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Nokia 4A0-116 Exam - Topic 2 Question 70 Discussion

Which of the following statements about Multi-Protocol Label Switching networks is FALSE?
D) The data is transparently carried from end to end.
A) MPLS uses a signaling protocol to exchange labels between routers.
B) An LSR forwards data based on the MPLS labels.
C) An LSP is a bi-directional tunnel that uses MPLS labels to forward data.

Nokia 4A0-116 Exam - Topic 2 Question 70 Discussion

Actual exam question for Nokia's 4A0-116 exam
Question #: 70
Topic #: 2
[All 4A0-116 Questions]

Which of the following statements about Multi-Protocol Label Switching networks is FALSE?

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Suggested Answer: D

The data is transparently carried from end to end: This statement is not true, MPLS does not provide data transparency, which means that the data is not carried unmodified from end to end. MPLS uses labels to forward data, so the original IP packets are encapsulated in new MPLS packets, and the original IP headers are not visible at the egress LSR.


by Tawanna at Jun 27, 2026, 04:55 AM

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Teri
2 days ago
Totally agree with you, France!
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Dorcas
7 days ago
LSRs definitely forward based on MPLS labels.
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Tien
12 days ago
Wait, is it really bi-directional? That sounds off.
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France
18 days ago
I think D is the false one. Data isn't always transparent.
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Marquetta
23 days ago
MPLS does use a signaling protocol for labels.
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Aja
28 days ago
I’m a bit confused about LSRs and how they forward data. I thought they used labels, but I can't recall if that's always the case.
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Rhea
1 month ago
I practiced a question similar to this, and I think D is actually true because MPLS is designed for end-to-end transparency.
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Edmond
1 month ago
I'm not entirely sure, but I feel like LSPs are usually uni-directional, which could make C false.
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Joanna
1 month ago
I think I remember that MPLS does use a signaling protocol, so A might be true.
upvoted 0 times
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