ACMA Controller Architecture 3

Question 1

Which Aruba controller feature automatically optimizes channel and power settings for APs in the network?

Accepted Answer

ARM

Answer

ARM (Adaptive Radio Management) dynamically adjusts AP channel selection and transmit power to optimize coverage and minimize interference.

Question 2

What is a Virtual Mobility Controller (MC-VA) in Aruba's product line?

Accepted Answer

A software-based controller deployed on a hypervisor

Answer

The MC-VA is Aruba's virtualized controller that runs as a VM on standard hypervisors such as VMware ESXi or KVM.

Question 3

In Aruba's Master-Local controller architecture (pre-Mobility Master), what is the primary function of the Master Controller?

Accepted Answer

Distribute configuration and policies to Local Controllers

Answer

The Master Controller in the legacy architecture distributes configuration and manages Local Controllers, similar to how Mobility Master functions in newer deployments.

Question 4

Which port does CAPWAP control traffic use by default?

Accepted Answer

UDP 5246

Answer

CAPWAP control messages between APs and the controller use UDP port 5246 by default.

Question 5

What does CAPWAP data traffic (AP-to-controller tunneled user data) use by default?

Accepted Answer

UDP 5247

Answer

CAPWAP data traffic is carried over UDP port 5247, separate from the control channel on UDP 5246.

(ACMA) Aruba Certified Mobility Associate Practice Test

(ACMA) Aruba Certified Mobility Associate Practice Test

ACMA Controller Architecture 3