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Cisco 350-501 Exam - Topic 4 Question 101 Discussion

What is a characteristics of the Pipe model for MPLS QoS?
C) The MPLS EXP bits are set by the CE.
A) The same QoS policy is applied to all customer traffic on the egress PE.
B) If the outer EXP is changed, it is copied to the DSCP value.
D) The DSCP value determines how the packet is forwarded

Cisco 350-501 Exam - Topic 4 Question 101 Discussion

Actual exam question for Cisco's 350-501 exam
Question #: 101
Topic #: 4
[All 350-501 Questions]

What is a characteristics of the Pipe model for MPLS QoS?

Show Suggested Answer Hide Answer
Suggested Answer: C

In the Pipe model of MPLS QoS, the MPLS EXP bits are set by the Customer Edge (CE) device. This model allows the CE to mark the packets, and these markings are retained throughout the MPLS network until they reach the egress Provider Edge (PE) router. The PE router does not alter the MPLS EXP value, ensuring that the QoS policy applied by the customer is preserved end-to-end.


by Manu at Sep 29, 2024, 11:39 PM

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Katlyn
9 months ago
A bit surprised, thought it varied by traffic type.
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Beatriz
9 months ago
Wow, I didn't know that about the DSCP value!
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Whitney
10 months ago
C is misleading, the CE doesn't set the EXP bits.
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Wilda
10 months ago
I disagree, B is the key point here.
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Theola
10 months ago
A is correct! Same policy for all traffic.
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Jaime
10 months ago
I thought the MPLS EXP bits were set by the provider, not the CE. This is confusing!
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Belen
11 months ago
I practiced a question similar to this, and I think the DSCP value plays a role in forwarding decisions, but I need to double-check.
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Florencia
11 months ago
I remember something about the outer EXP being related to DSCP, but I can't recall the exact details.
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Leonora
11 months ago
I think the Pipe model means that the same QoS policy applies to all traffic, but I'm not entirely sure if that's the right choice.
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Toi
11 months ago
Okay, I think I've got this. The Pipe model copies the outer EXP to the DSCP value, so option B seems like the right choice here.
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Maira
11 months ago
The key thing to remember about the Pipe model is that the MPLS EXP bits are set by the CE, not the PE. So I think the correct answer is C.
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Belen
11 months ago
Hmm, I'm a bit confused on the details of the Pipe model. I'll need to review my notes to make sure I understand the characteristics before selecting an answer.
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Della
11 months ago
I'm pretty sure the Pipe model for MPLS QoS means the same QoS policy is applied to all customer traffic on the egress PE, so I'll go with option A.
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Kattie
2 years ago
Pipe down, guys. I think A is the only one that makes sense for the Pipe model characteristics.
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Phung
2 years ago
Definitely, A is the most logical choice for the Pipe model.
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Ernestine
2 years ago
Yeah, A is the one where the same QoS policy is applied to all customer traffic.
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Elin
2 years ago
I agree, A is the correct characteristic for the Pipe model.
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Maryanne
2 years ago
I bet the guy who wrote this question had a pipe dream about the Pipe model. Haha!
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Keshia
2 years ago
The DSCP value determining the forwarding? Nope, that's not the Pipe model either. D is not the right answer.
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Jeannetta
2 years ago
The CE sets the MPLS EXP bits? No way, that's not the Pipe model. C is incorrect.
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Chuck
2 years ago
D) The DSCP value determines how the packet is forwarded
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Delisa
2 years ago
B) If the outer EXP is changed, it is copied to the DSCP value.
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Rikki
2 years ago
A) The same QoS policy is applied to all customer traffic on the egress PE.
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Tricia
2 years ago
I think the answer is D, because the DSCP value determines packet forwarding.
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Lillian
2 years ago
But A makes sense because it ensures consistent QoS for all customer traffic.
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Hoa
2 years ago
I disagree, I believe the answer is B.
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Santos
2 years ago
Changing the outer EXP and copying it to the DSCP? That's not how the Pipe model works, so B is wrong.
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Dulce
2 years ago
D) The DSCP value determines how the packet is forwarded
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Hubert
2 years ago
C) The MPLS EXP bits are set by the CE.
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Vicki
2 years ago
A) The same QoS policy is applied to all customer traffic on the egress PE.
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Lillian
2 years ago
I think the answer is A.
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Latosha
2 years ago
The Pipe model is all about applying the same QoS policy on the egress PE, so A is definitely the correct answer.
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Hailey
2 years ago
C) The MPLS EXP bits are set by the CE.
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Natalie
2 years ago
B) If the outer EXP is changed, it is copied to the DSCP value.
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Nohemi
2 years ago
A) The same QoS policy is applied to all customer traffic on the egress PE.
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