220-801 Question #1172: Real Exam Question with Answer & Explanation

The correct answer is A: Use a USB to RJ-45 dongle. A USB to RJ-45 (Ethernet) dongle is an external network adapter that plugs into a USB port and provides a working wired Ethernet connection, bypassing the faulty internal NIC entirely. This is the fastest and least invasive solution. Enabling Bluetooth (B) is a short-range wirele

Question

A laptop has a network port that is not working consistently and wireless is out of range. Which of the following would the technician do to quickly get the laptop back on the wired network?

Options

AUse a USB to RJ-45 dongle
BEnable Bluetooth
CEnable NIC teaming
DReplace the motherboard

Explanation

A USB to RJ-45 (Ethernet) dongle is an external network adapter that plugs into a USB port and provides a working wired Ethernet connection, bypassing the faulty internal NIC entirely. This is the fastest and least invasive solution. Enabling Bluetooth (B) is a short-range wireless technology not suitable for wired network connectivity. NIC teaming (C) combines multiple NICs for redundancy or throughput but requires multiple working NICs and is not a quick fix. Replacing the motherboard (D) is an extreme, expensive, and time-consuming repair that should only be considered as a last resort.

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