You have two groups of managers that need to hold Meet-Me conferences. You want each group to have access to a range of 10 Meet-Me numbers. What are the two best ways to accomplish this? (Choose two.)

A.
Ensure that the 10 Meet-Me conference numbers overlap with existing ad hoc conferencing numbers.

B.
Create two different partitions and add both groups of 10 Meet-Me conference numbers to the partitions.

C.
Create two groups of 10 Meet-Me conference numbers that do not overlap with any other number in the numbering plan.

D.
Create a different partition for each group of managers and assign a set of 10 Meet-Me conference numbers to each.

E.
Create two different groups of Meet-Me conference numbers, add them to the <None> partition, and add the <None> partition to the two manager groups to provide limited access.