Glossary terms from Course 3, Week 1
Terms and definitions from Course 3, Week 1
Bandwidth: The maximum data transmission capacity over a network, measured by bits per second
Cloud computing: The practice of using remote servers, application, and network services that are hosted on the internet instead of on local physical devices
Cloud network: A collection of servers or computers that stores resources and data in remote data centers that can be accessed via the internet
Data packet: A basic unit of information that travels from one device to another within a network
Hub: A network device that broadcasts information to every device on the network
Internet Protocol (IP): A set of standards used for routing and addressing data packets as they travel between devices on a network
Internet Protocol (IP) address: A unique string of characters that identifies the location of a device on the internet
Local Area Network (LAN): A network that spans small areas like an office building, a school, or a home
Media Access Control (MAC) address: A unique alphanumeric identifier that is assigned to each physical device on a network
Modem: A device that connects your router to the internet and brings internet access to the LAN
Network: A group of connected devices
Open systems interconnection (OSI) model: A standardized concept that describes the seven layers computers use to communicate and send data over the network
Packet sniffing: The practice of capturing and inspecting data packets across a network
Port: A software-based location that organizes the sending and receiving of data between devices on a network
Router: A network device that connects multiple networks together
Speed: The rate at which a device sends and receives data, measured by bits per second
Subnetting: The subdivision of a network into logical groups called subnets
Switch: A device that makes connections between specific devices on a network by sending and receiving data between them
TCP/IP model: A framework used to visualize how data is organized and transmitted across a network
Transmission Control Protocol (TCP): An internet communication protocol that allows two devices to form a connection and stream data
User Datagram Protocol (UDP): A connectionless protocol that does not establish a connection between devices before transmissions
Wide Area Network (WAN): A network that spans a large geographic area like a city, state, or country
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