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Exam 300-410 topic 1 question 617 discussion

Actual exam question from Cisco's 300-410
Question #: 617
Topic #: 1
[All 300-410 Questions]





Refer to the exhibit. Customer B has decided not to receive any routes from R1 that originated outside the AS 100. Which AS path access list must the engineer choose to meet this requirement?

  • A. ip as-path access-list 1 permit ^10[0-9]*$
  • B. ip as-path access-list 1 permit ^100$
  • C. ip as-path access-list 1 permit _100$
  • D. ip as-path access-list 1 permit _100_
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Suggested Answer: B 🗳️

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Chosen Answer:
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Anarky19
6 days, 17 hours ago
Selected Answer: B
In R6 if we notice the bgp table, the sentence *> Net: 6.6.6.6/32 ............ Path: 100 500, I think it should be: *> Net: 6.6.6.6/32 ............ Path: 500 100 Shouldn't it?
upvoted 1 times
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jabal93
5 months ago
^ means AS number start with $ means AS number end with so, we only want routes from AS100 then ^100$
upvoted 2 times
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jabal93
5 months ago
Selected Answer: B
Indeed B is correct (Agree with Vitalizator & dapardo & Pietjeplukgeluk & SeMoOoOoO)
upvoted 1 times
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[Removed]
5 months, 2 weeks ago
Selected Answer: B
Indeed B is correct (Agree with Vitalizator & dapardo & Pietjeplukgeluk)
upvoted 1 times
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[Removed]
5 months, 2 weeks ago
Selected Answer: B
Indeed B is correct (Agree with Vitalizator & dapardo & Pietjeplukgeluk)
upvoted 1 times
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Pietjeplukgeluk
6 months ago
Selected Answer: B
Indeed B is correct (Agree with Vitalizator & dapardo)
upvoted 2 times
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dapardo
6 months, 3 weeks ago
Selected Answer: B
Agree with Vitalizator, B is the right one
upvoted 3 times
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vitalizator
6 months, 3 weeks ago
Selected Answer: B
Correct answer is B since AS100 is the neighboring AS of R6 so it will be always the 1st in the AS path, and we don't want to see any other AS behind AS100, so it has to be ^100$
upvoted 4 times
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C (25%)
B (20%)
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