Which approach can be used to migrate the rules?

A deployment professional needs to migrate test rules developed in a test QRadar deployment to a production QRadar deployment.

Which approach can be used to migrate the rules?
A . Use the Use Case Manager to sync rules between the two deployments.
B . Use the Content Management Tool (CMT) to migrate the specific rules.
C . Use rsync to copy the /store/postgres/ directory that contains configurations.
D . Create a configuration backup, copy it to the production system, and import/restore the backup configuration.

Answer: B