Terms you'll need to understand:
MAXLOGFILES
MAXLOGMEMBERS
MAXLOGHISTORY
MAXDATAFILES
MAXINSTANCES
GLOBAL_NAME
DBA_DATA_FILES
V$CONTROLFILE
V$DATABASE
V$DATAFILE
V$LOG
V$LOGFILE
Concepts you'll need to master:
Explain the uses of the control file
List the contents of the control file
Multiplex the control file
Manage the control file
Obtain control file information
Manage the control file with Oracle Managed Files