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Nokia 4A0-104 Exam - Topic 7 Question 30 Discussion

By default, how does a VPLS handle a tagged frame received at the ingress of a null SAP on an Alcatel-Lucent 7750 SR?
C) The FCS is verified and removed from the frame. The VLAN tag is kept and transported over the network.
A) The FCS is verified and kept in the customer frame. The VLAN tag is kept and transported over the network.
B) The FCS is verified and kept in the customer frame. The VLAN tag is removed for transport over the network.
D) The FCS is verified and removed from the frame. The VLAN tag is removed for transport over the network.

Nokia 4A0-104 Exam - Topic 7 Question 30 Discussion

Actual exam question for Nokia's 4A0-104 exam
Question #: 30
Topic #: 7
[All 4A0-104 Questions]

By default, how does a VPLS handle a tagged frame received at the ingress of a null SAP on an Alcatel-Lucent 7750 SR?

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Suggested Answer: C

by Erick at May 06, 2022, 12:11 PM

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Ashleigh
9 months ago
I agree, A makes the most sense here!
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Ira
9 months ago
I remember reading that the FCS is verified too.
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Eve
9 months ago
Wait, are you sure about that? I thought it gets removed.
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Martina
9 months ago
Definitely option A! That's how it works.
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Delbert
9 months ago
I think the VLAN tag is kept for transport.
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Antione
9 months ago
I feel like the FCS is always verified, but I can't remember if it’s option B or C regarding the VLAN tag.
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Carissa
9 months ago
I'm leaning towards option A because I remember that VLAN tags are often preserved in similar scenarios, but I could be mistaken.
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Graciela
9 months ago
I think I practiced a similar question where the FCS was verified, but I can't recall if the VLAN tag was kept or removed in this case.
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Horace
10 months ago
I remember something about how VPLS handles frames, but I'm not sure if the VLAN tag is kept or removed.
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Kenia
10 months ago
Hmm, I'm a bit unsure on this one. I'll have to double-check the documentation to be sure.
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Curtis
10 months ago
I'm a bit unsure about this one. There are a lot of different skills listed, and I want to make sure I select the ones that are most important for this role. I'll need to read through the options carefully.
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Kimi
10 months ago
I vaguely remember something about confidentiality and whistleblower protection laws; maybe C could be right since they're not a suspect.
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