QuestionQ49

Media and QoS

Which field is set when CoS is used to mark an Ethernet frame?

  • A IPP bits
  • B DCSP bits
  • C IP ECN bits
  • D 802.1p User Priority bits
Explanation

Ethernet CoS uses the IEEE 802.1p User Priority (PCP) bits in the 802.1Q VLAN tag to indicate Layer 2 traffic priority.

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