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Exam BL0-100 topic 1 question 35 discussion

Actual exam question from Nokia's BL0-100
Question #: 35
Topic #: 1
[All BL0-100 Questions]

What functionality is applied by SDN to find an alternative path in case of failure in the Transport Network?

  • A. Path Correlation Engine
  • B. Alternative Route Finding
  • C. Alternative Path Computing
  • D. Path Computation Engine
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Suggested Answer: C 🗳️
by 1d95f23 at May 21, 2025, 7:13 a.m.

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1d95f23
3 weeks, 4 days ago
Selected Answer: D
Explanation: In Software Defined Networking (SDN), the Path Computation Engine (PCE) is responsible for: Calculating optimal paths through the transport network based on various constraints (e.g., latency, bandwidth, topology). Recomputing alternative paths dynamically in case of link or node failures, ensuring service continuity and network resilience. The PCE is often integrated with the SDN controller and plays a critical role in traffic engineering, fault recovery, and dynamic resource optimization.
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