If an Ethernet data frame is Length/type=0x8100, which of the following statements is correct?

Question

Options

• AThis data frame must carry VLAN TAG
• BThere must be a UDP header in the upper layer of this data frame
• CThe upper layer of this data frame must existIP header
• DThere must be a TCP header in the upper layer of this data frame

• A
  4% (2)
• B
  9% (4)
• C
  72% (34)
• D
  15% (7)

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