Topology of Internet working principle

Internet working principle topology diagram template , A computer network is made up of many computers , To achieve data transmission between networks , Two things have to be done , The destination address of data transmission and the measures to ensure the rapid and reliable transmission of data .
A computer network is made up of many computers , To achieve the network between computers to transfer data , Two things have to be done , The destination address of data transmission and the measures to ensure the rapid and reliable transmission of data .
Topology diagram used in computer network schematic , That is, regardless of the actual location of the computer , It only represents the relationship between each computer and network equipment in the network . 2. Basic terms : node , A node is a network unit .
Network topology , Switch , firewall , host ,NIC Hub , Intranet firewall , Router , Internet , External access , Subnet .