Network Access Control (NAC) involves multiple roles to enforce security policies. The HCSP-Presales-Campus Network Planning and Design V1.0 documentation defines these roles as:
Admission Device: This is the network device (e.g., switch or AP) that enforces access control policies and initiates authentication (e.g., as an 802.1X authenticator). It is a key NAC component.
User Terminal: The endpoint device (e.g., laptop, smartphone) requesting network access. It interacts with the admission device and often runs a supplicant for authentication.
User: While the user is the human entity accessing the network, NAC terminology focuses on technical components (devices and servers) rather than the user as a "role" in the process.
[Reference: HCSP-Presales-Campus Network Planning and Design V1.0, Section on NAC Architecture and Roles., , ]
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