Vendor: Nokia
Exam Code: 4A0-103
Exam Name: Nokia Multiprotocol Label Switching
Certification: Nokia Certifications
Total Questions: 249 Q&A
Updated on: Jun 14, 2026
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Which of the following is NOT an advantage of MPLS shortcuts for BGP traffic?
A. It makes use of MPLS resiliency features available within an AS.
B. It eliminates double route lookups on all routers within an AS.
C. It eliminates the need to run IGP on all routers within an AS.
D. It eliminates the need for an iBGP full mesh on all core routers.
Which of the following is NOT required to configure an Alcatel-Lucent 7750 SR as a PE router running 6PE?
A. Configure BGP with the IPv6 address family.
B. Configure BGP to add IPv6 Explicit Null labels.
C. Configure a route policy to export IPv6 routes into BGP.
D. Configure the nexthop core router as a BGP peer.
Which of the following best describes downstream on demand label distribution?
A. An LSR answers requests for label mappings immediately, without waiting for a label mapping from the next-hop.
B. An LSR advertises label mappings to all peers for which it might be a next-hop for a given FEC.
C. An LSR distributes a label mapping for a FEC when it has been requested to do so.
D. An LSR propagates a label mapping downstream for a FEC. only if it has a label mapping for the FEC's next-hop.
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