What is a valid reason for an administrator to set the MC to master-local mode?

A Mobility Controller (MC) runs ArubaOS 8. What is a valid reason for an administrator to set the MC to master-local mode?
A. The company needs to manage third-party network infrastructure devices with the use of the master controller interface.
B. The company already has a partially hierarchical deployment based on the 6.x code and wants to keep the current architecture.
C. The company requires a centralized licensing architecture that provides global license pools.
D. The company wants a deployment architecture that allows administrators to configure all MC settings from a single location.

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