N10-009 Question #267: Real Exam Question with Answer & Explanation

Question

Which of the following types of routes will take precedence when building a routing table for a given subnet?

Options

• AStatic
• BBGP
• COSPF
• DDefault

Explanation

The question asks which route type is given highest priority when a router builds its routing table for a particular destination subnet.

Common mistakes.

• B. BGP routes have a higher administrative distance than static routes, meaning they are typically less preferred.
• C. OSPF routes have a higher administrative distance than static routes, meaning they are typically less preferred.
• D. A default route (0.0.0.0/0) is the least specific route and is only used as a last resort when no other more specific route (including static, OSPF, or BGP routes) matches the destination IP address.

Concept tested. Routing table precedence (Administrative Distance and Prefix Length)

Reference. https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/iproute_fnd/configuration/xe-16-5/iri-xe-16-5-book/iri-cfg-static-routes.html

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