单项选择题

What field in the IP header can be used to ensure that a packet is forwarded through no more than N routers?
A、Datagram length
B、Header length
C、Type of service
D、Time-to-live

题目列表

你可能感兴趣的试题

问答题

论语(鲁迅笔名)

答案: 谜底:白道
微信扫码免费搜题