（512）Which two statements correctly describe the relationship among the Scheduler components: job, program, and schedule?(Choose two)

A. A job is specified as part of a program definition

B. A program can be used in the definition of multiple jobs

C. A program and job can be specified as part of a schedule definition

D. A program and schedule can be specified as part of a job definition

答案：（B、D）

解析：

如图可见job，program和schedule三者的关系。