CompTIA Network+ N10-009 Practice Question

A network technician investigates an issue where a newly installed link between two switches is not coming up. After verifying that both switches are powered on and the ports are enabled, the technician suspects a transceiver mismatch. Each switch supports multi-mode fiber connections. Which of the following could be the reason the link is not working?

  • One switch uses a 1000Base-LX transceiver and the other uses a 1000Base-SX transceiver

  • The switches are configured for different VLANs

  • One of the switches is using a slightly higher firmware version

  • Both switches are using 1000Base-SX transceivers

CompTIA Network+ N10-009
Network Troubleshooting
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