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Juniper JN0-664 Exam - Topic 1 Question 4 Discussion

Actual exam question for Juniper's JN0-664 exam
Question #: 4
Topic #: 1
[All JN0-664 Questions]

Exhibit

A network designer would like to create a summary route as shown in the exhibit, but the configuration is not working.

Which three configuration changes will create a summary route? (Choose three.)

Show Suggested Answer Hide Answer
Suggested Answer: B, C, D

To create a summary route for IS-IS, you need to configure a policy statement that matches the prefixes to be summarized and sets the next-hop to discard. You also need to configure a summary-address statement under the IS-IS protocol hierarchy that references the policy statement. In this case, the policy statement leak-v6 is trying to match the prefix 2001:db9:a:fa00::/61 exactly, but this prefix is not advertised by any router in the network. Therefore, no summary route is created. To fix this, you need to delete the longer keyword from the route-filter term and change the prefix length to /61 exact. This will match any prefix that falls within the /61 range. You also need to delete the export statement under protocols isis, because this will export all routes that match the policy statement to other IS-IS routers, which is not desired for a summary route.


by Flo at Apr 22, 2023, 11:29 PM

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Dominga
4 months ago
I’m not sure about E, isn’t that just adding complexity?
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Denae
4 months ago
C looks good too, but what about D?
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Johana
4 months ago
Wait, can you really just delete the export? Sounds risky.
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Flo
4 months ago
Agree, B seems essential!
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Tarra
4 months ago
I think option B is definitely needed for the summary route.
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Glen
5 months ago
I feel like deleting the export summary-v6 could be a good option, but I’m not entirely confident about how it interacts with the import settings.
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Elke
5 months ago
I practiced a similar question where we had to manipulate policy statements, but I can't remember if rejecting terms is always necessary.
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Leanna
5 months ago
I think option E about setting the protocols for ISIS import might be crucial for creating the summary route, but I can't recall the exact syntax.
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Britt
5 months ago
I remember we discussed summary routes in class, but I'm not sure if deleting the route-filter is the right move.
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Kanisha
5 months ago
Wait, I'm a bit confused. Is it just about monopolies having higher costs, or is there more to it than that? I'll need to review my notes to make sure I understand the full explanation.
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Sanjuana
5 months ago
Cultural backgrounds are definitely the most important factor here. A one-size-fits-all approach won't work for a diverse global workforce.
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Izetta
5 months ago
I like the idea of using a code stage interface in option C. That could give me more flexibility to interact with the application.
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