问答题
一个不多于50台主机的网络,合适它的掩码是多少?
255.255.255.192
问答题 whatisadministrativedistance.
问答题 InmulticastnetworkhowtoselectDR?andwhatistheorder?
问答题 WhatfieldinIPpacketispreventthepacketfromaroutetorouterforever?