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Computer Networks · Distance Vector and Link-State Routing
Official IIT answer key · IIT Kanpur · Audited Aug 2026
GATE CSE 2023 Q25 · MSQ · 1 mark
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Topic notes
GATE tests Distance Vector (DVR) and Link State Routing (LSR) through two primary lenses: step-by-step mathematical trace of Bellman-Ford vector updates and conceptual comparison of protocol implementations (RIP vs. OSPF). 2-mark questions focus on iterative distance vector computations after link cost changes or link failures, including routing loop and count-to-infinity dynamics. 1-mark questions evaluate protocol architecture, transport layer encapsulation, algorithmic complexity, and convergence properties.
Full Distance Vector and Link-State Routing guide →Which of the following statements is/are INCORRECT about the OSPF (Open Shortest Path First) routing protocol used in the Internet?
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