Which type of route requires a router to perform a recursive lookup?
- A level 1 network route that is using a next-hop IP address on a router that is using CEF
- A level 2 child route that is using an exit interface on a router that is not using CEF
- A parent route on a router that is using CEF
- An ultimate route that is using a next-hop IP address on a router that is not using CEF
Explanation: When Cisco Express Forwarding (CEF) is not being used on a router, a recursive lookup must be performed when a route using a next-hop IP address is selected as the best pathway to forward data.
Exam with this question: CCNA 2 v6 Chapter 3: Check Your Understanding
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