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Networking

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The document provides an overview of computer networking concepts including: 1) It discusses the history of networking and key events like the development of ARPANET and the World Wide Web. 2) It describes networking terminology like domains, IP addresses, packets, routers, and protocols like TCP/IP. 3) It explains networking hardware like network interface cards and how data is encapsulated and routed through layers of the OSI model when transmitted over a network.

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9 th Grade Computer Science Rotation Mr. Fedder/Mr. Crowley
Networking History of Computers Computer Architecture Hardware & Networking Software
Networking History How networking works Layers Communication Protocols DNS Tools Internet Growth
Networking: Terms Domain Download Upload traceroute ping WAN/LAN FTP Encapsulation Packet Router TCP/IP DNS Bandwidth Baud KB Mbps
History of Networking 1994 - Time magazine: It was not designed for doing commerce, and it does not gracefully accommodate new arrivals. 1995 Newsweek : BAH! baloney. THE INTERNET?
Internet Timeline DarpaNet Berners-Lee Mosaic Browser
Internet Connectivity - Growth 1991 1992 Jan. 1993 Feb. 1994 Nov. 1994 Jun. 1996 Jun. 1997
Networking - Addressing URL http://www.friendscentral.org/default.asp [email_address] E-Mail File Name Server Name Service Name Mailbox Name Domain Name Top-Level Domain Top-Level Domain Domain Name
Networking Domains Domain Hierarchy
Networking Domains http://www.friendscentral.org org org 65.61.134.112
Networking - Types
Networking - Internet Network of Networks 1 2 3 5 4
Networking Routing Single Point of Failure
Networking Routing
IP: 192.168.2.161 IP: 192.168.1.5 63.139.238.193 192.168.100.100 216.239.49.214 www.google.com 64.233.161.99 64.233.161.99 Name Server
Traceroute 192.168.100.100 63.139.238.193 216.239.49.214 64.233.161.99
Networking Communication Stack Open Systems Interconnection
Networking Communication Stack (cont.) Open Systems Interconnection
Networking Hardware Network Interface Card (NIC)
Networking Data Communication
Networking Communication Stack Data: Network: Name, Address, Phone, Visa, 0231234490987111 Transport: TCP info Name, Address, Phone, Visa, 0231234490987111 TCP info Address Address Data Encapsulation TCP info Name, Address, Phone, Visa, 0231234490987111 TCP info Segment Packet How Many Packets? What Order? Who am I? Where do I go?
Networking Communication Stack Data Encapsulation Address Hub TCP info TCP info Address DATA TCP info TCP info Address Address DATA DATA Router Router Internet Segment TCP info TCP info Address Address DATA Packet Hub
Networking Communication

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