When an IP packet is Layer 3-switched from a source in one VLAN to a destination in anotherVLAN, which field in a packet will be rewritten? （）
- A、Layer 2 TTL
- B、Layer 3 TTL
- C、Layer 3 source address
- D、Layer 3 transport protocol
- E、Layer 3 destination address
正确答案:B
答案解析:有
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