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Cisco 300-440 Exam - Topic 2 Question 3 Discussion

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 needsWhich connectivity model meets these requirements?
D) fully meshed topology with SD-WAN technology using dynamic routing and prioritized traffic for QoS
A) hub-and-spoke topology using MPLS with static routing and dedicated bandwidth for QoS
B) star topology with internet-based VPN connections and BGP for routing
C) hybrid topology that combines MPLS and SD-WAN

Cisco 300-440 Exam - 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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Roselle
9 months ago
A hub-and-spoke model is too limiting for multihoming, right?
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Laquita
9 months ago
Wait, can a hybrid really handle all those requirements?
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Della
10 months ago
Not so sure about C, though. D seems more robust for QoS.
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Paola
10 months ago
Definitely agree with C! It covers all bases.
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Latosha
10 months ago
I think option C is the best choice here.
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Pamella
10 months ago
I recall a practice question about star topologies and VPNs, but I'm not convinced it meets all the requirements, especially for high availability and QoS.
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Julianna
11 months ago
The fully meshed topology sounds appealing for high availability, but I’m a bit confused about how dynamic routing would work with SD-WAN for prioritizing traffic.
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German
11 months ago
I think the hybrid topology with MPLS and SD-WAN might be a good fit since it can handle multihoming and specific routing needs, but I need to double-check the QoS aspect.
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Adolph
11 months ago
I remember studying about MPLS and its benefits for QoS, but I'm not sure if the hub-and-spoke model is the best for high availability.
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Loreta
11 months ago
I'm a bit confused by the differences between the options. I'll need to review the details of each connectivity model to determine which one best fits the stated needs.
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Norah
11 months ago
Okay, let me think this through. The fully meshed SD-WAN topology with dynamic routing and prioritized traffic for QoS sounds promising, but I'll need to double-check that it meets all the requirements.
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Sunny
11 months ago
Hmm, I think the hybrid topology that combines MPLS and SD-WAN might be the way to go here. That could give us the best of both worlds.
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Darrin
11 months ago
This seems like a tricky one. I'll need to carefully consider the requirements of high availability, QoS, multihoming, and specific routing needs.
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Geraldine
11 months ago
Okay, let me think this through. The key seems to be how the maintenance orders are assigned - I'll need to pay close attention to the options provided.
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Alison
11 months ago
Okay, I've got a strategy here. Since the hand-off speed is 1Gbps and the CIR is only 50Mbps, we need to implement some kind of QoS to ensure the voice traffic is prioritized. I'm leaning towards option B or C, which both mention hierarchical QoS.
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Lenna
11 months ago
Hmm, this is a tricky one. I'm thinking we might need to add more relevant measures to the analysis to get better separation between the clusters.
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Pearly
11 months ago
This question seems straightforward, I think I know the definition of comorbidity.
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Lashawna
11 months ago
Okay, I've got a good handle on this. The key is to identify the three statements that accurately describe security risks and their management.
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Colton
2 years ago
Interesting perspective. It's important to consider the specific routing needs of the company when making a decision.
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Judy
2 years 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
2 years 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
2 years 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
2 years ago
I think the company should go for option C, a hybrid topology combining MPLS and SD-WAN.
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Edison
2 years ago
I'm not sure, but I think D might be the best choice after hearing everyone's opinions.
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Dwight
2 years ago
I think option B could also work well, with internet-based VPN connections.
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Maryln
2 years ago
I'm leaning towards option C, combining MPLS and SD-WAN for best of both worlds.
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Alyce
2 years ago
I agree with Alaine, option D seems more flexible.
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Alaine
2 years ago
Really? I prefer option D with SD-WAN technology.
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Joaquin
2 years ago
I think option A sounds like a good choice.
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Edda
2 years 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
2 years 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 years ago
Great choice. I think it will provide the best network architecture for our company's branch offices.
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Sherly
2 years 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
2 years 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
2 years 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
2 years 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
2 years 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
2 years 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
2 years 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
2 years 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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