The purpose of the network layer is to help route messages between different local networks. Central to this layer is the concept of exclusive network addresses, where every terminal connected to the ...

For both CCENT and CCNA level questions, you need to know a handful of key facts if you want to predict the values of MAC addresses, IP addresses, and TCP/UPP port numbers of a packet. Today I’ll ...

Modern networks are critical for any enterprise. Networks deliver business applications, multimedia messages and key data to end users around the world. A fundamental element that networks have in ...