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

Actual exam question for Huawei's H12-821_V1.0 exam
Question #: 82
Topic #: 5
[All H12-821_V1.0 Questions]

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

Show Suggested Answer Hide 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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Cammy
4 months ago
I thought only the latest version had the Group-Specific Query.
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Kara
4 months ago
Wait, are you sure all versions support that?
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Patrick
4 months ago
Totally agree, Leave message is a must-have feature!
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Lindsey
4 months ago
I think the Leave message is supported by all versions.
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Alyce
5 months ago
IGMP has three versions, that's a fact!
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Azzie
5 months ago
I’m leaning towards the Leave message being the right answer since it seems fundamental to IGMP, but I could be mixing it up with something else we studied.
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Markus
5 months ago
I’m a bit confused about the Group-Specific Query. I feel like it might be specific to certain versions, but I can't recall clearly.
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Tiffiny
5 months ago
I remember practicing a question about IGMP features, and I think the Report message was mentioned as common across versions.
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Emelda
5 months ago
I think all versions support the Leave message, but I'm not entirely sure. It feels like something we covered in class.
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Gary
6 months ago
I've got a good feeling about this. The key is to identify the fundamental IGMP operations that have remained consistent throughout the different versions.
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Julieta
6 months ago
I'm a bit unsure about this one. I know IGMP has evolved over the years, so I'll need to review my notes on the specific features added in each version.
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Sean
6 months ago
Okay, let's see. The question is asking about a feature that's common to all IGMP versions, so I'll need to focus on the core functionality that hasn't changed across the versions.
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Aracelis
6 months ago
Hmm, this seems like a tricky one. I'll need to think carefully about the differences between the IGMP versions to determine which feature is supported by all of them.
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Argelia
10 months ago
D) Specifying a multicast source? Really? That's like asking me to remember my own birthday. Report message all the way!
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Meaghan
10 months ago
Report message, hands down. It's the MVP of IGMP, the LeBron James of network protocols.
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Benton
10 months ago
I'm going with C. Report message. It's the one that lets the router know 'Hey, I want in on this multicast party!'
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Mayra
8 months ago
I'm going with C. Report message. It's the one that lets the router know 'Hey, I want in on this multicast party!'
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Charisse
9 months ago
D) Specifying a multicast source
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Gail
9 months ago
C) Report message
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Maynard
9 months ago
B) Leave message
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Rodolfo
10 months ago
A) Group-Specific Query message
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Terry
10 months ago
I remember studying this, and yes, the correct answer is C) Report message.
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Huey
10 months 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
10 months ago
C) Report message
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Tiera
10 months ago
A) Group-Specific Query message
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Chaya
11 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
11 months ago
I agree with Demetra, all versions of IGMP support the Report message.
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Kirk
11 months ago
Report message seems like the obvious choice here. I mean, who doesn't love a good report, am I right? *wink wink*
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Dierdre
10 months ago
D) Specifying a multicast source
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Garry
10 months ago
C) Report message
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Cecily
10 months ago
B) Leave message
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Jacki
10 months ago
A) Group-Specific Query message
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Demetra
11 months ago
I think the answer is C) Report message.
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