From the exam objectives, we can see that it is one of the first topics to learn in studying for the ACMP exam. Therefore its better to understand what does it means and how it works
What is Aruba Mobile First Architecture means?
An excerpt from the summary of Aruba Mobile First Architecture, it defines as “it allows organizations to gracefully transition their existing network to a software-defined enterprise, enabling new features and functionality while supporting legacy systems.”
You can read the full information from below link.