Which of the following statements regarding layer-2 switch is incorrect?

Question

Options

• AThe switch learns MAC addresses automatically.
• BThe layer-3 header is modified before the received packet is transmitted.
• CThe layer-2 header is modified before the received packet is transmitted.
• DThe layer-2 LAN switch operates at data link layer.

• A
  2% (1)
• B
  80% (33)
• C
  12% (5)
• D
  5% (2)

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