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Nokia 4A0-255 Exam - Topic 9 Question 18 Discussion

Actual exam question for Nokia's 4A0-255 exam

Question #: 18
Topic #: 9

[All 4A0-255 Questions]

Consider an OTN-based network controlled by GMPLS. Which of the following statements is correct?

AAn OCH LSP can be routed through an ODU LSP.

BAn ODU LSP can be routed through an OCH LSP.

CAn ODU LSP is routed between two photonic layer nodes.

DThe routing of the individual ODU frames is based on their label

Show Suggested Answer

Suggested Answer: B

by Barbra at Feb 07, 2023, 02:27 PM

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Queenie

8 months ago

Just to clarify, ODU LSPs can't go through OCH LSPs, right?

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Justine

9 months ago

I thought the individual ODU frames were routed based on their content, not just labels.

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Apolonia

9 months ago

Wait, can OCH LSPs really route through ODU LSPs? Sounds off.

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Paulene

9 months ago

Totally agree, C is the right answer!

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Skye

9 months ago

ODU LSPs are indeed routed between photonic layer nodes.

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Latosha

9 months ago

I vaguely remember something about labels in ODU frames, so option D might be correct, but I need to double-check that concept.

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Marg

9 months ago

I feel like option C is correct because ODU LSPs are related to the photonic layer, but I can't recall the specifics.

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Pamella

9 months ago

I remember practicing a question about ODU and OCH LSPs, and I think ODU LSPs are supposed to be routed through OCH LSPs, but I could be mixing it up.

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Gary

10 months ago

I think option A sounds familiar, but I'm not entirely sure if OCH LSPs can actually be routed through ODU LSPs.

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Isidra

10 months ago

This is a tricky one. The scenario mentions the host operating systems have full flow control enabled, but the question is asking which settings we should verify. I'm not sure if that means the data network ports should have full flow control enabled or disabled. I'll need to double-check the details and think it through step-by-step.

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Douglass

10 months ago

There was a practice question that asked about which settings apply to incoming and outgoing policies. I believe both need a DLP policy to be effective.

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Lawanda

10 months ago

Hmm, I'm a bit unsure about the details here. I think the control file can be backed up manually, but I'm not sure if it's as a binary copy or as a trace file. And I'm not sure about the RMAN backup process.

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Pilar

1 year ago

This question is really testing our knowledge of the optical layer. I hope I don't get a case of 'tunnel vision' during the exam!

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Denae

1 year ago

C) An ODU LSP is routed between two photonic layer nodes.

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Carlee

1 year ago

B) An ODU LSP can be routed through an OCH LSP.

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Cristal

1 year ago

A) An OCH LSP can be routed through an ODU LSP.

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Stephane

1 year ago

I'm going with C. An ODU LSP is routed between two photonic layer nodes, which makes sense in an OTN-based GMPLS network.

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Novella

1 year ago

D seems like the right answer to me. The routing of ODU frames is based on their label, just like with other MPLS-based protocols.

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Allene

1 year ago

Vinnie: Definitely, it ensures that the packets reach their destination accurately.

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Vinnie

1 year ago

User 2: Yes, that's true. It helps in efficient routing of data packets.

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Julene

1 year ago

User 1: I think D is correct too. The label-based routing is common in MPLS protocols.

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Twana

1 year ago

Hmm, I'm not too sure about this one. I'd have to review my GMPLS notes again. Hopefully, I don't end up in an optical illusion during the exam!

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German

1 year ago

User 2: I agree, that sounds right. Let's double-check our notes just to be sure.

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Odette

1 year ago

User 1: I think the correct statement is A) An OCH LSP can be routed through an ODU LSP.

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Marjory

1 year ago

I think option B is correct. An ODU LSP can be routed through an OCH LSP, as the optical layer can provide a transparent transport for the ODU.

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Noel

1 year ago

I think option D is false. The routing of ODU frames is not based on their label.

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Leonora

1 year ago

I believe option C is incorrect. An ODU LSP is not necessarily between two photonic layer nodes.

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Chauncey

1 year ago

But I think option A is also true. An OCH LSP can be routed through an ODU LSP.

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Shad

1 year ago

I agree, option B is correct. The OCH LSP can carry the ODU LSP.

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Elise

1 year ago

But A makes sense because an OCH LSP can carry an ODU LSP.

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Norah

1 year ago

I disagree, I believe it's B.

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Elise

1 year ago

I think the correct statement is A.

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