A network administrator is troubleshooting a newly installed Ethernet network that is experiencing slower than expected data transfer rates and intermittent connectivity issues. After ruling out hardware failures and configuration errors, the administrator suspects that signal interference might be causing the problem. Which of the following would be the BEST next step to confirm if crosstalk is the issue?
Configure a VLAN to separate noisy traffic and decrease broadcast domains.
Use a cable tester to check for crosstalk in the Ethernet cables.
Increase the power settings on the network routers and switches to boost signal strength.
Replace the Ethernet cables with fiber-optic cables to test if the issue persists.
Using a cable tester to check for crosstalk specifically targets the possibility of signal interference between wires inside the same cable, which could lead to the issues described. It would provide direct evidence if crosstalk is present, differentiating it from other potential causes such as external electromagnetic interference or improper cable shielding, which would require different investigative tools.
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What is crosstalk in Ethernet cables?
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How does a cable tester identify crosstalk?
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What other factors can cause slow data transfer rates aside from crosstalk?