Which two statements about wireless LAN controllers are true? (Choose two.)
A. They can simplify the management and deployment of wireless LANs.
B. They rely on external firewalls for WLAN security.
C. They are best suited to smaller wireless networks.
D. They must be configured through a GUI over HTTP or HTTPS.
E. They can manage mobility policies at a systemwide level.
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I want explanation for this Q!!??
THe wireless Lan Controllers WLC The control plane is the magic that lets a collection of wireless access points (APs) work as a single network. The controller gathers all of the control plane data and sends out marching orders to the individual APs. Depending on the type of controller and how the network is configured, the controller may also process all data plane traffic as well, which has its own benefits and limitations.
Without the control plane, wireless access points would be individual islands of coverage with no coordination or centralized management.