Which capabilities does the USB 2.0 Docking Station provide to HP ProBook notebooks? (Select
three.)

A.
an HDMI video adapter

B.
a DVI video adapter

C.
an auxiliary external power connection

D.
audio connectivity options

E.
battery charging capability

F.
an Ethernet network connection

Explanation:
http://www.hp.com/hpinfo/newsroom/press_kits/2009/Mobility2009/DS_PortReplicator.pdf(page 2, see key features)