Which AAA feature can automate record keeping within a network?

A.
TACACS+

B.
authentication

C.
authorization

D.
accounting

Explanation:
In AAA, accounting refers to the record-keeping and tracking of user activities on a computer
network. For a given time period this may include, but is not limited to, real-time accounting of time
spent accessing the network, the network services employed or accessed, capacity and trend
analysis, network cost allocations, billing data, login data for user authentication and authorization,
and the data or data amount accessed or transferred.
Reference: http://www.techopedia.com/definition/24130/authentication-authorization-andaccounting-aaa