Cisco 200-125 Exam

Which two switch states are valid for 802.1w? (Choose two.)

  • A. listening
  • B. backup
  • C. disabled
  • D. learning
  • E. discarding
Answer: Option D. E.
Explanation: 

Port States –
There are only three port states left in RSTP that correspond to the three possible operational states. The 802.1D disabled, blocking, and listening states are merged into a unique 802.1w discarding state.

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