Nokia
4A0-105 · Question #138
Click on the exhibit below. In the diagram below, SAP 1 is put into the blocking state as a result of the spanning tree protocol. What will occur in the VPLS instance if SAP 2 goes down and SAP 1…
The correct answer is D. An LDP control message will be sent to all devices in the mesh participating in the VPLS. See the full explanation below for the reasoning.
Question
Click on the exhibit below. In the diagram below, SAP 1 is put into the blocking state as a result of the spanning tree protocol. What will occur in the VPLS instance if SAP 2 goes down and SAP 1 transitions to the forwarding state? Select the most accurate statement.
Exhibit
Options
- AA Spanning Tree BPDU will be sent across the mesh flushing the FDB table in all devices
- BStale information will be used within the VPLS instance to forward traffic until the FDB ages out.
- CAn LDP control message will be sent to all devices in the mesh participating in the VPLS
- DAn LDP control message will be sent to all devices in the mesh participating in the VPLS
How the community answered
(51 responses)- A2% (1)
- B12% (6)
- C6% (3)
- D80% (41)
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