单选题Which of the following tools would be the BEST to check connectivity of a CAT5 cable？（）A Tone generatorB MultimeterC Punch-down toolD Cable tester
题目
单选题
Which of the following tools would be the BEST to check connectivity of a CAT5 cable？（）
A
Tone generator
B
Multimeter
C
Punch-down tool
D
Cable tester
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参考答案和解析
正确答案：
A
解析：
暂无解析