TCP/IP网络模型的分层由下至上分别是
A.物理层、网际层、传输层和应用层
B.网络接口层、传输层、网际层和应用层
C.数据链路层、网际层、传输层和应用层
D.网络接口层、网际层、传输层和应用层
正确答案是D
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