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Exam 300-630 topic 1 question 110 discussion

Actual exam question from Cisco's 300-630
Question #: 110
Topic #: 1
[All 300-630 Questions]

A Cisco ACI fabric is connected to a switched network that runs Spanning Tree Protocol on VLAN 101. VLANs 101, 102, and 103 are mapped to bridge domain BD10123.
The leaf node that is attached to this switched network receives a spanning-tree topology change notification. Which endpoints does ACI flush?

  • A. all endpoints associated with VLAN 102 or 103 in BD10123 on the spine node
  • B. all endpoints associated with VLAN 101 in BD10123 on the leaf node
  • C. all endpoints associated with VLAN 101, 102, and 103 in BD10123
  • D. all endpoints associated with VLAN 101 in BD10123
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Suggested Answer: C 🗳️
by kamkol at April 20, 2024, 1:08 p.m.

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Brand
6 months, 2 weeks ago
If it's PVST or Rapid-PVST+, the endpoint entries in the EPG(encap-vlan) will be flushed. But if it's MST TCN than all the VLANs inside that MST instance that part of the BD will be flushed.
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kamkol
1 year, 1 month ago
Selected Answer: C
C. all endpoints associated with VLAN 101, 102, and 103 in BD10123 they are part of the same BD, no additional information about EPGs, so i think all will be flushed after receiving TCN
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