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发布时间:2023-12-01 06:54:31

[单项选择]Which of the following is the BEST tool to troubleshoot a DB-9 port?()
A. Ohm meter
B. Anti-static wrist strap
C. Oscilloscope
D. Loopback plug

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[单项选择]Which of the following statements would best serve as an introduction to the passage
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[单项选择]Which of the following facts is best supported by the passage
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