What are the communication ports used by the GSS for inter-GSS communication?
A.
UDP 2001-2009 and UDP 3001-3009
B.
UDP 2001-2009 and TCP 2001-2009
C.
UDP 3001-3009 and TCP 3001-3009
D.
UDP 3001-3009 and TCP 2001-2009
E.
TCP 2001-2009 and TCP 3001-3009