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Juniper Exam JN0-351 Topic 7 Question 23 Discussion

Actual exam question for Juniper's JN0-351 exam
Question #: 23
Topic #: 7
[All JN0-351 Questions]

You have two OSPF routers forming an adjacency. R1 has a priority of 32 and a router ID of 192.168.1.2. R2 has a priority of 64 and a router ID of 192.168.1.1. The routers were started at the same time and all other OSPF settings are the default settings.

Which statement is correct in this scenario?

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Suggested Answer: B, C

Bis correct because the loops do not exist is one of the conditions that are verified by the receiving router to ensure that the received BGP route is valid.A loop in BGP means that a route has been advertised by the same AS more than once, which can cause routing instability and inefficiency1.To prevent loops, BGP uses the AS-path attribute, which lists the AS numbers that a route has traversed from the origin to the destination2.The receiving router checks the AS-path attribute of the received route and discards it if it finds its own AS number in the list2. This way, BGP avoids accepting routes that contain loops.

Cis correct because the next hop is reachable is one of the conditions that are verified by the receiving router to ensure that the received BGP route is valid.The next hop is the IP address of the next router that is used to forward packets to the destination network3.The receiving router checks the next hop attribute of the received route and verifies that it has a valid route to reach it3.If the next hop is not reachable, the received route is not usable and is rejected by the receiving router3. This way, BGP ensures that only feasible routes are accepted.


by Ira at Jul 06, 2024, 09:30 AM

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Harrison
1 months ago
Hold up, option A is wrong. You only need two routers for a DR/BDR election, not three.
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Marleen
1 months ago
No way, man! R1 has a lower router ID, so it will be the BDR according to option D.
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Jesusita
3 days ago
That's right, R1 will be the BDR because it has a lower router ID.
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Alease
10 days ago
R1 will be the BDR.
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Rossana
1 months ago
I think option C is correct. Since R2 has a higher priority of 64, it will be elected as the BDR.
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Shonda
2 months ago
I agree with Pete, R1 will be the BDR based on the priority setting.
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Pete
2 months ago
I disagree, I believe R1 will be the BDR because it has a lower priority.
upvoted 0 times
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Rebecka
2 months ago
I think R2 will be the BDR.
upvoted 0 times
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