Which QoS technique smooths packet output rate?
- policing
- shaping
- weighted random early detection
- Integrated Services (IntServ)
- marking
Explanation: Traffic shaping is a QoS mechanism that retains excess packets in a queue and schedules them for transmission over time. This process results in a smoothed packet output rate. Unlike policing, which drops excess traffic immediately, shaping requires a queue and sufficient memory to buffer and delay packets for later transmission.
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