be assigned IP addresses from DC1.

What should you do?

A.
Compact the database.

B.
Configure DHCP link layer-based filtering.

C.
Configure a DHCP Relay Agent.

D.
Restore the database from a backup.

E.
Configure Routing Information Protocol version 2 (RIPv2) on the router

F.
Increase the database cleanup interval.

G.
Configure Open Shortest Path First (OSPF) on the router

H.
Configure name protection.

I.
Reconcile the scope.

J.
Modify the start address.

K.
Authorize DC1 in Active Directory.