Which three statements about Oracle RAC background processes are correct?
A.
ACMS (Atomic Controlfile to Memory Service) is an agent that contributes to ensuring that a
distributed SGA memory update is either globally committed on success or globally aborted if a
failure occurs.
B.
GTXO-j (Global Transaction Process) controls the flow of messages to remote instances, manages
global data block access, and transmits block images between the buffer caches of different
instances.
C.
LMON (Global Enqueue Service Monitor) monitors global enqueues and resources across the
cluster and performs global enqueue recovery operations.
D.
LMD (Global Enqueue Service Daemon) manages incoming remote resource requests within each
instance.
E.
LMS (Global Cache Service Process) manages non-Cache Fusion resource requests such as library
and row cache requests.
F.
LCK0 (Instance Enqueue Process) manages background slave process creation and communication
on remote instances.
Explanation:
https://docs.oracle.com/cd/E24693_01/rac.11203/e16795/admcon.htm(About Oracle
RAC background processes)