100-140 Exam Dumps | During network troubleshooting, a technician needs to determine why a laptop connects to the network

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Question 157/301

During network troubleshooting, a technician needs to determine why a laptop connects to the network via WLAN but not when using a LAN cable.
What should be examined first?

A. Ensure the laptop's network adapter is enabled and supports Ethernet

B. Replace the WLAN router as it might be causing interference

C. Update the laptop's operating system to the latest version

D. Check the network credentials stored on the laptop

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