When upgrading probes, what does the UPGRADE.SH script do?

A.
It reinstalls the probes.

B.
It migrates probes data to the $NCHOME/omnibus/probes/migrated directory.

C.
It reinstalls the probes and migrates data to the $NCHOME/omnibus/probes/migrated directory.

D.
It creates new configuration files of the probes in the $NCHOME/omnibus/probes/migrated directory.