A. an event
B. a schedule
C. a program
D. another chain
E. a lightweight job
答案:(B、C、D)
解析:
《Administrator's Guide》 29.6.3
After creating a chain object,you define one or more chain steps.Each step can point to one of the following:
A Scheduler program object
Another chain(a nested chain)
An event schedule,inline event,or file watcher
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