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Which of the following statements regarding layer-2 switch is incorrect?
Huawei H12-211 Exam
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Question 54
Which of the following statements regarding layer-2 switch is incorrect?
A. The switch learns MAC addresses automatically.
B. The layer-3 header is modified before the received packet is transmitted.
C. The layer-2 header is modified before the received packet is transmitted.
D. The layer-2 LAN switch operates at data link layer.
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