A.Broadcast frames are never sent to swiches.
B.Broadcast addresses use an incorrect format for the switching table.
C.A broadcast address will never be the source address of a frame.
D.Broadcasts only use network layer addressing.
E.A broadcast frame is never forwarded by a switch.
A.分組層
B.數(shù)據(jù)鏈路層
C.物理層
D.傳輸層
E.網(wǎng)絡(luò)層