Cisco Implementing Cisco Service Provider Advanced Routing Solutions 300-510 Question # 44 Topic 5 Discussion

Cisco Implementing Cisco Service Provider Advanced Routing Solutions 300-510 Question # 44 Topic 5 Discussion

300-510 Exam Topic 5 Question 44 Discussion:
Question #: 44
Topic #: 5

300-510 Question 44

Refer to the exhibit. Router R1 is expected to receive routes that originate from AS 65547 only. However, R1 is receiving routes from AS 65547 and several other ASs that are directly attached to it. Which change to the AS path permit filter corrects the problem?


A.

Change the regular expression to $.


B.

Change the regular expression to.*.


C.

Change the regular expression to _65547_.


D.

Change the regular expression to A65547$


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