Nokia
4A0-105 · Question #138
4A0-105 Question #138: Real Exam Question with Answer & Explanation
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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
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