300-415 · Question #8
Which scheduling method is configured by default for the eight queues in the cloud vEdge router?
The correct answer is A. weighted round robin. By default, the eight queues on a cloud vEdge router use the Weighted Round Robin (WRR) scheduling method.
Question
Options
- Aweighted round robin
- Bpriority queue
- Clow latency queue
- Dweighted random early detection
How the community answered
(35 responses)- A91% (32)
- B6% (2)
- D3% (1)
Why each option
By default, the eight queues on a cloud vEdge router use the Weighted Round Robin (WRR) scheduling method.
The default scheduling method for the eight queues on a vEdge router, including cloud vEdges, is Weighted Round Robin (WRR). WRR ensures that queues are serviced based on their assigned weights, providing a fair distribution of bandwidth among different traffic classes.
Priority queuing is a different scheduling method where higher-priority traffic is always served first, which is not the default.
Low Latency Queuing (LLQ) is a combination of priority queuing and weighted fair queuing, designed for delay-sensitive traffic like voice, and it's not the default for all eight queues.
Weighted Random Early Detection (WRED) is a congestion avoidance mechanism, not a scheduling method.
Concept tested: vEdge QoS default queue scheduling
Source: https://www.cisco.com/c/en/us/td/docs/routers/sdwan/configuration/qos/sdwan-qos-book/sdwan-qos-book-chapter_01.html
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