300-415 · Question #159
Refer to the exhibit. A network administrator is setting the queuing value for voice traffic for one of the WAN Edge routers using vManage GUI. Which queue value be set to accomplish this task?
The correct answer is A. 0. This question asks for the correct queue value to prioritize voice traffic when configuring QoS on a Cisco SD-WAN WAN Edge router via vManage GUI.
Question
Options
- A0
- B1
- C2
- D3
How the community answered
(38 responses)- A92% (35)
- B5% (2)
- D3% (1)
Why each option
This question asks for the correct queue value to prioritize voice traffic when configuring QoS on a Cisco SD-WAN WAN Edge router via vManage GUI.
In many Cisco QoS implementations, the lowest queue number, typically 0, is designated for the highest priority traffic. Voice traffic requires strict low latency and minimal jitter, making it a prime candidate for the highest-priority queue, commonly queue 0 in the vManage QoS configuration.
While 1 is a low queue number, 0 is typically the absolute highest priority queue when available for critical traffic like voice.
Concept tested: Cisco SD-WAN QoS voice traffic prioritization
Source: https://www.cisco.com/c/en/us/td/docs/routers/sdwan/configuration/sdwan-xe-gs-book/m-qos.html
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