A.網(wǎng)絡層 B.物理層 C.數(shù)據(jù)鏈路層 D.會話層
A.應用層、傳輸層、網(wǎng)絡層 B.應用層、傳輸層、數(shù)據(jù)鏈路層 C.會話層、傳輸層、網(wǎng)絡層 D.會話層、傳輸層、數(shù)據(jù)鏈路層
A.192.178.16.0 B.128.168.16.0 C.172.15.16.0 D.198.168.16.0