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Fortinet NSE8_812 Exam - Topic 6 Question 53 Discussion

Actual exam question for Fortinet's NSE8_812 exam
Question #: 53
Topic #: 6
[All NSE8_812 Questions]

Review the VPN configuration shown in the exhibit.

What is the Forward Error Correction behavior if the SD-WAN network traffic download is 500 Mbps and has 8% of packet loss in the environment?

Show Suggested Answer Hide Answer
Suggested Answer: A

The FEC configuration in the exhibit specifies that if the packet loss is greater than 10%, then the FEC mapping will be 8 base packets and 2 redundant packets. The download bandwidth of 500 Mbps is not greater than 950 Mbps, so the FEC mapping is not overridden by the bandwidth setting. Therefore, the FEC behavior will be 2 redundant packets for every 8 base packets.

Here is the explanation of the FEC mappings in the exhibit:

Packet loss greater than 10%:8 base packets and 2 redundant packets.

Upload bandwidth greater than 950 Mbps:9 base packets and 3 redundant packets.

The mappings are matched from top to bottom, so the first mapping that matches the conditions will be used. In this case, the first mapping matches because the packet loss is greater than 10%. Therefore, the FEC behavior will be 2 redundant packets for every 8 base packets.


by Doug at Nov 21, 2025, 12:04 AM

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Latosha
1 day ago
I agree with Maricela. D makes sense with the given loss.
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Gracia
6 days ago
I was thinking option A. 1 for 10 sounds reasonable to me.
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Maricela
12 days ago
I’m leaning towards option D. Seems like a good fit for 8% loss.
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Lili
17 days ago
Just a reminder, FEC is crucial for maintaining quality.
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Cristy
22 days ago
Surprised to see such high redundancy needed for just 8% loss!
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Gail
27 days ago
I disagree, I think D makes more sense here.
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Horace
2 months ago
Redundant packets? Sounds like my ex-boyfriend. I'm going with C, just to be different.
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Bernardo
2 months ago
8% packet loss? That's nothing, I've seen networks with 80% packet loss. Still, I think B is the best option here.
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Jettie
2 months ago
Forward Error Correction, eh? Sounds like a fancy way to say "let's just throw more packets at the problem!" I'll go with A.
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Devon
2 months ago
Redundant packets, huh? Sounds like a party! I'm going with D - 3 redundant packets for every 9 base packets.
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Marica
2 months ago
Wow, 500 Mbps download? That's some serious bandwidth! I think C - 2 redundant packets for every 8 base packets is the way to go.
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Diane
2 months ago
I recall that for higher packet loss, you generally need more redundancy, but I can't remember the exact ratios. I might guess option A, but I'm not confident.
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Stephania
3 months ago
I’m a bit confused about how to interpret the 8% packet loss in relation to the options given. Did we cover how to convert that into redundant packets?
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Brice
3 months ago
This question feels similar to one we practiced where we had to determine redundancy based on different loss rates. I think I might lean towards option D.
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Barb
3 months ago
I think I remember something about calculating redundancy based on packet loss percentages, but I'm not entirely sure how to apply it here.
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Odette
3 months ago
This is a good opportunity to apply my knowledge of FEC and SD-WAN. I'll carefully analyze the information provided and try to reason through the best solution.
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Mohammad
3 months ago
I'm a bit confused by the different FEC options. I'll need to review the concepts and try to visualize how each one would handle the given network conditions.
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Isreal
3 months ago
Okay, let's see. The key is understanding how FEC works and how it scales with the packet loss rate. I'll need to do some calculations to determine the best redundancy ratio.
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Scot
4 months ago
Yeah, I feel like it’s a bit confusing with the percentages.
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Jerilyn
4 months ago
This question is tricky. I think it's about calculating redundancy.
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Dianne
4 months ago
Looks like option A is the right choice!
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Samira
4 months ago
Anyone else think the calculations seem off?
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Clemencia
4 months ago
Hmm, 8% packet loss? That's a lot of dropped packets. I'd go with B - 3 redundant packets for every 5 base packets.
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Francis
5 months ago
Hmm, 500 Mbps download with 8% packet loss - that's a lot of data to deal with. I'll need to consider the different FEC options and how they might perform in this scenario.
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Larae
5 months ago
This looks like a tricky one. I'll need to carefully review the VPN configuration and think through the impact of the packet loss.
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