考试
2020-03-15 20:33:29

6308 ●Which is the second laye

题目描述

●Which is the second layer from the bottom in Open System Interconnection Reference Model?



●Which is the second layer from the bottom in Open System Interconnection Reference Model? (71).

(71) A. Application

B.Data link

C.Network

D.Session

请帮忙给出正确答案和分析,谢谢!

答案解析

00****80 B

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