Which condition must be met before Route Refresh messages can be sent to a BGP peer?

A.
The soft reconfiguration feature must be enabled.

B.
The BGP peer must advertise Route Refresh capability.

C.
The Outbound Route Filter (ORF) feature must be enabled.

D.
The BGP peer must have enough memory to store a copy of the original update.

Explanation:
The peer must announce it is capable of refresh. Without this capability soft config or refresh could not be enabled.
Wrong
1. A Not necessary for outbound. Most important to have capability
2. C ORF optimizes the performance of refresh
3. D Copy is stored local, ORF will cause update to be stored on peer