摘要:
一、ARP的作用。 首先在window 的命令行中输入arp -a即可查看本机的arp缓存表。主机要发送数据包时,需要填充目的IP及其IP地址对应的MAC。当我们只有目的IP地址时,如何得到其对应的MAC地址? 此时ARP的作用就体现出来了。ARP就是通过IP来获取其对应的MAC地址。接下来阐述具体 阅读全文
摘要:
A graph which is connected and acyclic can be considered a tree. The height of the tree depends on the selected root. Now you are supposed to find the 阅读全文