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.