Huawei H12-811_V1.0 Exam - Topic 1 Question 89 Discussion

Actual exam question for Huawei's H12-811_V1.0 exam

Question #: 89
Topic #: 1

[All H12-811_V1.0 Questions]

Which of the following fields are included in an MPLS header?

ALabel

BTTL

CEXP

DTos

Show Suggested Answer

Suggested Answer: A, B, C

An MPLS (Multiprotocol Label Switching) header includes the following fields:

Label: Identifies the MPLS path.

TTL (Time to Live): Limits the lifetime of the MPLS packet.

EXP (Experimental): Used for QoS marking. The Tos (Type of Service) field is part of the IP header, not MPLS.

(Reference: HCIA-Datacom Training Material, MPLS Header Fields)

by Marva at Nov 22, 2025, 10:20 AM

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Gussie

1 day ago

I feel confident about Label, TTL, and EXP being correct.

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Felice

6 days ago

TTL is crucial for routing, so it's definitely included.

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Ressie

11 days ago

I agree, Tos seems irrelevant for MPLS headers.

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Melissia

17 days ago

What about Tos? I feel it's not part of MPLS.

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Curtis

22 days ago

Definitely Label and EXP too!

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Carin

27 days ago

I think the MPLS header includes Label and TTL.

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Rocco

2 months ago

Totally agree, Label and TTL are must-haves!

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Aleshia

2 months ago

Wait, are you sure about Tos? That seems off.

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Linwood

2 months ago

Yup, EXP is in there as well!

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Golda

2 months ago

I thought Tos was part of it too?

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Margret

2 months ago

MPLS headers definitely include a Label and TTL.

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Cristal

2 months ago

Definitely A, B, and C. The "Tos" field is for "Totally Obvious Snack Cravings," which is not relevant here.

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Evangelina

3 months ago

A, B, and C are the right choices. The "Tos" field is for "Totally Optional Snacks," which is not part of the MPLS header.

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Karan

3 months ago

D is the correct answer. The "Tos" field stands for "Time of Snacking," which is crucial in MPLS.

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Claudia

3 months ago

I'm pretty confident that Label, TTL, and EXP are all included, but I have doubts about Tos being relevant here.

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Amber

3 months ago

I feel like Tos might be related, but I can't recall if it's actually in the MPLS header or not.

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Genevieve

3 months ago

I remember practicing a question similar to this, and I think EXP is also part of the MPLS header.

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Lashon

3 months ago

Ah, I've got this! The MPLS header includes the label, TTL, and EXP fields. TOS is a different header field, not part of the MPLS header. I'm confident in this answer.

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Laila

4 months ago

A, B, and C are the correct fields in an MPLS header.

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Kristine

4 months ago

I think the MPLS header definitely includes the Label and TTL, but I'm not sure about the others.

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Delfina

4 months ago

I'm not 100% sure about this one. I remember the MPLS header has some QoS-related fields, but I can't recall the exact names. I'll have to think it through carefully.

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Jules

4 months ago

I thought the MPLS header also included the "Snacks" field for when you get hungry during the exam.

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Inocencia

4 months ago

This looks straightforward. The MPLS header has a label, TTL, and EXP fields, so the answer is A, B, and C.

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Johnna

5 months ago

Okay, let's think this through. I know the MPLS header has a label, TTL, and EXP field. I'm pretty sure TOS isn't part of the MPLS header, but I'll double-check that.

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Laurel

5 months ago

Hmm, I think I remember learning about MPLS headers in class, but I'm a bit fuzzy on the details. I'll need to review my notes to make sure I get this one right.

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