Which of the following are characteristics of Calendars? Note: There are 2 correct answers to this

Which of the following are characteristics of Calendars? Note: There are 2 correct answers to this

question.
A . You CANNOT delete a period once a Pipeline has been run for that period.
B . Leaf periods on a Calendar CANNOT contain gaps or overlap.
C . You can change the dates of a period after a Pipeline has been run without causing a disconnect in the results.
D . You can have two rules with the same name, as long as they are on different Calendars.

Answer: A, B