多项选择题
A. Schedule objects
B. Program arguments
C. Job classes
D. Job arguments
E. All of the above
单项选择题 Which of the following is not a valid setting for the PROGRAM_TYPE parameter in a program object or the JOB_TYPE parameter in a job object?（）
多项选择题 Which of the following are valid program types for a lightweight job?（）
多项选择题 Which of the following objects can be directly referenced by a window object? （）