Network glossary

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Network-A network is 2 or more devices connected together to share things like information or resources. e.g. Alexa, Xbox, Speaker, Tesla, Computer/Laptop etc.

Node-A device connected to a network.

Packet-A chunk of data that forms part of a message.

Hardware-he physical parts of a network.

LAN(Local Area Network)-A network that covers a small building or area.

WAN(Wide Area Network)-A network that covers at least on mile in distance, it connects LANs together.

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Lesson 2:

Router-A device sends packets between networks. It makes decisions about where to send data and by what route.

WAP-Wireless access point. A device that allows devices to connect to a network using standards such as Wi-Fi and Bluetooth.

Switch-Filters and forwards data packets directly to the intended recipient.

Hub-Filters and forwards data packets to all connected nodes.

NIC-Network Interface Controller. A computer component that allows a computer to connect to a network

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Lesson 3:

MAC Address-A unique number assigned to each NIC. Identifies any device on a network. It is unique to a NIC.

IP Address-A unique number that identifies a device on the Internet.(32 bits)It can be changed manually.

Client Server Network-Most common way to organize a LAN. One or more computers are designated servers. A server typically looks after:

-Logins and Security

-File Handling

-Printing

-Internet Access

Peer to Peer Network-All computers are considered equal. Functionality can be divided amongst nodes. Each computer can act as a server.