Rachael, a network administrator, has disabled STP on the local network. Which of the following is MOST likely the cause of a recent spike in duplicate traffic?

  • VLAN mismatch
  • Mismatch MTU
  • Incorrect subnet mask
  • Switching loop

CompTIA Network+ N10-006
  • Network Architecture
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  • Network operations
  • Network security
  • Troubleshooting
  • Industry standards, practices, and network theory