原创 Exploring the Network
1. Examples of Today's Popular Communication ToolsInstant Messaging(real-time communication)/Texting(Such as QQ, MSN) We
2018-09-12 07:10:14
原创 Application Layer
1. Applications – The Interface Between the Networkstwo programs access to the network: applications and services.Applic
2018-09-12 07:10:14