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CompTIA

N10-009 · Question #401

Several users report poor performance when accessing shared drives on a file server named Filed. While troubleshooting the issue, the network administrator swaps the Ethernet connections between…

The correct answer is B. Speed/duplex mismatch. A speed/duplex mismatch on the switch port leads to collisions and poor throughput, and when the cables were swapped the problem moved with the affected port.

Submitted by anna_se· Mar 6, 2026Network Troubleshooting

Question

Several users report poor performance when accessing shared drives on a file server named Filed. While troubleshooting the issue, the network administrator swaps the Ethernet connections between File01 and another server named File02. Shortly thereafter, users report issues with File02, but File01 is no longer an issue. Which of the following is most likely impacting performance?

Options

  • APort security
  • BSpeed/duplex mismatch
  • CPoE power budget reduction
  • DKeep-alive beacon failure

How the community answered

(31 responses)
  • A
    10% (3)
  • B
    61% (19)
  • C
    6% (2)
  • D
    23% (7)

Explanation

A speed/duplex mismatch on the switch port leads to collisions and poor throughput, and when the cables were swapped the problem moved with the affected port.

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