You execute the following command to create two consumer groups, FIN_GROUP1 and PAY_GROUP1, for a plan,PROD_PLAN:  BEGIN  DBMS_RESOURCE_MANAGER.CREATE_SIMPLE_PLAN (SIMPLE_PLAN => ’prod_plan’,  CONSUMER_GROUP1 => ’fin_group1’,  GROUP1_CPU => 80,  CONSUMER_GROUP2 => ’pay_group1’,  GROUP2_CPU => 20);  END;  Which three statements are true?()
A:SYS_GROUP gets 100% CPU resources at level 1.
B:FIN_GROUP1 gets 80% CPU resources at level 1.
C:FIN_GROUP1 gets 80% CPU resources at level 2.
D:PAY_GROUP1 gets 20% CPU resources at level 1.
E:PAY_GROUP1 gets 20% CPU resources at level 2.
F:OTHER_GROUP gets 100% CPU resources at level 1.
G:OTHER_GROUP gets 100% CPU resources at level 2.
出自:Oracle认证