How can DSM/SCM be used to manage multiple software configurations on a single system?

A.
Add an additional logical target and an alternate $SYSTEM disk.
B.
Add a second archive disk to hold the newly created configuration.
C.
Copy the production logical target to a newly created logical target.
D.
Runinitenv and configure the max configurations parameter to a value that is greater than 1,
then add an additional configuration.