如果在一台主机的Windows环境下执行Ping命令得到下列信息Pinging www.nankai.edu.cn [202.113.16

如果在一台主机的Windows环境下执行Ping命令得到下列信息

Pinging www.nankai.edu.cn [202.113.16.33] with 32 bytes of data:

Reply from 202.113.16.33: bytes=32 time<1ms TTL=128

Reply from 202.113.16.33: bytes=32 time<1ms TTL=128

Reply from 202.113.16.33: bytes=32 time<1ms TTL=128

Reply from 202.113.16.33: bytes=32 time<1ms TTL=128

Ping statistics for 202.113.16.33:

Packets: Sent = 4, Received = 4, Lost = 0 (0％loss),

Approximate round trip times in milli-seconds:

Minimum = 0ms, Maximum = 0ms,Average = 0ms

那么下列结论中无法确定的是

A）为www.nankai.edu.cn提供名字解析的服务器工作正常

B）本机使用的DNS服务器工作正常

C）主机www.nankai.edu.cn上WWW服务工作正常

D）主机www.nankai.edu.cn的网关配置正确