3.8 Authentication / Authorization

Question 1

Captive Portal

Answer 1

Captive portals usually rely on 802.1x, and 802.1x uses RADIUS for authentication

Question 2

ABAC

Answer 2

Attribute-based access control (ABAC) provides the most detailed and explicit type of access control over a resource because it is capable of making access decisions based on a combination of subject and object attributes, as well as context-sensitive or system-wide attributes. Information such as the group membership, the OS being used by the user, and even the machine’s IP address could be considered when granting or denying access