What should an administrator consider when planning to revert Panorama to a pre-PAN-OS®8.1 version?
A . Panorama cannot be reverted to an earlier PAN-OS®release if variables are used in templates or template stacks.
B . An administrator must use the Expedition tool to adapt the configuration to the pre-PAN-OS®8.1 state.
C . When Panorama is reverted to an earlier PAN-OS®release, variables used in templates or template stacks will be removed automatically.
D . Administrators need to manually update variable characters to those used in pre-PAN-OS®8.1.
Answer: A