你可能感興趣的試題

In an Ethernet network, under what two scenarios can devices transmit? （）

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

多項(xiàng)選擇題

以下那些是安全審計(jì)工具（）

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