Which two statements are true concerning the default communication between a redundant pair of BIG-IP systems? (Choose two.)
A. Synchronization occurs via a TCP connection using ports 683 and 684.
B. Connection mirroring data is shared via a TCP connection using port 1028.
C. Persistence mirroring data is shared via a TCP connection using port 1028.
D. Connection mirroring data is shared through the serial fail-over cable unless network fail-over is enabled.