![]() ![]() It is placed between a telephone line and a router or directly to the computer. Router examines all data packet before forwarding it, that helps to identify a threat. Therefore, the security threat is always there. The modem does not help to examine the data packet. Router can be operated at the Data Link Layer, Network Layer, and Physical Layer. The modem operates on the Datalink layer. ![]() You can access the Internet without the need for a modem. It is used for accessing the Internet as it connects your computer to the ISP. The router is a networking device that allows you to associate various networks with each other for LAN and WAN networks. Many routers also contain wireless radios that let you connect Wi-Fi devices.Ī Modem modulates and demodulates signals. Moreover, many routers also contain built-in switches that allow you to connect multiple wired devices. It has one connection to the internet and one connection to your private local network. How Router Works?Ī router connects multiple networks and tracks network traffic between them. The device sends and receives an electrical signal with the help of wires, using a few MHz. These copper wires travel from your property to a neighborhood node, and to your service provider, which may be several miles away. The modem connects with ISP that offers either cable or DSL Internet service. Router also makes sure that information does make it to the intended destination.Packet Forwarding, Switching and filtering. ![]()
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