如果在一台主机的Windows环境下执行命令Ping www.pku.edu.cn得到下列信息
Pinging www.pku.edu.cn [162.105.131.113] with 32 bytes of data:
Request timed out.
Request timed out.
Request timed out.
Request timed out.
Ping statistics for 162.105.131.113:
Packets: Sent=4, Received=0, Lost=4 (100% loss)
那么下列结论中无法确定的是()
- A.为www.pku.edu.cn提供名字解析的服务器工作正常
- B.本机配置的IP地址可用
- C.本机使用的DNS服务器工作正常
- D.本机的网关配置正确
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