These extend your Wi-Fi signal to far corners of the building so you don't have "dead zones." 2. The Language of Networking (Protocols) For devices to talk, they need a common language.
A digital wall that inspects incoming data and blocks anything suspicious. The Basic Networking Blueprint
The "Phonebook." It translates human-friendly names (google.com) into the IP addresses (142.250.190.46) that computers use. 3. Wired vs. Wireless These extend your Wi-Fi signal to far corners
Use this for mobility. It’s convenient but can be slowed down by walls, microwaves, or too many nearby networks. 4. Keeping it Secure The Basic Networking Blueprint
Every device has a unique "mailing address" (e.g., 192.168.1.1 ). This ensures data sent to your laptop doesn't accidentally end up on your neighbor's printer.