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Exam 300-410 topic 1 question 367 discussion

Actual exam question from Cisco's 300-410
Question #: 367
Topic #: 1
[All 300-410 Questions]



Refer to the exhibit. An engineer configures two ASBRs, 10.4.17.6 and 10.4.15.5, in an OSPF network to redistribute routes from EIGRP. However, both ASBRs show the EIGRP routes as equal costs even though the next-hop router 10.4.17.6 is closer to R1. How should the network traffic to the EIGRP prefixes be sent via 10.4.17.6?

  • A. The administrative distance should be raised to 120 from the ASBR 10.4.17.6.
  • B. The redistributed prefixes should be advertised as Type 1.
  • C. The ASBR 10.4.17.6 should assign a tag to match and assign a lower metric on R1.
  • D. The administrative distance should be raised to 120 from the ASBR 10.4.15.5.
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Suggested Answer: B 🗳️
by HarwinderSekhon at Aug. 19, 2023, 10:34 p.m.

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Tester948
Highly Voted 1 year, 7 months ago
Selected Answer: B
Type 1 routes increment metric hop by hop, type 2 doesn't - a router that's 1 hop away will have the same metric as a router 30 hops away.
upvoted 7 times
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Pietjeplukgeluk
Highly Voted 1 year, 4 months ago
Selected Answer: B
Yes, it is B. BUT, none of the explanations below are correct. So if you would advertise any route as E1 is preferred over E2. So if your primary ASBR advertises the routes as an E1 routes, they are automatically preferred over E2 routes. More info: https://networklessons.com/ospf/ospf-path-selection-explained
upvoted 6 times
bk989
9 months, 3 weeks ago
You are correct
upvoted 1 times
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bk989
11 months, 1 week ago
Correction, since R1 is closer to 10.4.17.6 destination: The redistributed prefixes should be advertised as Type 1. If we apply this to 10.4.17.6 is preferred as E1 > D2. However if we apply to both redistributing routers, the metric from R1 to 10.4.17.6 should still be lower.
upvoted 1 times
bk989
10 months ago
you vare right though answer is B, type 1 > type 2, but I was just pointing that out ass well that since 10.4.17.6 is closer (in hop?? in metric??) than it really shouldn't matter the network type.
upvoted 1 times
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1chung
Most Recent 1 month, 3 weeks ago
Selected Answer: D
I go with D
upvoted 1 times
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[Removed]
11 months ago
Selected Answer: B
B is correct
upvoted 1 times
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ZamanR
1 year, 6 months ago
B is correct
upvoted 1 times
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Fenix7
1 year, 9 months ago
The answer is B. When there are multiple ASBB, you need to use E1. * E1: Type O E1 external routes calculate the cost by adding the external cost to the internal cost of each link that the packet crosses. Use this type to avoid suboptimal routing when there are multiple ASBRs advertising an external route to the same AS. * E2 (default): The external cost of O E2 packet routes is always the external cost only. Use this type if only one ASBR is advertising an external route to the AS.
upvoted 3 times
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Pepoydex
1 year, 9 months ago
Selected Answer: D
I think the answer is d, because, the 2 route have the same distance....we want go fot 6.6
upvoted 1 times
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HarwinderSekhon
1 year, 10 months ago
given ans is correct
upvoted 2 times
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