How can this be done?

A deployment professional in charge of a large deployment with replicated reverse proxy instances needs to keep junctions, template files, and configuration settings in sync between the instances.

How can this be done?
A . Setup appliance clustering and issue server sync all
B . Setup appliance clustering and issue server cluster sync
C . Setup a master reverse proxy instance and issue server task source-instance sync target-instance
D . Setup a master reverse proxy instance and issue server task target-instance sync source-instance

Answer: C