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Exam 600-660 topic 1 question 53 discussion

Actual exam question from Cisco's 600-660
Question #: 53
Topic #: 1
[All 600-660 Questions]

What are two characteristics of Cisco ACI and Spanning Tree Protocol interaction? (Choose two.)

  • A. When a TCN BPDU is received in a VLAN, Cisco ACI flushes the endpoints for the associated encapsulation.
  • B. STP BPDUs are dropped due to MCP.
  • C. MST BPDUs are flooded correctly in Cisco ACI fabric without additional configuration.
  • D. BPDU filter and BPDU guard can be configured on Cisco ACI leaf edge ports.
  • E. Cisco ACI must be configured as the STP root for all VLANs.
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Suggested Answer: DE 🗳️
Reference:
https://www.cisco.com/c/en/us/td/docs/switches/datacenter/aci/aci_virtual_edge/configuration/1-x/b_Virtual_Edge_Config_Guide_1_2_2/ b_Virtual_Edge_Config_Guide_1_2_2_chapter_0101.html
by biquette at April 17, 2022, 11:52 p.m.

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biquette
3 years ago
Selected Answer: AD
TCNs generated from switches running Spanning-tree will cause ACI to flush endpoints from EPGs in which they are received. BPDUguard and Portfast should be enabled on every non-switch port.
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