How can CronJobs be started or aborted? Note: There are 3 correct answer to this question.

How can CronJobs be started or aborted? Note: There are 3 correct answer to this question.
A . CronJobs can be started manually using flexible search.
B. CronJobs can be aborted automatically if a configurable time threshold is exceeded.
C. CronJobs can be started manually via the Backoffice administration perspective.
D. CronJobs can be aborted only if implemented as abortable.
E. CronJobs can be started manually via the command line by running "ant runcronjob".

Answer: C,D,E