
Appendix A: Glossary
Q
quarantine The isolation of endpoints or systems to prevent potential infection of other endpoints or systems. The NAC 800 determines whether to quarantine an endpoint by applying the following policies in this order: access mode, tempo- rarily quarantine/grant access setting, exceptions, NAC policies (the results of tests in the policy).
quarantine all An access mode that mandates that all endpoints be quarantined regardless of test results.
quarantine The way in which
and DHCP quarantine method. The quarantine method must be the same as the deployment method.
quarantine subnet A tightly controlled subnet that is isolated from the rest of the network. Quarantined endpoints are assigned to this subnet where the endpoints cannot access network resources except those that are defined by the network administrator.
QoS Quality of Service. A service provided by some network protocols such that the network prioritizes traffic or guarantees a particular level of performance to a type of data flow.
R
radio port See RP.
RADIUS Remote Authentication
RADIUS server A common type of AAA server. The RADIUS server authenticates