Exam Prep Questions

Question 1 When troubleshooting a home wiring system, which type of test equipment is used to detect and locate breaks on a cable?

  • A. A volt/ohmmeter

  • B. A sniffer

  • C. A spectrum analyzer

  • D. A TDR

A1: The correct answer is D. A TDR is an electronic tester that can be used to detect and locate breaks, shorts, or open circuits on a cable. Answer A is incorrect because a volt/ohmmeter is used to measure volts and ohms. Although an ohmmeter can detect an opening in a cable, it is not designed to provide the location of a cable anomaly. Answer B is incorrect because a sniffer is a test instrument used to analyze the content of a packet or frame on a network. A typical protocol analyzer/sniffer includes a PC, a network card, and an application ...

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