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300-410 Practice Question: Runs the following command to troubleshoot a…
A network engineer runs the following command to troubleshoot a Policy-Based Routing (PBR) issue:
R1# show ip policy Interface Route-map
FastEthernet0/0 PBR-MAP Serial0/0 PBR-MAP
What does this output indicate?
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 same route-map is applied to multiple interfaces, which may lead to unintended policy routing.
The output shows that the same route-map PBR-MAP is applied to both FastEthernet0/0 and Serial0/0. This could cause unexpected behavior if the route-map uses interface-specific conditions.
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 same route-map is applied to multiple interfaces, which may lead to unintended policy routing.
Why this is correct
The output lists PBR-MAP attached to both FastEthernet0/0 and Serial0/0. Reusing one route-map across interfaces means identical policy routing logic applies to unrelated traffic paths, which can redirect packets unexpectedly and cause the reported PBR issue.
- ✗
PBR is applied globally.
Why it's wrong here
The listing shows PBR-MAP bound to two named interfaces, which is interface-level policy routing, not a global configuration. Global PBR would appear as a route-map applied under global configuration without interface bindings. The output confirms per-interface application on FastEthernet0/0 and Serial0/0.
- ✗
The route-map PBR-MAP is misconfigured.
Why it's wrong here
The output merely lists interfaces bound to PBR-MAP, confirming the route-map is applied; it reveals nothing about the map's contents, so misconfiguration cannot be inferred. It is tempting because a broken route-map would produce PBR faults, but verifying that requires show route-map PBR-MAP, which displays the actual match and set clauses.
- ✗
PBR is only active on FastEthernet0/0.
Why it's wrong here
The output lists PBR-MAP attached to both FastEthernet0/0 and Serial0/0, so policy routing is enabled on both interfaces. Reading it as FastEthernet0/0-only ignores the second table row. Interface-level PBR would be the answer if only one interface appeared in the listing.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This 300-410 practice question is part of Courseiva's free Cisco 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 300-410 exam.