Which feature is required?

An engineer must configure OSPF in the data center.

The external routes have already been redistributed OSPF. The network must meet these criteria:

* The data centre servers must reach services in the cloud and the services behind the redistributed routes.

* The exit point toward the internet should be propagated only when there is a dynamically learned default route from the upstream router.

Which feature is required?
A . Default-information originate
B . Stubby area
C . Totally stubby area
D . Default-information originate always

Answer: A

Explanation:

https://learningnetwork.cisco.com/s/question/0D53i00000Kt544/defaultinformationoriginate-always