Networking
Module Introduction
Basics of Networking
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Network
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The Internet The physical connection of computers and wires around the world.
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The Web The information on the Internet
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Email
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Chat
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File-sharing programs
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Servers
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Internet Srvices Provider
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Computers on a network have an indetifier called an IP address.
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172.217.6.46
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MAC address
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82:4f:23:59:47:4
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When you send or receive data through a network you need to have both an IP and a MAC address.
Networking Hardware
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Ethernet cable
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Wireless netwrking
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Router Connects lots of different devices together and helps route network traffic.
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Network Protocols
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Hubs
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Stack
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Network stack A set of hardware of software that provides the infrastructure for a computer.
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Language of the Internet
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Route Efficiency
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Aren’t corrupted
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Secure
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Right Machine
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Named appropriately
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TCP/IP
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IP - Delivers packets to right computers
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TCP - Delivers information from one network to another
The web
- Uniform Resource Locator
- Internet Corporation for Assigned Names and Numbers.
- Domain name system (DNS)
History of Internet
- DARPA
- APRANET
- Transmission Control Protocol
- Internet Protocol
Limitations of the Internet
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Internet Protocol version 04(IPV4)
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73.55.242.3
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IPv6 - 172.14.24.1
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Network Address Translation(NAT) Lets organizations use one public IP address and many private IP addresses within the netwrok.
Impact
- Globalization The movement that lets governments, businesses, and organizations communtiocate and intrgrate together on an internation scale.
Internet of Things
Privacy and Security
- Children’s online privacy protection ACT