Nokia
4A0-105 · Question #33
4A0-105 Question #33: Real Exam Question with Answer & Explanation
The correct answer is C. The l-SID in the l-TAG is inspected to determine where the frame should be delivered.. See the full explanation below for the reasoning.
Question
When a PE node receives a PBB encapsulated frame on a B-VPLS, how does the PE determine which l-VPLS it belongs to?
Options
- AThe l-TAG in the l-SID is inspected to determine where the frame should be delivered.
- BWhen the B-MAC header is stripped the customer MAC address is then looked up in the FDB
- CThe l-SID in the l-TAG is inspected to determine where the frame should be delivered.
- DThe PE inspects the service label in the MPLS header before stripping the B-MAC header.
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