Holst NAC is used to authenticate devices as they join your network, check if your devices are running up to date software if not then it will quarantine the device, NAC can also be used for contextual authentication the answer here would be NAC.

From NIST 800-41: “Another common requirement for firewalls at the edge of a network is to perform client checks for incoming connections from remote users and allow or disallow access based on those checks. This checking, commonly called network access control (NAC) or network access protection (NAP), allows access based on the user’s credentials...” “NAC has also become a popular method for firewalls to allow or deny users access to particular network resources. In addition, application firewalls and proxies can allow or deny access to users based on the user authentication within the applications themselves.”