Huawei Exam H12-821_V1.0 Topic 5 Question 82 Discussion

Actual exam question for Huawei's H12-821_V1.0 exam

Question #: 82
Topic #: 5

IGMP has three versions. Different versions support different features. Which of the following features is supported by all versions?

AGroup-Specific Query message

BLeave message

CReport message

DSpecifying a multicast source

Show Suggested Answer

Suggested Answer: C

Comprehensive and Detailed Step-by-Step

Overview of IGMP Versions:

IGMPv1: The simplest version, supports basic group membership management using Report messages but lacks Leave messages.

IGMPv2: Adds features like Leave messages and Group-Specific Queries.

IGMPv3: Supports specifying multicast sources for Source-Specific Multicast (SSM).

Feature Supported by All Versions:

Report messages are fundamental to IGMP functionality and are supported in all three versions.

Features Not Supported by All Versions:

Group-Specific Queries (A): Supported in IGMPv2 and IGMPv3.

Leave Messages (B): Introduced in IGMPv2.

Specifying Multicast Sources (D): Introduced in IGMPv3.

HCIA-Datacom Study Guide, Chapter: IGMP Overview

Huawei Multicast Protocol Details

by Margot at May 05, 2025, 12:51 PM

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22 days ago

Gotta be the Report message. It's the one that keeps the internet running, like the glue that holds the whole thing together.

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Shantell

6 days ago

C) Report message

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Tiera

7 days ago

A) Group-Specific Query message

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Chaya

1 months ago

I'm not sure, but I think it makes sense that all versions would support the Report message.

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Hana

1 months ago

I agree with Demetra, all versions of IGMP support the Report message.

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2 months ago

I think the answer is C) Report message.

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