In on Avaya Surge™ solution, how many ONAs are supported on each HyperSec Gateway?

Which certificate is used to secure the communication between the ODL Controller and ONA?

Each ONA follows an ONA Life Cycle Management to describe its states.
When the ONA is in the Ready state, which statement is true?

Avaya Surge™ IoT Controller manages certificates for the ONA onboardlng process.
Which certificate is being used to sign the IoT device certificate?

While ordering the license File for Avaya Surge™ loT Controller, and before applying that license on the Avaya Surge™ Administration user Interface, which precaution must an administrator take?