How Do Fiber Optic Cables Work?
Transmitting information as pulses of light through strands of glass or plastic.
How Do Satellites Communicate?
Using high-frequency radio waves or lasers transmitted through the vacuum of space.
How Do Submarine Cables Work?
The massive fiber-optic lines on the ocean floor that carry 99% of international data.
How Does Bluetooth Work?
Connecting devices wirelessly using short-range, low-power radio waves.
How Does the Internet Work?
The global network of cables, servers, and protocols that connect us all.
How Does WiFi Work?
Transmitting network data using specific frequencies of radio waves.
What is a Firewall?
A network security system that monitors and controls incoming and outgoing network traffic.
What is a Protocol (Networking)?
A standardized set of rules for formatting and processing data so computers can talk.
What is a Proxy Server?
An intermediary server that acts as a middleman between your computer and the internet.
What is a VPN?
Creating a secure, encrypted connection over a less secure network like the internet.
What is an IP Address?
The unique string of numbers identifying every device on the internet.
What is the Internet of Things (IoT)?
The network of everyday objects embedded with sensors to connect and exchange data.