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Exam 300-115 topic 4 question 114 discussion

Actual exam question from Cisco's 300-115
Question #: 114
Topic #: 4
[All 300-115 Questions]

Which statement is true about RSTP topology changes?

  • A. Any change in the state of the port generates a TC BPDU.
  • B. Only nonedge ports moving to the forwarding state generate a TC BPDU.
  • C. If either an edge port or a nonedge port moves to a block state, then a TC BPDU is generated.
  • D. Only edge ports moving to the blocking state generate a TC BPDU.
  • E. Any loss of connectivity generates a TC BPDU.
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Suggested Answer: B 🗳️
by aadeeb at July 23, 2019, 9:59 a.m.

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Bastex
5 years, 7 months ago
B is correct "In RSTP, only non-edge ports that move to the forwarding state cause a topology change." https://www.cisco.com/c/en/us/support/docs/lan-switching/spanning-tree-protocol/24062-146.html#anc19
upvoted 2 times
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GuramM
5 years, 7 months ago
A is Correct
upvoted 1 times
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aadeeb
5 years, 11 months ago
https://www.ccexpert.us/switched-networks/identifying-the-rstp-tcn-process.html
upvoted 1 times
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