A.物理層與數(shù)據(jù)鏈路層 B.會話層、表示層和應用層 C.數(shù)據(jù)鏈路層、網(wǎng)絡層和傳輸層 D.物理層、數(shù)據(jù)鏈路層和網(wǎng)絡層
A.網(wǎng)絡層 B.會話層 C.數(shù)據(jù)鏈路層 D.傳輸層
A.DDN B.VLAN C.WAP D.Adhoc