Which of the following are consequences of a work process reservation for class “A” jobs? There are 2 correct answers to this question.

Which of the following are consequences of a work process reservation for class “A” jobs? There are 2 correct answers to this question.
A . A dedicated background work process is reserved for class "A" jobs.
B . Class "A" jobs are started with a higher probability at their planned start time.
C . Class "B" and class "C" jobs can encounter delays.
D . When all background work processes of an SAP system are reserved for class "A" jobs, jobs of classes "B" and "C" will be automatically promoted to class "A".

Answer: B,C