What Is the Internet?
The giant network that connects computers all around the world.
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What Is a Computer Network?
When computers connect so they can talk and share things.
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LAN vs. WAN
Local networks vs. the wide networks that connect places across the world.
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What Is an ISP?
The company that connects your devices to the internet.
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What Is Wi-Fi?
Connecting your devices to the internet without wires.
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What Is Ethernet?
The cable connection that helps devices talk fast and reliably.
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What Is Bluetooth?
Short-range wireless that lets devices talk without cables.
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What Is a Router?
The little device that keeps your internet moving.
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What Is a Modem?
The translator that connects your home network to your internet provider.
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What Is a Switch?
The helper that lets wired devices talk on the same network.
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What Is Bandwidth?
How much data your connection can carry, like lanes on a highway.
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What Is Latency?
The delay before data starts its journey.
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What Is the OSI Model?
A 7-layer roadmap for how computers talk over a network.
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What Is a Packet?
The tiny travel-sized boxes of data that make the internet work.
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What Is a Data Center?
A special building full of computers that store and share data 24/7.
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What Is a MAC Address?
The local network name tag that helps devices find each other.
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What Is DHCP?
How devices get the right network settings automatically.
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What Is NAT?
How one router lets many devices share one internet connection.
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What Is a Subnet?
A smaller part of a network that helps devices stay organized.
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What Are VLANs?
Splitting one network into logical segments for security and order.
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