Which type of QoS marking is applied to Ethernet frames?

Last Updated: Jan 4, 2025
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Which type of QoS marking is applied to Ethernet frames?

  • IP precedence
  • DSCP
  • ToS
  • CoS

Explanation: The class of service (CoS) marking allows a Layer 2 Ethernet frame to be marked with eight levels of priority (values 0–7). This marking can be used by QoS-enabled network devices to provide preferential traffic treatment.

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