NSE7 Advanced Networking and SD-WAN Practice Question
An administrator configures a route map to control redistribution of connected routes into OSPF. The route map uses a prefix list to match routes. After applying the redistribution, no routes are redistributed. What is the most likely oversight?
⚠ Common exam trap
Candidates often assume a route map with a matching prefix list automatically permits routes, forgetting that route maps require an explicit 'permit' action and that the default action is deny, not permit.
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
The route map is missing a 'permit' action, so it denies all routes
The route map used for redistribution into OSPF must have at least one 'permit' statement to allow routes. If only a prefix list is referenced in the route map without an explicit 'permit' action, the implicit deny at the end of the route map blocks all routes. The common mistake is to assume that simply matching with a prefix list is sufficient; however, an explicit 'permit' action is required.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
The route map is missing a 'permit' action, so it denies all routes
Why this is correct
A route map must have an explicit 'permit' action to allow routes; without it, the implicit deny blocks all routes.
- ✗
The prefix list is configured with the wrong sequence number
Why it's wrong here
Incorrect: Prefix list sequence numbers determine the order of evaluation, but a missing permit action is the root cause.
- ✗
OSPF process ID is incorrect
Why it's wrong here
Incorrect: The OSPF process ID is not relevant to route map behavior.
- ✗
The connected routes are not in the routing table
Why it's wrong here
Incorrect: If connected routes are not in the routing table, they cannot be redistributed, but the question implies they are present.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This NSE7 practice question is part of Courseiva's free Fortinet certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the NSE7 exam.