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Network #1
From 1.0
| Term | Definition |
|---|---|
| Components of Data Communication | Sender, Receiver, Message, Transmission Media, Protocol |
| Data Representation | Text, Number, Images, Audio, Video |
| Network | Connection of communication-capable devices. Consists of nodes, links, and interfaces |
| Types of nodes | End nodes and Connecting (networking) nodes |
| End nodes | Originates or terminates data. Examples - PC, servers, phones |
| Connecting (networking) nodes | Forwards data from one port to another. Examples - modems, switches, access points, routers |
| Internet | Global system of interconnected computer networks. Linked by electronic, wireless, and optical networking technologies |
| Internet standard | Tested specification that is followed by those who work with the Internet. Made by Internet Engineer’s Task Force (IETF) |
| Standardized Bodies | Organizations that develop/organize standards so they work in a consistent way. Gives everyone understanding of best (industry) practices |
| Types of Standardized Bodies | International, Regional, Country, Other |
| Internet Service Provider(ISP) | Other - Business providing internet access and more |
| Institute of Electrical and Electronics Engineers(IEEE) | Other - Promote development and education in electrical engineering and compsci |
| Standards Council of Canada(SCC) | Country - Picks up where the law left off. Doesn’t develop, it helps other organizations participate in international standards |
| International Telecommunication Union(ITU) | International - Radio, Satellite and phone specifications, network infrastructure, tariffs |
| International Organization for Standardization(ISO) | International - Global entity that gives standards to facilitate global exchange of info and trade |
| Internet Society(ISOC) | International - Establish technical standards for the internet |
| Internet Assigned Numbers Authority(IANA) | International - Keep records of available and reserved IPs and determines how they’re given out |
| Internet Corporation for Assigned Names and Numbers (ICANN) | International - Ultimately responsible for IP addressing and domain name management |
| World Wide Web Consortium(W3C) | Main standards - HTML, CSS, XML, DOM |
| Residential gateway | Ethernet switch, Wi-Fi Access Point(AP), Basic router, Firewalling |
| Peering | a process by which two Internet networks connect and exchange traffic |
| Request for Comment(RFC) | Document from the Internet Engineering Task Force (IETF) containing specifications about internet and computer networking topics |
| Physical topologies of Networks | Mesh, star, ring, hybrid |
| Mesh topology | Full - each node is connected to every other node. Partial - not all are connected. Expensive topology |
| Star topology | Connected to a central controller node. Point to point. No connection between end nodes |
| Ring topology | Networking nodes (point to point). End nodes are connected to networking nodes. get data on the ring. Used in optical fiber network |
| Hybrid topology | More than one basic topology. Practical. "tree" topology is an extended star |
| Simplex data flow | Data takes one direction |
| Half duplex | Data goes both directions. Can’t send and receive at the same time |
| Full duplex | Send and receive at the same time |
Created by:
jolly_n4
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