Discuss Nokia 4A0-113 Exam Topic 2 Question 82

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What triggers convergence of the routing protocol when the link between switch 1 and switch 2 goes down?

AConvergence is triggered when the adjacency between routers R1 and R2 drops as a result of Hello timeouts. At this point, both routers R1 and R2 re-compute their link state database and send updates to their adjacent routers. Once the process is complete for all routers, the networks have converged.

BConvergence is triggered when the physical interfaces between routers R1 and R2 go down. At this point, both routers R1 and R2 re-compute their link state database and send updates to their adjacent routers. Once the process is complete for all routers, the networks have converged.

CConvergence will not be triggered because switches cannot run routing protocols between them.

DConvergence is triggered when the switches notify the routers about the link state information. At this point, both routers R1 and R2 re-compute their link state database and send updates to their adjacent routers. Once the process is complete for all routers, the networks have converged

EConvergence is triggered when an LSA is sent from router R1 to router R2 to indicate that the link is down. At this point, both routers R1 and R2 re-compute their link state database and send updates to their adjacent routers. Once the process is complete for all routers, the networks have converged.

Suggested Answer: C

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36 comments · newest first

Suzi 11 months ago

I thought it was about LSA notifications from R1 to R2.

Edmond 11 months ago

I think it's when the physical interfaces go down, right?

Bronwyn 11 months ago

Wait, can switches even run routing protocols?

Lonny 11 months ago

Totally agree, that's how it works!

Rene 12 months ago

Convergence happens when the adjacency drops due to Hello timeouts.

Fernanda 12 months ago

I believe it's when the routers send LSA updates to each other, but I might be mixing that up with another concept.

Marylou 1 year ago

I feel like the switches notifying the routers is a key part of this, but I can't remember if that's the only way convergence is triggered.

Fletcher 1 year ago

I think I saw a similar question about link state protocols in practice tests. If I recall correctly, it might be related to Hello timeouts, but I'm not entirely confident.

Sena 1 year ago

I remember studying that convergence happens when routers detect a link failure, but I'm not sure if it's the physical interface or something else that triggers it.

Alise 1 year ago

This is a good test of my knowledge on routing protocols. I'll need to think through the sequence of events and how the routers would update their link state databases when that link goes down.

Emilio 1 year ago

I feel pretty confident about this one. The key is understanding how the routing protocol, like OSPF, would react when a link between the switches goes down. The options describe the different convergence triggers, so I just need to select the right one.

Tonja 1 year ago

Okay, I've got a strategy for this. I'll focus on identifying the specific triggers for convergence, and then match that to the options provided. Gotta be methodical here.

Grover 1 year ago

Hmm, I'm a bit confused by the details here. I'll need to re-read the question and options carefully to make sure I understand the key concepts around routing protocol convergence.

Kiley 1 year ago

This seems like a tricky question, but I think I can work through it. I'll need to carefully consider the relationship between the switches and routers, and how the routing protocol would react to a link going down.

Malcom 1 year ago

Ah, I know this one - it's definitely option B, the Location Modifier.

Carisa 1 year ago

Ah, the joys of routing protocol convergence. It's like a dance of the networking gods, where the routers twist and turn, trying to figure out where the heck the packets are supposed to go. I bet the question writer is sitting back, chuckling at our confusion.

Loreen 1 year ago

↳ replying to Carisa

Scot 1 year ago

↳ replying to Carisa

E) Convergence is triggered when an LSA is sent from router R1 to router R2 to indicate that the link is down. At this point, both routers R1 and R2 re-compute their link state database and send updates to their adjacent routers. Once the process is complete for all routers, the networks have converged.

Paris 1 year ago

↳ replying to Carisa

B) Convergence is triggered when the physical interfaces between routers R1 and R2 go down. At this point, both routers R1 and R2 re-compute their link state database and send updates to their adjacent routers. Once the process is complete for all routers, the networks have converged.

Nettie 1 year ago

↳ replying to Carisa

A) Convergence is triggered when the adjacency between routers R1 and R2 drops as a result of Hello timeouts. At this point, both routers R1 and R2 re-compute their link state database and send updates to their adjacent routers. Once the process is complete for all routers, the networks have converged.

Arlette 1 year ago

Whoa, slow down there! Are we sure the routers even know about the switches in the first place? This question is making my head spin. I'll just go with D and hope for the best.

Omega 1 year ago

↳ replying to Arlette

User 3: Let's hope for the best then!

Tamera 1 year ago

↳ replying to Arlette

User 2: Yeah, I agree. I'll go with option D as well.

German 1 year ago

↳ replying to Arlette

User 1: I think the routers need to know about the switches for convergence to happen.

Ryan 1 year ago

Hold up, switches can't run routing protocols? That's news to me. I guess C is the way to go then, unless the question is just trying to trick us.

Charlesetta 1 year ago

↳ replying to Ryan

Yeah, I think C is just there to throw us off. Let's go with A for this one.

Jeffrey 1 year ago

↳ replying to Ryan

I agree, A seems like the most logical choice. The switches might not be directly involved in the convergence process.

Jerry 1 year ago

↳ replying to Ryan

Hmm, I think the answer might be A. It mentions routers R1 and R2 re-computing their link state database.

Leigha 1 year ago

I'm not sure about that. Shouldn't the routing protocol itself detect the link failure and initiate the convergence? Option E sounds more plausible.

Ardella 1 year ago

↳ replying to Leigha

Latosha: Yeah, it seems like the most logical way for the routing protocol to handle a link failure.

Latosha 1 year ago

↳ replying to Leigha

User 2: I agree. The routers sending LSAs to each other to indicate the link is down sounds like the right way for convergence to happen.

Queenie 1 year ago

↳ replying to Leigha

User 1: I think option E makes sense. The routers should detect the link failure and trigger convergence.

Florinda 1 year ago

Option B seems correct to me. The physical interfaces between the routers going down should trigger the convergence process.

Levi 2 years ago

Hmm, that makes sense too. I guess it depends on how the routers are informed about the link state changes.

Judy 2 years ago

I disagree, I believe the answer is D because switches notify the routers about the link state information.

Levi 2 years ago

I think the answer is A because Hello timeouts trigger convergence.

Nokia 4A0-113 Exam - Topic 2 Question 82 Discussion