The D-Link DNS-120 is a compact and affordable router designed for home and small office use. It features four Ethernet ports and supports wireless connectivity through its built-in 802.11n Wi-Fi module. The router supports advanced security features such as WPA/WPA2 encryption and a built-in firewall to protect your network from malicious attacks. It is easy to set up and manage through its web-based configuration interface, making it ideal for users with little networking experience.

The DNS-120 is a router manufactured by the company D-Link that allows multiple devices to connect to a network and communicate with each other. It works by receiving data packets from devices and forwarding them to their intended destination. The router is assigned a unique IP address , which serves as its identifier on the network.

To access the router's settings and configure its functions, users can log in using a web browser and their and . Once logged in, users can customize various settings such as network name, password, and security protocols. They can also set up parental controls, prioritize bandwidth usage, and monitor network activity.