Nokia Exam 4A0-107 Topic 6 Question 80 Discussion

Actual exam question for Nokia's 4A0-107 exam

Question #: 80
Topic #: 6

[All 4A0-107 Questions]

Which of the following statements are TRUE regarding the PE device in a QoS enabled network? (Choose two)

AA device that provides no differentiation between customer traffic flows.

BA device that classifies and marks customer traffic.

CA device that uses MPLS EXP bits to differentiate between traffic flows.

DA device that creates macroflows towards the core from multiple customer sites.

EA device that passes macroflows while optionally changing QoS markings.

Show Suggested Answer

Suggested Answer: D

by Amos at Jan 25, 2025, 11:41 PM

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Ula

1 months ago

I don't know, this question seems a bit fishy to me. What's with all these jargon-y terms like 'macroflows' and 'EXP bits'? Are we sure the exam writers aren't just trying to confuse us? *chuckles* But I guess that's what they get paid for, right?

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Joanne

1 months ago

This question is a piece of cake! As long as you remember that the PE device is all about classification, marking, and passing macroflows, you've got this. Now, if only I could remember what a 'macroflow' is again...

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Truman

12 days ago

B) A device that classifies and marks customer traffic.

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Cherelle

2 months ago

Hmm, I'm not sure about D. Creating macroflows from multiple customer sites sounds more like something a router would do, not a PE device. But I could be wrong, let me double-check my notes.

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Cassandra

8 days ago

C is also true, as PE devices use MPLS EXP bits to differentiate traffic flows.

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Ma

14 days ago

Yes, a PE device is more about classifying and marking customer traffic, like option B.

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Yvonne

1 months ago

I think you're right, D doesn't seem to be a characteristic of a PE device.

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Margurite

2 months ago

I'm pretty sure C is also true. The PE device should use MPLS EXP bits to differentiate between traffic flows, right? I remember learning that in class.

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Keneth

1 months ago

I agree, C is true. The PE device does use MPLS EXP bits to differentiate between traffic flows.

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Rikki

1 months ago

Yes, you're correct. C is one of the true statements about the PE device in a QoS enabled network.

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Barney

2 months ago

I'm not sure about A, D, and E. Can someone explain why they are not true for a PE device?

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Vallie

2 months ago

I agree with you, Gertude. I also think C is true because a PE device uses MPLS EXP bits to differentiate traffic flows.

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Franklyn

2 months ago

B and E seem like the correct options. The PE device in a QoS-enabled network should classify and mark customer traffic, and it should also pass macroflows while optionally changing QoS markings.

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