Which of the following is the MOST common pin-out configuration used when crimping RJ-45 connectors？（）
- A、UTP
- B、T568A/B
- C、STP
- D、IEEE 802.5
正确答案:B
答案解析:有
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CompTIA认证考试
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Which of the following is the MOST common pin-out configuration used when crimping RJ-45 connectors？（）
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