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Cisco Exam 300-440 Topic 2 Question 3 Discussion

Actual exam question for Cisco's 300-440 exam
Question #: 3
Topic #: 2
[All 300-440 Questions]

A company with multiple branch offices wants a suitable connectivity model to meet these network architecture requirements:

* high availability

* quality of service (QoS)

* multihoming

* specific routing needs

Which connectivity model meets these requirements?

Show Suggested Answer Hide Answer
Suggested Answer: D

A fully meshed topology with SD-WAN technology using dynamic routing and prioritized traffic for QoS meets the network architecture requirements of the company. A fully meshed topology provides high availability by eliminating single points of failure and allowing multiple paths between branch offices. SD-WAN technology enables multihoming by supporting multiple transport options, such as MPLS, internet, LTE, etc. SD-WAN also provides QoS by applying policies to prioritize traffic based on application, user, or network conditions. Dynamic routing allows the SD-WAN solution to adapt to changing network conditions and optimize the path selection for each traffic type. A fully meshed topology with SD-WAN technology can also support specific routing needs, such as segment routing, policy-based routing, or application-aware routing.Reference:

Designing and Implementing Cloud Connectivity (ENCC) v1.0

[Cisco SD-WAN Design Guide]

[Cisco SD-WAN Configuration Guide]


by Jacqueline at Mar 06, 2024, 11:32 AM

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Edda
20 days ago
Haha, can you imagine trying to set up a fully meshed SD-WAN network? Talk about a headache! I mean, it might work, but the complexity would be off the charts. I'm with you guys, the hybrid MPLS/SD-WAN approach seems like the most sensible choice here.
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Eric
21 days ago
You know, I was initially thinking the star topology with internet VPNs and BGP, but the more I think about it, that might not be robust enough for high availability. And the QoS could be tricky to guarantee over the public internet. I'd probably rule that one out.
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Gail
2 days ago
Great choice. I think it will provide the best network architecture for our company's branch offices.
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Sherly
3 days ago
That makes sense. Let's go with the fully meshed topology with SD-WAN for high availability and QoS.
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Kerrie
4 days ago
I'm leaning towards the fully meshed topology with SD-WAN. It seems like the most robust option for our needs.
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Aretha
5 days ago
What about the hub-and-spoke topology using MPLS with dedicated bandwidth for QoS? It might also meet the requirements.
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Myra
6 days ago
The hybrid topology that combines MPLS and SD-WAN could also be a good option. It offers a mix of technologies for flexibility.
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Jonelle
7 days ago
I think we should consider the fully meshed topology with SD-WAN technology. It provides dynamic routing and prioritized traffic for QoS.
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Shawnna
8 days ago
I agree, the star topology with internet VPNs and BGP may not be the best option for high availability and QoS.
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Annelle
22 days ago
I agree, the hybrid approach is probably the way to go here. MPLS can provide the reliability and QoS, while SD-WAN adds the flexibility and dynamic routing. Plus, you get that multihoming capability. Though I have to say, option D with the fully meshed SD-WAN also sounds tempting.
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Noemi
23 days ago
Hmm, this is a tricky one. We need a connectivity model that covers all those requirements - high availability, QoS, multihoming, and specific routing needs. I'm leaning towards option C, the hybrid topology combining MPLS and SD-WAN. That seems to give you the best of both worlds.
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