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Ericsson Exam ECP-206 Topic 5 Question 29 Discussion

Actual exam question for Ericsson's ECP-206 exam
Question #: 29
Topic #: 5
[All ECP-206 Questions]

In your network, video traffic is being marked with DSCP code AF31.

Based on industry standard practice, which code would you use to assign higher priority to VoIP traffic?

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Suggested Answer: A

The code that is commonly used to assign higher priority to VoIP traffic is EF, which stands for Expedited Forwarding. EF is a per-hop behavior (PHB) defined by the Differentiated Services (DiffServ) model for QoS. EF provides low delay, low jitter, and low loss for real-time applications such as VoIP.EF is marked by setting the DSCP value to 101110, which corresponds to decimal 4678. AF31, which stands for Assured Forwarding class 3 low drop probability, is another PHB defined by DiffServ, but it provides lower priority than EF.AF31 is marked by setting the DSCP value to 011010, which corresponds to decimal 2678. DF, which stands for Default Forwarding, is a PHB defined by DiffServ that provides best-effort service for unmarked traffic.DF is marked by setting the DSCP value to 000000, which corresponds to decimal 078. AF11, which stands for Assured Forwarding class 1 low drop probability, is another PHB defined by DiffServ, but it provides lower priority than EF and AF31.AF11 is marked by setting the DSCP value to 001010, which corresponds to decimal 1078.


by Mirta at Sep 18, 2024, 07:28 AM

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Hailey
2 months ago
I'm not sure about this one. Can someone explain why EF is the best choice for prioritizing VoIP traffic over video traffic marked with AF31?
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Regenia
2 months ago
AF21? More like 'Awfully Frustrating 21' if you ask me. EF is the clear winner here.
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Gerald
1 months ago
EF is the industry standard for prioritizing VoIP traffic, so it's the clear winner.
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Shizue
1 months ago
AF21 might be frustrating, but EF is definitely the way to go for VoIP.
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Laquita
2 months ago
I agree, EF is the best choice for assigning higher priority to VoIP traffic.
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Jani
2 months ago
I agree with Gail. EF is the Expedited Forwarding codepoint, which is commonly used for VoIP traffic to ensure low latency and high quality.
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Gail
3 months ago
I think the answer is A) EF because it provides the highest priority for VoIP traffic.
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Davida
3 months ago
Hey, I heard that DF stands for 'Delicious Fries' - maybe we should just go with that for VoIP!
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Sharika
3 months ago
EF is the way to go for VoIP traffic. That's the industry standard, right?
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Nichelle
3 months ago
That's correct. EF is the code used to assign higher priority to VoIP traffic.
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Leah
3 months ago
Yes, EF is the industry standard for VoIP traffic.
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