CWNP Exam Questions

What two devices, when implemented together, will give XYZ Company the features that will allow them

Given: XYZ Company has decided to install an 802.11 WLAN system that will support 250 wireless users, but they are concerned about network security. They have decided to implement three mandatory security mechanisms: 1) Role-Based Access Control, 2) 802.1X/PEAP, and 3) Bandwidth Management.
What two devices, when implemented together, will give XYZ Company the features that will allow them to meet their security goals? Choose 2

A.
RADIUS Authentication Server

B.
Wireless Intrusion Prevention System

C.
Wireless LAN Controller

D.
Wireless Mesh Router System

E.
Distributed Spectrum Analyzer

F.
Ethernet Router with Integrated Firewall