Which of the following identity access methods creates a cookie on the first login to a central authority to allow logins to subsequent applications without re-entering credentials?

A wireless network uses a RADIUS server that is connected to an authenticator, which in turn connects to
a supplicant. Which of the following represents the authentication architecture in use?

The IT department is deploying new computers. To ease the transition, users will be allowed to access their old and new systems. The help desk is receive reports that users are experiencing the following error when attempting to log in to their previous system:
Logon Failure: Access Denied
Which of the following can cause this issue?

Exercising various programming responses for the purpose of gaining insight into a system's security posture without exploiting the system is BEST described as:

An information security analyst needs to work with an employee who can answer questions about how data for a specific system is used in the business. The analyst should seek out an employee who has the role of: