Which of the following channels, when used in close proximity to one another, provide the BESTprotection against crosstalk?（）
- A、1 and 11
- B、2 and 10
- C、6 and 1
- D、6 and 11
正确答案:A
答案解析:有
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CompTIA认证考试
CompTIA认证考试
Which of the following channels, when used in close proximity to one another, provide the BESTprotection against crosstalk?（）
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