What does the M# of executors" field on the Jenkins master control?

What does the M# of executors" field on the Jenkins master control?
A . Maximum number of jobs which can be run concurrently on attached agents.
B . Number of Java threads that can run Jenkins jobs.
C . Number of external build agents that can be used for jobs run on this Jenkins master.
D . Number of CPU cores configured for this master.
E . Number of jobs that can execute simultaneously on the Jenkins master

View Answer

Answer: E