In this scenario, which statement is true?

You are designing a network management strategy for a new network.

The requirements for the management of network devices are shown below:

– Administrator passwords must have an expiration date.

– Administrators must be assigned role-specific privileges on each device.

In this scenario, which statement is true?
A . Local authentication must be used on each device.
B . A centralized AAA system must be used for authentication.
C . All devices must be configured with the same privilege levels.
D . Each user must have a unique login account.

Answer: B