Discuss Nokia 4A0-AI1 Exam Topic 3 Question 51

Which of the following is NOT an advantage of Software-defined Networks (SDN) over traditional networks?

ANetwork elements operating autonomously

BDecoupling of control plane from data plane

CCentralized controller operations

DGlobal view of network's state

Suggested Answer: A

SDN does not provide any advantage in terms of having network elements operate autonomously. The other three options are all advantages of SDN over traditional networks.

Network elements operating autonomously is NOT an advantage of Software-defined Networks (SDN) over traditional networks. SDN aims to centralize control plane operations and provide a global view of the network's state, enabling more efficient and flexible network management. By decoupling the control plane from the data plane, SDN separates the management logic from the forwarding hardware, allowing for centralized and programmable network control.

some of the advantages of Software-defined Networks (SDN) over traditional networks are:

Traffic programmability

Agility

Policy-driven network supervision

Network automation

Centralized controller operations

Decoupling of control plane from data plane

Global view of network's state

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30 comments · newest first

Arthur 10 months ago

B and C are the real game changers!

Barb 10 months ago

Wait, are we sure about A? Seems like it could be an advantage too.

Barabara 11 months ago

I agree, A is more of a traditional network trait.

Blondell 11 months ago

I disagree, I think A has its perks in some cases.

Felicia 11 months ago

A is definitely NOT an advantage.

Eileen 11 months ago

I feel like centralized controller operations could be seen as a disadvantage in some contexts, but I can't recall the exact reasoning behind it.

Hana 11 months ago

I'm leaning towards D being the right choice since having a global view seems like a clear benefit of SDN, but I could be wrong.

Evangelina 12 months ago

I remember practicing a question similar to this, and I think the decoupling of control and data planes is definitely an advantage, so maybe it's not B.

Clarence 12 months ago

I think the answer might be A, but I'm not entirely sure if network elements operating autonomously could be considered an advantage.

Phung 1 year ago

This is a tricky one. I feel like all of these could be considered advantages in some way. I'll have to really analyze each option and think about how they relate to the core principles of SDN. Gonna have to put on my thinking cap for this one.

Maurine 1 year ago

Okay, let's see. SDN gives you a global view of the network state, and centralized control, so I'm pretty sure those are advantages. The decoupling of control and data planes is also a key SDN feature. That leaves network elements operating autonomously as the only one that's not an advantage. I'll go with that.

Josue 1 year ago

Hmm, I'm a bit unsure about this one. I know SDN is all about separating the control and data planes, but I'm not totally clear on how that relates to the advantages listed here. I'll have to think it through carefully.

Bulah 1 year ago

This question seems straightforward, I think the answer is A - network elements operating autonomously, since that's the opposite of the key SDN advantage of centralized control.

Mariko 1 year ago

I see your point, but I still think C is the correct answer.

Ashton 1 year ago

Hey, at least the network logic is centralized. That's better than the good old days of chasing cables around the server room, right? Wait, what am I saying? That was way more fun!

Alpha 9 months ago

↳ replying to Ashton

I miss the thrill of untangling wires!

Reita 10 months ago

↳ replying to Ashton

But was it really that fun?

Sommer 10 months ago

↳ replying to Ashton

Totally! No more cable chaos.

Corazon 10 months ago

↳ replying to Ashton

Centralized logic is a game changer!

Dong 1 year ago

I think the answer is D) Greater agility in automating, monitoring, and provisioning network infrastructure.

Carmelina 1 year ago

Greater agility? More like 'greater headaches' if you ask me. Have you tried provisioning a network infrastructure? It's like herding cats.

Nichelle 1 year ago

Well, if the control plane and data plane are integrated, that sounds pretty traditional to me. Isn't that the opposite of SDN?

Charlene 1 year ago

↳ replying to Nichelle

A) Network logic is centrally integrated at the controller level

Brandee 1 year ago

I disagree, I believe the answer is B) Applications communicate directly with the controller.

Mariko 1 year ago

I think the answer is C) An integrated control plane and data plane.

Amina 1 year ago

Umm, I thought SDN's whole thing was the centralized control plane. Isn't that, like, the main advantage?

Craig 1 year ago

↳ replying to Amina

C) An integrated control plane and data plane

Jacquline 1 year ago

↳ replying to Amina

B) Applications communicate directly with the controller

Andra 1 year ago

↳ replying to Amina

A) Network logic is centrally integrated at the controller

Brice 1 year ago

↳ replying to Amina

A) Network logic is centrally integrated at the controller

Nokia 4A0-AI1 Exam - Topic 3 Question 51 Discussion