300-510 Implementing Cisco Service Provider Advanced Routing Solutions (SPRI)

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?

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?

  • A. The AS-PATH filter must be defined inside the route-map mode
  • B. The statement must be modified with ip as-path access-list 1 deny_64502_
  • C. The statement must be modified with ip as-path access-list 1 deny ^64502$
  • D. At the end, ip as-path access-list 10 permit.* must be included
Answer: Option D.
Explanation: 

No answer description available for this question.

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