Nokia MPLS Practice Questions - Nokia Multiprotocol Label Switching (4A0-103) Exam

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Which MPLS reserved label tells the upstream LSR to perform Penultimate Hop Popping (PHP) and is the default Nokia SR OS behavior?

0 (IPv4 Explicit Null) 1 (Router Alert) 2 (IPv6 Explicit Null) 3 (Implicit Null)

Correct Answer:

3 (Implicit Null)

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