为确保局域网网络传输安全可靠，综合布线工作完成后应进行布线系统测试，其中，（）不属于非屏蔽双绞线（电缆）测试内容。

2023-09-01

A.收发功率测试
B.回波损耗
C.链路长度
D.近端串扰

参考答案：A

对UTP链路测试主要有以下内容：接线图、链路长度、衰减、近端串扰NEXT损耗、连线长度、衰减量、近端串扰（NEXT）、结构回波损耗（Structural Return Loss，SRL）、回波损耗（Return Loss，RL）、特性阻抗（Characteristic Impedance）、衰减串扰比（ACB）。

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