After an Avaya Aura Communication Manager (CM) upgrade, a customer called Avaya support because their H.323 telephones were unable to login. Support was able to confirm that the telephones had not been upgraded.
Which pre-implementation step was omitted?

What are two functions performed by System Manager? (Choose two.)

In which two ways can you verify the Avaya Aura Communication Manager (CM) license status? (Choose two.)

A customer calls Avaya support after their telecom administrator was unable to add 50 new telephones for new hires. Avaya support determines that the number of telephone exceeds the capacity that the system supports.
Which pre-installation step was omitted and therefore caused this problem?

Avaya support is monitoring a Communication Manager that is going down several times per day. They discover a software error that keeps triggering an auto restart.
Which Communication Manager command can be used to determine the root cause?