You’re a network administer and you issue the command （show port 3/1） on an Ethernet port. To your surprise you notice a non-zero entry in the ’Giants’ column. What could be the cause of this？ （）
- A、 IEEE 802.1Q
- B、 IEEE 802.10
- C、 Misconfigured NIC
- D、 User configuration
- E、 All of the above
正确答案:A
答案解析:有
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