What is the objective of the Cisco Compatible Extensions program?

A.
to provide access to proprietary Cisco IOS software code in order to expand the number
of vendors writing wireless code

B.
to provide Cisco engineers with the opportunity to certify that any wireless devices that
are made by third parties are compatible with Cisco wireless products

C.
to provide customers with a broad range of WLAN client devices that have been tested for
interoperability with Cisco Aironet innovations

D.
to provide third parties with Cisco hardware in order to encourage the development of
radical innovation in the area of wireless