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Gateway

                                                  As the name implies, a gateway is a path that connects two networks that may
                                                  use different networking models. They essentially serve as messengers, taking
                                                  data from one system, interpreting it, and transferring it to another. Gateways,
                 also known as protocol converters, can function at any layer of the network. Switches and routers are less complicated
                 than gateways. A protocol converter is another name for a gateway.

                 RJ-45


                 A registered jack (RJ) is a physical network interface that is used to connect telecommunications
                 or data devices. Both ends of Ethernet cables have RJ45 connections. As a result, an Ethernet
                 cable  is  frequently  called  an  RJ45  cable.  Computers  are  frequently  connected  to  Ethernet
                 networks using these wires.

                                      Wi-Fi Card

                                      Wi-Fi cards are small, portable devices that connect your desktop or laptop computer to the
                                      internet over a wireless network. Radio waves are used to transmit Wi-Fi signals. The radio
                                      signals are transmitted by the antenna and picked up by Wi-Fi receivers such as PCs and cell
                                      phones with Wi-Fi cards. To receive the signals, these devices must be within the range of a
                                      Wi-Fi network. The signals are then read by the Wi-Fi card, which creates a wireless internet
                                      connection. Many contemporary laptops, mobile devices, and other electronic gadgets have
                                      wireless networking capabilities and do not require a Wi-Fi card.
                 Modem


                 A modulator-demodulator, or modem, is a hardware device that allows a computer to
                 send and receive data through a phone or cable line. It converts data from a digital
                 format into a format suitable for an analog transmission and vice-versa.



                                                  Lab Assignment ‘n Activity                    #Experiential Learning




                    Tryout the following networking simulators:
                    •  Netsim (https://netsim.erinn.io/) is a simulator game with a focus on security that aims to teach you the
                      fundamentals of how computer networks work. By using the simulator, students may practise attacks that
                      actual hackers employ and see how they operate. Playing Netsim is totally free. Log in or create a new
                      account to get started!




















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