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Juniper JN0-650 Exam - Topic 1 Question 1 Discussion

You are enabling CoS throughout your enterprise network using the DSCP bits. You plan to use an MF classifier on all edge devices while using BA classifiers on all transit core devicesIn this scenario, what should you use to provide consistent handling of traffic?
A) You should implement rewrite rules on the edge devices' egress interfaces to rewrite the DSCP bits as it leaves the device toward the core.
B) You should implement rewrite rules on the edge devices' ingress interfaces to rewrite the DSCP bits as it enters the device.
C) You should implement rewrite rules on the core devices' ingress interfaces to rewrite the DSCP bits as it enters the device.
D) You should implement rewrite rules on the core devices' egress interfaces to rewrite the DSCP bits as it leaves the device toward other core devices.

Juniper JN0-650 Exam - Topic 1 Question 1 Discussion

Actual exam question for Juniper's JN0-650 exam
Question #: 1
Topic #: 1
[All JN0-650 Questions]

You are enabling CoS throughout your enterprise network using the DSCP bits. You plan to use an MF classifier on all edge devices while using BA classifiers on all transit core devices

In this scenario, what should you use to provide consistent handling of traffic?

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Suggested Answer: A

by Filiberto at Jan 24, 2026, 05:06 PM

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Bev
24 days ago
Wait, can we really rewrite DSCP bits like that? Sounds sketchy!
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Ricarda
29 days ago
D) is definitely overkill for this scenario.
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Shenika
1 month ago
C) seems risky, not sure it’s the best choice.
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Coleen
1 month ago
I disagree, B) makes more sense for ingress traffic.
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Patria
2 months ago
A) is the way to go for consistent handling.
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Oneida
2 months ago
Wait, is this a trick question? I'm going to go with option A just to be safe.
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Dahlia
2 months ago
Option C is the way to go. Rewriting the DSCP bits on the core devices' ingress interfaces is the most straightforward approach.
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Lashawnda
2 months ago
Haha, I bet the network admin who comes up with these questions has a twisted sense of humor. Option D is clearly the answer, though.
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Salina
2 months ago
I'm leaning towards option B. Rewriting the DSCP bits as they enter the edge devices seems more logical to me.
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Janae
2 months ago
Option A seems like the way to go. Rewriting the DSCP bits on the edge devices' egress interfaces ensures consistent handling throughout the network.
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Jerry
3 months ago
I vaguely recall that egress rules on core devices might be the right choice, but I can't remember the exact reasoning behind it.
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Markus
3 months ago
I’m a bit confused about whether to apply the rewrite rules on the edge or core devices. I thought it was more about ingress for edge devices?
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Mira
3 months ago
I think we practiced a similar question where we had to decide on rewrite rules, and I feel like it was about egress interfaces for core devices.
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Erin
4 months ago
I remember we discussed the importance of consistent DSCP handling, but I'm not sure if it should be on ingress or egress interfaces.
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Gerry
4 months ago
Okay, I've got it. Since we're using different classifiers, we need to rewrite the DSCP bits at the edge devices' ingress interfaces to ensure consistent handling of traffic in the core. Option B is the answer.
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Terrilyn
4 months ago
Alright, let me break this down. We're using an MF classifier at the edge and BA classifiers in the core, so we need to make sure the DSCP bits are consistent between the two. I think option B might be the way to go here.
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Michell
4 months ago
I'm a bit confused here. Do I need to rewrite the DSCP bits at the edge, the core, or both? I want to make sure I understand the flow of traffic before answering.
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Angella
4 months ago
Okay, I think I've got this. The question is asking about providing consistent handling of traffic, so I'll need to look at the DSCP bits at the edge and core devices.
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Odelia
5 months ago
Hmm, this seems like a tricky one. I'll need to think carefully about the flow of traffic and where the DSCP bits need to be consistent.
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