what two things would you do to accomplish this goal?

Refer to the exhibit. A network administrator wants to reduce the number of OSPF routes advertised from Area 1 into Area 2.
As the router configuration specialist, what two things would you do to accomplish this goal? (Choose two.)

Select 2 response(s).

A.
Enter the configuration on router B1.

B.
Enter the configuration on router B4.

C.
On the same router, enter the Summary-address 10.10.1.0 255.255.255.128 subcommand.

D.
On the same router, enter the Area 1 range 10.10.1.0 255.255.255.128 subcommand.

E.
On the same router, enter the Area 2 range 10.10.1.0 255.255.255.128 subcommand.