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Question 146/156
Which technology relies on STP as a failsafe mechanism?
Correct Answer: D
Explanation/Reference:
Explanation:
vPC technology allows to build a loop free topology by levering port-channel from access device to vPC domain. A port-channel is seen as a logical link from STP standpoint so vPC domain with vPC-attached access device globally form a star topology at L2 (there is no STP blocked ports in this type of topology).
For that case, STP is used as a fail-safe mechanism to protect any network loop caused by human error (like plugging a loopback cable across the 2 vPC peer device).
Reference: https://www.cisco.com/c/dam/en/us/td/docs/switches/datacenter/sw/design/vpc_design/ vpc_best_practices_design_guide.pdf
Explanation:
vPC technology allows to build a loop free topology by levering port-channel from access device to vPC domain. A port-channel is seen as a logical link from STP standpoint so vPC domain with vPC-attached access device globally form a star topology at L2 (there is no STP blocked ports in this type of topology).
For that case, STP is used as a fail-safe mechanism to protect any network loop caused by human error (like plugging a loopback cable across the 2 vPC peer device).
Reference: https://www.cisco.com/c/dam/en/us/td/docs/switches/datacenter/sw/design/vpc_design/ vpc_best_practices_design_guide.pdf
- Question List (156q)
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- Question 146: Which technology relies on STP as a failsafe mechanism?...
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