Question 447 of 2,011
mediumMultiple ChoiceObjective-mapped
300-410 Practice Question: Examine the following partial configuration on…
Examine the following partial configuration on R1:
!--- R1 configuration route-map RMAP permit 10 match ip address prefix-list PL-1 set metric 100 ! route-map RMAP permit 20 set metric 200 !
router eigrp 100 network 10.0.0.0
redistribute ospf 1 metric 1000 100 255 1 1500 route-map RMAP !
What is the effect of this configuration?
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
✓
Routes matching prefix-list PL-1 are redistributed with metric 100; all other OSPF routes are redistributed with metric 200.
The route-map RMAP has two permit sequences. The first matches prefix-list PL-1 and sets metric to 100. The second is a catch-all permit with no match, setting metric to 200. All redistributed OSPF routes will match either sequence and have their metric set accordingly. If a route matches the first sequence, its metric is set to 100; otherwise, it matches the second and gets metric 200. There is no deny sequence, so no routes are filtered.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Only routes matching prefix-list PL-1 are redistributed into EIGRP with metric 100; all other OSPF routes are denied.
Why it's wrong here
Incorrect. The second permit sequence (20) with no match clause acts as a catch-all permit, so all routes are redistributed.
- ✓
Routes matching prefix-list PL-1 are redistributed with metric 100; all other OSPF routes are redistributed with metric 200.
Why this is correct
Correct. Sequence 10 matches PL-1 and sets metric 100; sequence 20 matches all other routes and sets metric 200.
- ✗
The route-map is missing a deny statement; without it, all routes are permitted with default metric.
Why it's wrong here
Incorrect. A route-map without a deny statement still permits routes; the set actions apply as configured.
- ✗
The route-map is applied to redistribution, but the metric values are ignored because redistribute command also specifies metric.
Why it's wrong here
Incorrect. When a route-map is used with redistribute, the set metric in the route-map overrides the metric specified in the redistribute command.
Visual reference
Quick reference
Routing Protocol Comparison
| Protocol | Metric | Max Hops | Algorithm | Type |
|---|---|---|---|---|
| RIP v2 | Hop count | 15 | Bellman-Ford | Distance vector |
| OSPF | Cost (bandwidth) | Unlimited | Dijkstra (SPF) | Link state |
| EIGRP | Composite metric | Unlimited | DUAL | Hybrid |
| IS-IS | Cost | Unlimited | Dijkstra | Link state |
| BGP | Policy / attributes | Unlimited | Path vector | Path vector |
RIP's 15-hop limit makes it unsuitable for large networks. OSPF and EIGRP dominate modern enterprise deployments.
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Last reviewed: Jun 18, 2026
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