What is network? Connected Devices? what is network criteria in data communication?
Introduction to network .... Computer network ? What is network : A network is the interconnection of a set of devices capable of communication. A device can be a host such as a large computer, desktop, laptop, workstation, cellular phone, or security system. A device in this definition can also be a connecting device. What are Connected Devices ? 1_Router which connects the network to other networks . 2_Switch: which connects devices together, 3_modem (modulator-demodulator): which changes the form of data. These devices in a network are connected using wired or wireless transmission media such as cable or air. what is network criteria in data communication? What are the data communication criteria : What is Network Criteria : 1__Performance: Performance can be measured in many ways, including transit time and response time. What are the criteria to evaluate the performance of a network ? 1_Transit time : is the amount of ...