A.when they receive a special token B.when there is a carrier C.when they detect no other devices are sending D.when the medium is idle E.when the server grants access
A.思科一步鎖閉 B.安全審計(jì)向?qū)?br /> C.思科自動(dòng)安全 D.一鍵關(guān)閉
A.NIC B.BIA C.OUI D.VAI