题目内容:
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
参考答案:
答案解析: