A.物理層,數(shù)據(jù)鏈路層,網(wǎng)絡層,傳輸層,應用層B.物理層,數(shù)據(jù)鏈路層,傳輸層,網(wǎng)絡層,應用層C.物理層,網(wǎng)絡層,數(shù)據(jù)鏈路層,傳輸層,應用層D.數(shù)據(jù)鏈路層,網(wǎng)絡層,傳輸層,物理層,應用層
A.127.19.0.23 B.193.0.25.37 C.225.21.0.11 D.170.23.0.1
A.協(xié)議B.介質(zhì)C.服務D.網(wǎng)絡操作系統(tǒng)