Discuss Ericsson ECP-206 Exam Topic 5 Question 59

A network operator wants to make sure voice data is prioritized.

In this scenario, to which Ethernet traffic class should it be assigned.

Suggested Answer: D

A network operator who wants to make sure voice data is prioritized should assign it to Ethernet traffic class 6. Ethernet traffic class is a term used to refer to the priority code point (PCP) field in the VLAN header of an Ethernet frame. The PCP field is a 3-bit field that can encode up to eight different priority levels, ranging from 0 (lowest) to 7 (highest). The PCP values can be mapped to different types of traffic according to their QoS requirements. The recommended mapping is as follows :

PCP 0: Best effort (default)

PCP 1: Background

PCP 2: Spare

PCP 3: Excellent effort

PCP 4: Controlled load

PCP 5: Video

PCP 6: Voice

PCP 7: Network control

Voice data is a type of real-time traffic that requires the highest priority and lowest delay in the network. Therefore, it should be assigned to PCP 6, which corresponds to Ethernet traffic class 6 .

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21 comments · newest first

Anissa 2 days ago

Definitely D) 6. Latency is a big issue for voice calls.

Mira 7 days ago

I feel confident about D) 6 too. It’s crucial for quality.

William 12 days ago

No way, voice needs the highest priority. D) 6 is the best choice.

Sonia 17 days ago

But what about B) 2? It’s also a good option.

Tommy 23 days ago

I agree, D) 6 makes sense for voice data.

Kanisha 28 days ago

I think it should be D) 6. Voice needs high priority.

Ruby 1 month ago

I feel B) 2 could work, but D) 6 is safer.

Annette 1 month ago

Definitely D) 6. Voice quality is crucial!

Alica 1 month ago

A) 0 seems too low for voice. Needs to be prioritized.

Flo 2 months ago

I’m leaning towards B) 2. It’s also important but not as critical.

Essie 2 months ago

I agree, D) 6 makes sense for voice.

Dominga 2 months ago

I think it should be D) 6. Voice data needs high priority.

Terrilyn 2 months ago

I thought voice was always prioritized, but this is confusing!

Haydee 2 months ago

Class 4 is actually for video, not voice.

Annabelle 2 months ago

Wait, are we sure it's not class 0?

Lon 3 months ago

Totally agree, class 2 is the way to go!

Darci 3 months ago

It should be class 2 for voice data.

Dominga 3 months ago

I definitely recall that class 0 is for best-effort traffic, so it can't be that one for voice prioritization.

Julio 3 months ago

I’m a bit confused; I thought class 2 was for voice, but I could be mixing it up with something else.

Bulah 3 months ago

I remember practicing a similar question, and I believe class 4 was mentioned for voice traffic.

France 4 months ago

I think voice data is usually prioritized in class 6, but I'm not entirely sure.

Ericsson ECP-206 Exam - Topic 5 Question 59 Discussion