Huawei
H12-891_V1.0 · Question #93
As shown in the figure, in a network running the RSTP protocol, the original root port of the SWC fails and the port is in Down state. At this time, which of the following processes will the network…
The correct answer is C. The standby port on the SWC becomes the new root port and enters the Forwarding state directly. See the full explanation below for the reasoning.
Network Architecture and Design
Question
As shown in the figure, in a network running the RSTP protocol, the original root port of the SWC fails and the port is in Down state. At this time, which of the following processes will the network go through to reach stability?
Exhibit
Options
- ASWC re-elects the root port and directly enters the Forwarding state.
- BThe preliminary port on the SWC becomes the new root port and enters the Forwarding state after
- CThe standby port on the SWC becomes the new root port and enters the Forwarding state directly.
- DSWC re-elects the root port and enters the Forwarding state after learning.
How the community answered
(31 responses)- A6% (2)
- B3% (1)
- C81% (25)
- D10% (3)
Topics
#RSTP#root port failure#alternate port#spanning tree convergence
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