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Ericsson ECP-206 Exam - Topic 1 Question 12 Discussion

Which two statements are true regarding the LSP? (Choose two.)
B) The LSP refers to a sequence of routers that add. remove, or change label values along the path. and C) The LSP refers to a sequence of routers that forward the MPLS packet based on labels.
A) The LSP refers to a specific label assigned to a packet by the LSR for a destination.
D) The LSP refers to a sequence of routers that add, remove, or change label values based on the destination MAC address.

Ericsson ECP-206 Exam - Topic 1 Question 12 Discussion

Actual exam question for Ericsson's ECP-206 exam
Question #: 12
Topic #: 1
[All ECP-206 Questions]

Which two statements are true regarding the LSP? (Choose two.)

Show Suggested Answer Hide Answer
Suggested Answer: B, C

Two statements that are true regarding the LSP are:

The LSP refers to a sequence of routers that forward the MPLS packet based on labels. An LSP is a Label Switched Path, which is a path through an MPLS network that is established by signaling protocols such as LDP or RSVP-TE. An LSP consists of a sequence of routers (called Label Switching Routers or LSRs) that forward packets based on labels rather than IP addresses. Labels are short fixed-length identifiers that are attached to packets at the ingress router and removed at the egress router.Labels can be swapped or popped at intermediate routers according to their label forwarding tables78.

The LSP refers to a sequence of routers that add, remove, or change label values along the path. As mentioned above, an LSP consists of a sequence of routers that forward packets based on labels. Along the path, different routers may perform different operations on the labels depending on their role and configuration. The ingress router adds one or more labels to the packet before sending it into the MPLS network. The egress router removes all labels from the packet before sending it out of the MPLS network. The intermediate routers may swap one label with another label according to their label forwarding tables.This process is called label switching78.


by Justine at Mar 08, 2024, 04:37 PM

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Sabra
8 months ago
I thought LSP was something else entirely, wow!
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Rex
8 months ago
Wait, D is totally wrong, right? MAC addresses don’t come into play here!
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Charlette
9 months ago
A is misleading, it's not just about a single label.
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Deandrea
9 months ago
Definitely C, that's how MPLS works.
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Lenna
9 months ago
LSP is all about the label switching path!
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Juliann
9 months ago
I’m pretty confident that B is incorrect since LSPs don’t change labels based on MAC addresses, but I’m torn between C and A for the other true statement.
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Kristian
9 months ago
I feel like A might be misleading because it talks about a specific label, but I can't recall if that's really what LSP means.
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Elfriede
10 months ago
I remember practicing a question similar to this, and I think option C is definitely true about how the routers forward packets based on labels.
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Felix
10 months ago
I think the LSP is about the sequence of routers, but I'm not sure if it's just forwarding or also changing labels.
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Marylyn
10 months ago
Okay, let me re-read the question and options. I think the LSP is the sequence of routers that forward the MPLS packet based on labels, and the label is the specific value assigned to the packet. I'll go with those two.
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Candra
10 months ago
Hmm, I'm a bit confused about the difference between the LSP and the label assigned to a packet. I'll have to think this through carefully before selecting my answers.
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Romana
10 months ago
I'm pretty sure the LSP refers to the sequence of routers that forward the MPLS packet based on labels, so I'll choose that one. The other options don't seem quite right.
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Leonor
10 months ago
Ah, I remember learning about this in class. The LSP is the sequence of routers that add, remove, or change label values along the path. I'm confident that's one of the correct answers.
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Nickolas
10 months ago
This looks like a pretty straightforward question, I think I've got a good handle on the steps to create the local package repository.
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Launa
10 months ago
The question is asking for the BEST metric, so I'll need to consider which one is the most relevant and comprehensive.
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Claribel
10 months ago
I'm pretty confident about this one - malicious smart contracts can definitely infect the nodes running the blockchain software, so the answer is A.
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Lashawnda
10 months ago
This is a good question. I think I can approach it by first identifying the key differences between using SAP HANA vs. other databases for SAP MDG. The question mentions data replication, Smart Business capabilities, and virtual data models, so I'll focus on those areas.
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Colette
10 months ago
I'm not sure I fully understand the automated scaling listener mechanisms mentioned in option C. I'll need to review that one more closely.
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Nicholle
10 months ago
This is a tricky one, but I think I can narrow it down. I'll start by considering the common authentication methods used in web services and see which ones fit the context.
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Cyndy
2 years ago
Hmm, I see your point Annamae. So it could be both A and B that are true about the LSP.
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Annamae
2 years ago
I disagree. I think option B is correct. The LSP is a sequence of routers that add, remove, or change label values along the path.
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Rasheeda
2 years ago
That makes sense, Tom. So the LSP is not just about assigning labels, but also about forwarding based on them.
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Tom
2 years ago
I believe option C is also true. The LSP involves routers forwarding packets based on labels.
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Cyndy
2 years ago
I agree with Rasheeda, option A seems correct. But what about the other options?
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Rasheeda
2 years ago
I think option A is true because the LSP is a specific label assigned by the LSR.
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Madonna
2 years ago
Yeah, options A and B make sense based on how MPLS works.
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Lynsey
2 years ago
I agree with that, so it seems like options A and B are the correct statements about the LSP.
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Rolland
2 years ago
I think option B is true because the LSP does involve a sequence of routers that handle labels.
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Reyes
2 years ago
I disagree with option D, the LSP is not based on destination MAC address.
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Charlena
2 years ago
I agree with that, and I also think option C is true because the LSP is about forwarding packets based on labels.
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Sabra
2 years ago
I think option A is true because the LSP does refer to a specific label assigned to a packet.
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