试题十三、某计算机，用命令netstat-s-a得到如下结果:
IP Statistics
Packets Received =12952
Received Header Errors =0
Received Address Errors =1
Datagrams Forwarded =0
Unknown Protocols Received =0
Received Packets Discarded =0
Received Packets Delivered =12952
TCP Statistics
Active Opens =415
Passive Opens =0
Failed Connection Attempts =14
Reset Connections =48
Current Connections =0
Segments Received =4746
Segments Sent =4114
Segments Retransmitted =32
UDP Statistics
Datagrams Received =1725
No Ports =6481
Receive Errors =0
Datagrams Sent =1725
问题：
1、该机器收到多少IP数据包？收到多少TCP段？收到多少UDP包？
2、IP数据包头出现错误的包有几个？
3、发送了多少TCP段和UDP包？
|