Which of the following connector types is commonly identified by two rows of pins with four in onerow and five in the other?（）
- A、DB-9
- B、RJ-45
- C、SC
- D、BNC
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 connector types is commonly identified by two rows of pins with four in onerow and five in the other?（）
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