You have a single node Cloud Volumes ONTAP (CVO) system in AWS.
In this scenario, which two activities will cause system downtime? (Choose two.)
A. Change the disk type of a volume from HDD (st1) to SSD (gp2).
B. Change the Cloud Volumes ONTAP EC2 instance type.
C. Upgrade the Cloud Volumes ONTAP system software.
D. Apply a new Cloud Volumes ONTAP license.