在某台主机上无法访问域名为www.aaa.cn 的网站,而局域网中的其他主机可正常访问,在该主机上执行ping命令时有如下所示的信息:
C:\>ping www.aaa.cn
Pinging www.aaa.cn [202.114.10.56]with 32 bytes of data:
Reply from 202.114.10.56:Destination net unreachable.
Reply from 202.114.10.56:Destination net unreachable.
Reply from 202.114.10.56:Destination net unreachable.
Reply from 202.114.10.56:Destination net unreachable.
Ping statistics for 202.114.10.56:
Packets:Sent =4,Received =4,Lost 0(0% 1oss),
Approximate round trip times in milli-seconds:
Minimum =0ms,Maximum =Oms,Average =0ms
分析以上信息,可能造成该现象的原因是()。