A.Forwarding of messages and requests to all participants (broadcast)

B.Guaranteed message transmission

C.The applications can lock objects are release locks again.

D.Support for message server failover

E.Communication between different services

F.It manages the lock table in the main memory and receives requests for setting or releasing locks

A.External commands

B.Executable ABAP programs

C.ABAP transactions

D.Function modules

E.External programs

A.As part of the ABAP dispatcher

B.Only on the central instance

C.On both instances

D.As part of the Internet Communication Manager (ICM)