大学MOOC 计算机网络(厦门大学)1450585164 最新慕课完整章节测试答案
一、物理层
第01课 传输介质
1、单选题:
To reduce the interference caused by random electromagnetic radiation, communication systems DO NOT use ______.
选项:
A: twisted pair wiring
B: parallel pair wiring
C: coaxial cable
D: none of above
答案: 【 parallel pair wiring】点我阅读全文

选项: