mediumMultiple ChoiceObjective-mapped
300-410 Practice Question: Examine the following configuration on R6: !---…
Examine the following configuration on R6:
!--- R6 configuration route-map FILTER deny 10 match tag 50 ! route-map FILTER permit 20 !
router eigrp 200
distribute-list route-map FILTER in !
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
✓
All routes with tag 50 are denied; all other routes are permitted.
The distribute-list route-map FILTER in is applied to EIGRP updates received on all interfaces (since no interface is specified). Sequence 10 denies any route with tag 50. Sequence 20 permits all other routes. Therefore, routes with tag 50 are filtered out (not installed in the routing table), while all other routes are accepted.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
All routes with tag 50 are denied; all other routes are permitted.
Why this is correct
Correct. Sequence 10 denies routes with tag 50; sequence 20 permits everything else.
- ✗
Routes with tag 50 are permitted; all other routes are denied.
Why it's wrong here
Incorrect. Sequence 10 denies tag 50; sequence 20 permits others.
- ✗
The distribute-list is applied only to the first interface; routes with tag 50 are filtered on that interface.
Why it's wrong here
Incorrect. Without an interface keyword, the distribute-list applies to all interfaces.
- ✗
The configuration is invalid because route-maps cannot be used with distribute-list in EIGRP.
Why it's wrong here
Incorrect. Route-maps can be used with distribute-list in EIGRP for filtering.
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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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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