Network TroubleshootingQuestion 82 of 100
Users on one switch experience slow performance, and the interface shows a rising count of CRC errors. What does this most likely indicate?
a.A DNS resolution delay
b.An exhausted DHCP scope
c.A misconfigured default route
d.A cabling or physical layer fault
Explanation
Rising CRC errors point to a physical layer problem such as a damaged cable, bad connector, or electromagnetic interference corrupting frames. Replacing the cable and checking for interference sources is warranted. CRC errors indicate frames arriving corrupted.
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