Which statement is true about the upgrade process of a Junos Fusion system?
A. The Junos OS version will match on all devices of the Junos Fusion system.
B. The Junos OS version will only be upgraded on the aggregation devices.
C. The Junos OS on the aggregation and satellite devices must be upgraded individually.
D. Junos OS on the satellite devices is automatically upgraded as part of the process.