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Juniper Exam JN0-351 Topic 6 Question 13 Discussion

Actual exam question for Juniper's JN0-351 exam
Question #: 13
Topic #: 6
[All JN0-351 Questions]

Exhibit.

The ispi _ inet. 0 route table has currently no routes in it.

What will happen when you commit the configuration shown on the exhibit?

Show Suggested Answer Hide Answer
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 Candida at Mar 09, 2024, 02:26 AM

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Kristeen
3 days ago
Since the question states that the ispi . inet. 0 route table has no routes, I'm pretty sure the correct answer is B. The inet. 0 route table will be imported into the ispi . inet. 0 route table. Seems straightforward enough.
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Jenise
5 days ago
Why do you think it's D?
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Antonio
10 days ago
I disagree, I believe the answer is D.
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Jenise
12 days ago
I think the answer is B.
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