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Free CompTIA Network+ N10-008 Practice Question

A network administrator is investigating a high number of input errors on an interface of a router. The issue is causing slow network performance. Upon closer inspection, the administrator notices that the CRC counter is incrementing. What is the most likely cause of the CRC errors?

  • Duplex mismatch between the router interface and the switch port.

  • Faulty cables, ports, or network interface cards (NICs).

  • Excessive broadcast traffic overloading the interface buffer.

  • Incorrect clock rate configured on the router interface.

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Network Operations
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CompTIA Network+ N10-008
  • Networking Fundamentals
  • Network Implementations
  • Network Operations
    • This question is filed here
  • Network Security
  • Network Troubleshooting