Practice Quiz

CompTIA Security+ Exam Prep

Category - Communication

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The two main types of routing protocols are used to make routing decision based on either distance-vector routing protocols or link-state routing protocols. However, there are a handful of De facto and proprietary interior protocols in use. Which De facto protocol uses link-state algorithms to send out routing table information?
  1. Routing Information Protocol
  2. Open Shortest Path First
  3. Interior Gateway Routing Protocol
  4. None of the Above
Explanation
Answer: B - Open Shortest Path First (OSPF) is a De facto protocol using link-state algorithms to send out routing table information. The use of algorithms allow for smaller, more frequent routing table updates to take place. This provides a more stable network than Routing Information Protocol, but requires more memory and CPU resources to support the extra processing. OSPF allows for a hierarchical routing network that has a backbone link connecting all subnets together.
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