大学MOOC Computer Network Technology and Application(Nanjing University of Posts and Telecommunications)1458208169 最新慕课完整章节测试答案
Week 1 (Total Video Duration 121'09'', 16 Videos)
Quiz
1、单选题:
Which is at the bottom layer in the OSI/RM?
选项:
A: Physical Layer
B: Network Layer
C: Transport Layer
D: Application Layer
答案: 【 Physical Layer】点我阅读全文
