Discuss Nokia 4A0-103 Exam Topic 3 Question 110

Click on the exhibit.

An LSP path is established on router R1 toward router R6. After router R4 detects that the link between routers R4 and R6 goes down, which of the following will affect the failure propagation time?

AThe time router R4 takes to send a PATH Error message toward the head-end router.

BThe time router R4 takes to detect RSVP Hello message timeout from router R6.

CThe time router R4 takes to send a RESV Error message to the head-end router.

DThe time router R1 takes to signal an alternate path through router R3.

Suggested Answer: A

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37 comments · newest first

Nida 10 months ago

D? Really? I doubt that affects the failure time much.

Markus 10 months ago

C seems important too, but not as much as A.

Mose 10 months ago

I think B is more relevant here, though.

Taryn 11 months ago

A is definitely a factor in failure propagation time.

Lang 11 months ago

Wait, does it really take that long for R4 to detect the timeout?

Rebbecca 11 months ago

I’m leaning towards the RESV Error message affecting the propagation time, but I’m not entirely confident about the timing of R1 signaling an alternate path.

Nelida 11 months ago

I practiced a similar question where the focus was on the error messages. I feel like the PATH Error message is crucial for failure propagation.

Dong 11 months ago

I think the time it takes for R4 to detect the Hello message timeout from R6 could be significant, but I need to double-check that.

Val 12 months ago

I remember studying how error messages propagate in RSVP, but I'm not sure if it's the PATH or RESV message that matters here.

Ashlee 12 months ago

This is a good test of my RSVP knowledge. I'll carefully consider each option and select the one that best matches the question.

Vanesa 1 year ago

Okay, I think I've got it. The time it takes for router R4 to detect the RSVP Hello message timeout from router R6 is what will affect the failure propagation time.

Tayna 1 year ago

Hmm, I'm a bit confused by the options. I'll need to re-read the question and think through the RSVP failure propagation process.

Marg 1 year ago

The key here is understanding how the RSVP protocol handles link failures. I'll need to think through the different steps that occur.

Corinne 1 year ago

This question seems straightforward, but I want to make sure I understand the details before selecting an answer.

Yuette 1 year ago

D, definitely D. I mean, come on, R1 has to do all the work here. Those other options are just a warm-up for the main event. I bet R1 is doing pushups between router hops just to stay ahead of the game.

Clarence 1 year ago

↳ replying to Yuette

Yeah, R1 really has to be on top of things in this situation.

Margarita 1 year ago

↳ replying to Yuette

But D is crucial, R1 signaling an alternate path is key for failure propagation time.

Brock 1 year ago

↳ replying to Yuette

I think A is also important, R4 needs to send a PATH Error message quickly.

Loren 1 year ago

C) The time router R4 takes to send a RESV Error message to the head-end router. This would be my pick, as it's the last step in the failure notification process before the head-end can react.

Lilli 1 year ago

↳ replying to Loren

That's important too, but I think sending the RESV Error message is the final step in the process.

Art 1 year ago

↳ replying to Loren

But what about the time it takes for R4 to detect the RSVP Hello message timeout from R6?

Margarett 1 year ago

↳ replying to Loren

I agree, sending the RESV Error message is crucial for failure notification.

Jamal 1 year ago

But what about the time router R1 takes to signal an alternate path through router R3? Could that also affect the failure propagation time?

Ulysses 1 year ago

I agree with Melvin. The faster router R4 sends the PATH Error message, the quicker the failure can be propagated.

Argelia 1 year ago

I think the answer is D. R1 has to do the heavy lifting here, so it's the key factor in the failure propagation time. Though, I do wonder if the routers have enough coffee to keep them running at peak performance.

Casie 1 year ago

↳ replying to Argelia

I hope the routers are well-caffeinated for this task!

Maryanne 1 year ago

↳ replying to Argelia

D) The time router R1 takes to signal an alternate path through router R3.

Lauran 1 year ago

↳ replying to Argelia

A) The time router R4 takes to send a PATH Error message toward the head-end router.

Fidelia 1 year ago

B) The time router R4 takes to detect RSVP Hello message timeout from router R6. Detecting the failure is the first step, so this option should have the most impact on the failure propagation time.

Joseph 1 year ago

↳ replying to Fidelia

That makes sense. Option B is likely the most important factor in failure propagation time.

Winifred 1 year ago

↳ replying to Fidelia

Router R4 needs to quickly detect the RSVP Hello message timeout to inform the head-end router.

Nan 1 year ago

↳ replying to Fidelia

Yes, I agree. Once the failure is detected, the propagation time can start.

Rikki 1 year ago

↳ replying to Fidelia

I think option B is correct because detecting the failure is crucial.

Melvin 2 years ago

I think the failure propagation time will be affected by the time router R4 takes to send a PATH Error message.

Luis 2 years ago

D) The time router R1 takes to signal an alternate path through router R3. This seems like the most logical answer, as the failure propagation time would depend on how quickly the head-end router can establish a new path.

Ryan 1 year ago

↳ replying to Luis

Yes, router R1 signaling an alternate path through router R3 would definitely affect the failure propagation time.

Maxima 1 year ago

↳ replying to Luis

I think option D makes sense, the head-end router would need to find an alternate path quickly.

Nokia 4A0-103 Exam - Topic 3 Question 110 Discussion