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300-510 · Question #110
300-510 Question #110: Real Exam Question with Answer & Explanation
The correct answer is B: At the end ip as-path access-list 10 permit .* must be included. See the full explanation below for the reasoning.
Routing Policy and Manipulation
Question
Refer to me exhibit. Refer to the exhibit. A network engineer sets up a multihoming eBGP topology where multiple Autonomous Systems connect to ASN 64501. The engineer wants to block all the routes coming from ASN 64502 but allow all the others. For that purpose, the following AS Path prefix list is being used: (config)#ip as-path access-list 10 deny _64502$ What must be fixed to achieve this result?
Options
- AThe AS-PATH filter must be defined inside the route-map mode
- BAt the end ip as-path access-list 10 permit .* must be included
- CThe statement must be modified with ip as-path access-list 1 deny _64502_
- DThe statement must CM modified with ip as path access list 1 deny A64502$
Topics
#BGP#AS Path Access-list#Routing Policy#Regular Expressions
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