A network administrator notices an increase in CRC errors on a network interface. What is the BEST first step in troubleshooting this issue?
Update the network drivers and firmware
Reconfigure the switch VLAN assignments
Check the network cables for damage or misconfiguration
Increase the bandwidth allocation for affected connections
CRC errors are usually indicative of physical layer issues such as cabling problems or electrical interference. Therefore, examining the quality of the cables used, checking for bends, breaks, or poor connections, and ensuring correct cable specifications are followed, serves as the most direct approach to addressing and resolving CRC errors. Other options might also be part of broader troubleshooting steps, but they do not directly address the common causes of CRC errors as effectively as checking the physical setup does.
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