Which criterion must be met before a route can be redistributed into another routing protocol?

Which criterion must be met before a route can be redistributed into another routing protocol?

• be directly connected
• exist in the routing table
• be learned through a dynamic routing protocol
• be learned from a different routing protocol than the protocol into which it is redistributed
• have an administrative distance that is greater than that of the routing protocol into which it is being redistributed

Exam with this question: CCNP ROUTE (Version 6.0) Chapter 4 Exam