When a packet is sent from Host 1 to Server 1, in how many different frames will the packet be encapsulated as it is sent across the internetwork?（）
- A、0
- B、1
- C、2
- D、3
- E、4
正确答案:D
答案解析:有
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When a packet is sent from Host 1 to Server 1, in how many different frames will the packet be encapsulated as it is sent across the internetwork?（）
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