Use this for mobility. It’s convenient but can be slowed down by walls, microwaves, or too many nearby networks. 4. Keeping it Secure
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. 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. Use this for mobility
The "Power Strip." If you run out of physical ports on your router, a switch adds more "plugs" for wired devices like gaming consoles or desktop PCs. Keeping it Secure These extend your Wi-Fi signal
The "Phonebook." It translates human-friendly names (google.com) into the IP addresses (142.250.190.46) that computers use. 3. Wired vs. Wireless
Use this for things that stay put (TVs, PCs). It’s faster, more stable, and more secure.
The system that automatically assigns those IP addresses so you don't have to do it manually.