Which wireless technology would A customer choose to position them for bandwidth-intensive applications?（）

A.to provide users with A single device that permits access to information anywhere
B.to provide users with the same productivity and access to information no matter where are or which device they use
C.to eliminate the need for border security and firewalls
D.to provide companies with A way to extend their security and control over employees on the internet

A.video
B.intercompany communications
C.covergence protocols
D.dedicated networking
E.clod computing
F.enterprise social networking
G.interoperability

A.7000 series routers
B.integrated services routers
C.small business pro routers
D.small business routers