pingwww.aaa.cnPingingwww.aaa.cn[202.117.112.36]with32bytesofdata:.Replyfrom202.117.112.36:Destinationnetunreachable.Replyfrom202.117.112.36:Destinationnetunreachable.Replyfrom2..." />
某網(wǎng)絡(luò)中PC1無(wú)法訪問(wèn)域名為www.aaa.cn的網(wǎng)站,而其他主機(jī)訪問(wèn)正常,在PC1上執(zhí)行ping命令時(shí)有如下所示的信息:
C:>ping www.aaa.cn
Pinging www.aaa.cn[202.117.112.36] with 32 bytes of data: .
Reply from 202.117.112.36: Destination net unreachable.
Reply from 202.117.112.36:Destination net unreachable.
Reply from 202.117.1 12.36:Destination net unreachable.
Reply from 202.1 17.112.36: Destination net unreachable.
Ping statistics for 202.117.112.36:
Packets: Sent=4,Received=4,Lost=O(0% loss),
Approximate round trip tunes in milli-seconds:
Minimum=0ms, Maximum=0ms, Average=0ms
造成該現(xiàn)象可能的原因是(53)。
A.DNS服務(wù)器故障
B.PC1上TCP/lP協(xié)議故障
C.遭受了ACL攔截
D.PC1上hternet屬性參數(shù)設(shè)置錯(cuò)誤