A network engineer is building a LAN design that includes Cisco NAC. What two characteristics of an out-of-band NAC deployment are important to consider when evaluating it for the design? (Choose two.)
A. supported by a limited number of switch models
B. never in-line with user traffic
C. aggregate client traffic is constrained to NAC server port speed
D. recommended if sharing ports between IP phones and PCs
E. supports real IP gateway (routed mode)
as per https://www.cisco.com/c/en/us/td/docs/security/nac/appliance/configuration_guide/48/cam/48cam-book/m_oob.html correct answers would be A and E