You are running a two-instance database with six redo log groups defined and decide to add a third thread to support a third database instance on the third node of the cluster. Which three commands would you issue to achieve this using command line administration?
(Choose three.)
A.
ALTER SYSTEM ENABLE THREAD 3;
B.
ALTER DATABASE ENABLE THREAD 3;
C.
ALTER SYSTEM ADD LOGFILE THREAD 3 GROUP 8;
D.
ALTER SYSTEM ADD LOGFILE THREAD 3 GROUP 7;
E.
ALTER DATABASE ADD LOGFILE THREAD 3 GROUP 7;
F.
ALTER DATABASE ADD LOGFILE THREAD 3 GROUP 8;