A.專用線路 B.點(diǎn)對(duì)點(diǎn) C.點(diǎn)對(duì)多點(diǎn) D.交換
A.802.1x B.802.11i C.802.3 D.802.15
A.拒絕服務(wù) B.入侵 C.攔截 D.ARP欺騙