5.3.5 Networking Devices
Networking Devices Overview
Essential for network setup; facilitates communication between endpoint devices (computers, smartphones).
Ensures smooth and efficient data sharing.
Modem
Translates ISP signals for device understanding (modulates/demodulates signals).
Connects home LAN to ISP network.
Maintains ISP connection; can be provided by ISP or purchased separately.
Commonly connected to a router for wired/wireless device connections.
Router
Acts like a traffic light managing internet traffic in a home.
Ensures smooth communication and directs data accurately.
Types of Routers:
Consumer Routers:
Suitable for small offices or homes.
Offers both wired and wireless connections; limited signal strength.
Commercial Routers:
Designed for large companies with high traffic needs.
Provides only wired connections; stronger signal and higher capacity.
Configuration done via web browser or Command Line Interface (CLI) for settings like Wi-Fi names and passwords.
Firmware updates are necessary for maintenance.
Switch
Functions like delivery trucks; directs information to specific LAN destinations.
More efficient than hubs (which broadcast info to all devices).
Connects between 4 to 96 devices using RJ-45 Ethernet connections.