Cisco 100-105 Exam

What does administrative distance refer to?

  • A. the cost of a link between two neighboring routers
  • B. the advertised cost to reach a network
  • C. the cost to reach a network that is administratively set
  • D. a measure of the trustworthiness of a routing information source
Answer: Option D.

Administrative distance is the first criterion that a router uses to determine which routing protocol to use if two protocols provide route information for the same destination. Administrative distance is a measure of the trustworthiness of the source of the routing information. The smaller the administrative distance value, the more reliable the protocol.

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