Cisco Network Admission Control (NAC) is a service that tries to guarantee that various endpoints are compliant with the network security polices enforced by network devices (i.e., firewalls, switches, or routers). Cisco NAC provides access to compliant devices and then it ensures that non-compliant devices are denied access, are placed in quarantine, or are given restricted access to certain resources.
NAC is an important part of the Enterprise Network’s security policies and it focuses on two main areas of security enforcement:
- Security of operating systems
- Security of applications that run inside the operating . . .
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