Cisco Exam 300-440 Topic 2 Question 3 Discussion

Actual exam question for Cisco's 300-440 exam

Question #: 3
Topic #: 2

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?

Ahub-and-spoke topology using MPLS with static routing and dedicated bandwidth for QoS

Bstar topology with internet-based VPN connections and BGP for routing

Chybrid topology that combines MPLS and SD-WAN

Dfully meshed topology with SD-WAN technology using dynamic routing and prioritized traffic for QoS

Show Suggested 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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Colton

3 months ago

Interesting perspective. It's important to consider the specific routing needs of the company when making a decision.

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Judy

3 months ago

I see your point, but I think option A, hub-and-spoke with MPLS, offers dedicated bandwidth for QoS and static routing which can be beneficial.

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Noel

3 months ago

I disagree. I believe option D, a fully meshed topology with SD-WAN, is the best choice for prioritized traffic and dynamic routing.

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Margo

4 months ago

That sounds like a good option. It offers the flexibility of SD-WAN while still utilizing the reliability of MPLS.

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Colton

4 months ago

I think the company should go for option C, a hybrid topology combining MPLS and SD-WAN.

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Edison

4 months ago

I'm not sure, but I think D might be the best choice after hearing everyone's opinions.

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Dwight

4 months ago

I think option B could also work well, with internet-based VPN connections.

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Maryln

4 months ago

I'm leaning towards option C, combining MPLS and SD-WAN for best of both worlds.

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Alyce

4 months ago

I agree with Alaine, option D seems more flexible.

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Alaine

5 months ago

Really? I prefer option D with SD-WAN technology.

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Joaquin

5 months ago

I think option A sounds like a good choice.

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Edda

6 months 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

6 months 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

5 months ago

Great choice. I think it will provide the best network architecture for our company's branch offices.

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Sherly

5 months 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

5 months 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 months 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

5 months 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

5 months 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

5 months 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

6 months 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

6 months 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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