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Exam 100-105 topic 1 question 181 discussion

Actual exam question from Cisco's 100-105
Question #: 181
Topic #: 1
[All 100-105 Questions]

Which characteristics are representative of a link-state routing protocol? (Choose three.)

  • A. provides common view of entire topology
  • B. exchanges routing tables with neighbors
  • C. calculates shortest path
  • D. utilizes event-triggered updates
  • E. utilizes frequent periodic updates
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Suggested Answer: ACD 🗳️
Each of routers running link-state routing protocol learns paths to all the destinations in its "area" so we can say although it is a bit unclear.
Link-state routing protocols generate routing updates only (not the whole routing table) when a change occurs in the network topology so
Link-state routing protocol like OSPF uses Dijkstra algorithm to calculate the shortest path -> . Unlike Distance vector routing protocol (which utilizes frequent periodic updates), link-state routing protocol utilizes event-triggered updates (only sends update when a change occurs) ->
by [deleted] at April 2, 2025, 2:53 p.m.

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