Nokia 4A0-105 Exam - Topic 2 Question 124 Discussion

Actual exam question for Nokia's 4A0-105 exam

Question #: 124
Topic #: 2

[All 4A0-105 Questions]

What is the default Spanning Tree protocol used in a VPLS on the Alcatel-Lucent 7750 SR?

A802.1D2004

B802.1D 1998

Ccomp-dot1w

DPVST

Show Suggested Answer

Suggested Answer: A

by Truman at Apr 08, 2026, 05:12 AM

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Veronique

3 days ago

I’m leaning towards B) 802.1D 1998. It’s classic.

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Loren

9 days ago

I think it's A) 802.1D2004. Seems most recent.

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Felicitas

14 days ago

Surprised it's not PVST, thought that was more common.

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Ozell

19 days ago

Nope, definitely B. Been using it for years!

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Hermila

24 days ago

Wait, are you sure? I thought it was A) 802.1D2004.

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Van

2 months ago

Totally agree, that's the standard for VPLS.

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Tijuana

3 months ago

It's B) 802.1D 1998.

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Beula

3 months ago

I remember reading about PVST in my notes, but I don't think it's the right answer for this specific case.

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Rodolfo

3 months ago

I practiced a similar question last week, and I believe the answer was 802.1D 1998, but I'm not entirely sure.

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India

3 months ago

I vaguely recall that comp-dot1w might be related, but I don't think it's the default for VPLS.

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Theola

4 months ago

I think the default protocol for VPLS on the 7750 SR is 802.1D, but I can't remember if it's the 1998 or 2004 version.

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