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