Question 491 · 871 in bank
A technician is troubleshooting network connectivity from a wall jack. Readings from a multimeter indicate extremely low ohmic values instead of the rated impedance from the switchport. Which of the following is the MOST likely cause of this issue?
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Answer: C
Explanation
The most likely cause of extremely low ohmic values (indicating a short circuit) instead of the rated impedance from the switchport is a short circuit within the cabling or the network equipment. Explanation: Short circuit: A short circuit occurs when there is an unintended connection between two conductors or components that are not supposed to be electrically connected. This can result in extremely low resistance (ohmic value), causing a significant current flow. In the context of network cabling, a short circuit could occur due to damaged or frayed cables, improper termination, or physical damage to the cabling infrastructure.
Source: Adapted from community discussion — actingnurse1
