N10-005 · Question #670
A network technician is sent to troubleshoot a phone line in the building. The user reports a dial tone is not available when attempting to place a call. Which of the following tools should the…
The correct answer is D. Toner probe. A toner probe (also called a tone generator and probe kit) is the standard tool for tracing and locating telephone and network cables. When there is no dial tone, the technician needs to trace the physical phone line from the wall jack back through the wiring to identify where…
Question
A network technician is sent to troubleshoot a phone line in the building. The user reports a dial tone is not available when attempting to place a call. Which of the following tools should the technician utilize in this scenario?
Options
- AProtocol analyzer
- BPunch down tool
- CMultimeter
- DToner probe
How the community answered
(55 responses)- A2% (1)
- C4% (2)
- D95% (52)
Explanation
A toner probe (also called a tone generator and probe kit) is the standard tool for tracing and locating telephone and network cables. When there is no dial tone, the technician needs to trace the physical phone line from the wall jack back through the wiring to identify where the break, bad connection, or miswired jack is. A protocol analyzer (A) is used for capturing and analyzing network traffic. A punch down tool (B) is used to terminate cables in patch panels or keystone jacks, not to diagnose them. A multimeter (C) could test for voltage on a line but is less suited for physically tracing a specific cable path through walls and conduit.
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