An Administrator Needs to Implement Multiple Configuration Changes on a Set

An administrator needs to implement multiple configuration changes on a set of Aruba Mobility Controllers (MCs) that involve both VLAN and interface configurations at the same time. The controllers are deployed in a cluster. How can the administrator accomplish this task?

A) Apply pending changes, and schedule the changes to occur at a similar time.
B) Create a template and deploy the changes by use of the bulk configuration update feature.
C) Use AirWave to deploy the changes to respective controllers in the cluster.
D) Use the Live Update (in-service update) feature for a cluster of controllers.