Discuss Huawei H19-315 Exam Topic 3 Question 29

Which of the following technologies is used by GPON system to allocate bandwidth to ONU?

AT-CONT

BDBA

CWDM

DType B

Suggested Answer: B

The correct answer isDBA (Dynamic Bandwidth Allocation). DBA is a critical technology in GPON systems that dynamically allocates upstream bandwidth to Optical Network Units (ONUs) based on their real-time traffic demands. This ensures efficient utilization of the available bandwidth and prevents congestion in the upstream direction.

T-CONT (Traffic Container):While T-CONT is used to classify and manage different types of traffic (e.g., voice, video, data), it is not responsible for bandwidth allocation.

WDM (Wavelength Division Multiplexing):WDM is a technology used in optical networks to transmit multiple signals over a single fiber using different wavelengths. It is unrelated to bandwidth allocation in GPON.

Type B:Refers to a protection mechanism in GPON, not bandwidth allocation.

Huawei GPON Technology White Paper

ITU-T G.984.x Standards for GPON

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12 comments · newest first

Emily 1 month ago

I’m not sure, but WDM sounds interesting. Could it be a trick option?

Ernest 1 month ago

I agree, DBA is the right choice. T-CONT is just a part of it.

Galen 1 month ago

I think it's B) DBA. It dynamically allocates bandwidth.

Alfred 2 months ago

Yeah, T-CONT is the standard, can’t believe some people doubt it!

Corrina 2 months ago

Wait, Type B? I’ve never heard of that in GPON!

Marti 2 months ago

WDM is for wavelength division, not bandwidth allocation.

Nobuko 2 months ago

I thought it was DBA, isn't that the right one?

Tasia 2 months ago

Definitely T-CONT for bandwidth allocation!

Stefany 2 months ago

Type B sounds familiar, but I can't recall its specific role in GPON. I hope it's not a trick option!

Rolande 3 months ago

I feel like WDM is more about wavelength division and not specifically for bandwidth allocation, but I could be wrong.

Xuan 3 months ago

I remember DBA being mentioned in our practice questions as a method for dynamic bandwidth allocation in GPON.

Dalene 3 months ago

I think T-CONT is related to how GPON manages bandwidth, but I'm not entirely sure if it's the right answer.

Huawei H19-315 Exam - Topic 3 Question 29 Discussion