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300-420 · Question #400
300-420 Question #400: Real Exam Question with Answer & Explanation
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Advanced Addressing and Routing Solutions
Question
Refer to the exhibit. Which route filtering technique is required within AS64514 to ensure that BGP prefixes originating locally are not accepted from AS64512 or AS64513?
Options
- Aan as-path access-list matching the originating AS number attached to a deny route-map
- Bno prefix-list or as-path access-list filtering technique is to be applied to each neighbor, either
- Ca prefix-list matching the locally originated prefixes attached to a deny route-map statement, with
- Dan as-path access-list matching the originating AS number attached to a deny route-map
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Topics
#BGP#AS-Path Filtering#Route Filtering#Loop Prevention