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Juniper Exam JN0-664 Topic 4 Question 8 Discussion

Actual exam question for Juniper's JN0-664 exam
Question #: 8
Topic #: 4
[All JN0-664 Questions]

Exhibit

Referring to the exhibit, CE-1 is providing NAT services for the hosts at Site 1 and you must provide Internet access for those hosts

Which two statements are correct in this scenario? (Choose two.)

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Suggested Answer: A

BGP add-path is a feature that allows the advertisement of multiple paths through the same peering session for the same prefix without the new paths implicitly replacing any previous paths. This behavior promotes path diversity and reduces multi-exit discriminator (MED) oscillations. BGP add-path is implemented by adding a path identifier to each path in the NLRI. The path identifier can be considered as something similar to a route distinguisher in VPNs, except that a path ID can apply to any address family.Path IDs are unique to a peering session and are generated for each network3. In this question, we have a route reflector (RR) that receives two routes for the same prefix (192.168.0.0/16) from an EBGP neighbor. By default, the RR will only advertise its best path to its clients (R1 and R2). However, we want R1 and R2 to receive both routes from the RR. To achieve this, we need to configure BGP add-path on the RR and enable it to send multiple paths for the same prefix to its clients.


by Yvonne at Jul 09, 2023, 04:42 AM

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Jenise
3 days ago
Hold on, I'm not sure about that. Shouldn't we also configure a static route for the 203.0.113.1/32 prefix? That's the gateway for the Internet, right?
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Tabetha
6 days ago
I'm not sure about option C though. Do we really need to configure a RIB group on PE-1 to leak a default route?
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Leatha
9 days ago
I think options A and D are correct. We need to configure a static route for the 10.1.2.0/24 prefix in the main routing instance and also leak that prefix from the VPN-A.inet.0 table to the inet.0 table.
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Lai
10 days ago
I agree with Clarinda. Option A seems like the right choice for providing Internet access for the hosts at Site 1.
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Clarinda
13 days ago
I think option A is correct because we need a static route for the 10.1.2.0/24 prefix.
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Claudia
15 days ago
I'm not sure about option C and D. Can someone explain why we need to configure a RIB group for leaking routes?
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Nobuko
16 days ago
I agree with you, Sylvia. Option B also seems correct as we need a static route for the 203.0.113.1/32 prefix.
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Sylvia
17 days ago
I think option A is correct because we need a static route for the 10.1.2.0/24 prefix.
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