Question 951 of 1,958
mediumMultiple ChoiceObjective-mapped
350-401 Practice Question: Router bgp 65000 bgp router-id 10.0.0.1 neighbor…
router bgp 65000
bgp router-id 10.0.0.1
neighbor 10.0.0.2 remote-as 65001 neighbor 10.0.0.2 route-map FILTER in
! route-map FILTER deny 10 match ip address prefix-list BLOCKED route-map FILTER permit 20 !
ip prefix-list BLOCKED seq 5 permit 10.0.0.0/8
! What is the effect of this configuration?
⚠ Common exam trap
Cisco often tests the interaction between route-map sequence numbers and the implicit deny at the end of a route-map, leading candidates to forget that a permit statement with no match (like sequence 20) is needed to allow all other routes through.
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 from neighbor 10.0.0.2 are accepted except those matching 10.0.0.0/8.
The route-map FILTER is applied inbound from neighbor 10.0.0.2. Sequence 10 denies routes that match the prefix-list BLOCKED, which permits 10.0.0.0/8. Sequence 20 is a permit statement with no match, which implicitly permits all other routes. Therefore, only routes matching 10.0.0.0/8 are denied, and 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 from neighbor 10.0.0.2 are accepted except those matching 10.0.0.0/8.
Why this is correct
Correct. The deny statement blocks the specific prefix, and the permit allows everything else.
- ✗
Only routes matching 10.0.0.0/8 are accepted from the neighbor.
Why it's wrong here
Incorrect. The first statement denies that prefix.
- ✗
The configuration is invalid because route-map must have a permit statement first.
Why it's wrong here
Incorrect. Route-maps can start with deny.
- ✗
The prefix-list is misconfigured because it should use 'deny' instead of 'permit'.
Why it's wrong here
Incorrect. The prefix-list permits the prefix for matching; the route-map then denies it.
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Last reviewed: Jun 24, 2026
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