What is Cisco WCS Navigator?

What is Cisco WCS Navigator?

A.
a single point of management for multiple Cisco WCS servers

B.
a server for storing and reviewing Cisco Spectrum Expert station data

C.
a server for storing the location data of wireless clients

D.
a GUI for displaying the data of Cisco CleanAir APs, aligned with an uploaded map

E.
a single point of management for multiple Cisco WLC systems