Which two statements are true regarding Checkpoints on Aruba switches? (Choose two.)

Which two statements are true regarding Checkpoints on Aruba switches? (Choose two.)
A . Rolling back to a prior checkpoint triggers a reboot of the switch.
B . Stacking switches using VSF or VSX will disable the Checkpoint feature.
C . A checkpoint is a snapshot of the running-configuration and relevant metadata at the time the checkpoint was created.
D . System-generated checkpoints are created after a configuration change and 5 minutes of inactivity.
E . Checkpoints are available on AOS 5400R switches, as well as on all AOS-CX switches.

Answer: C,E