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Computing Fundamentals

A computer network is a collection of interconnected devices that communicate to share data and resources. In this guide, we explore various types of networks, including PSTN, LAN, WAN, Intranet, and Extranet. We discuss essential networking hardware like modems, DSL, and T-1 lines. Additionally, we address the risks associated with network computing, including hacking, malicious code, and network faults. Finally, we provide security measures like firewalls and antivirus software to safeguard data against various threats and maintain network integrity.

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Computing Fundamentals

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  1. Computing Fundamentals By: Trevor Smith

  2. What is a computer network? • A network is a group or two or more computers linked together. There are many different kinds of networks. They all transfer different kinds of data.

  3. Different Kinds Of Networks • There is many different kind of networks • PSTN- telephone service • Client/Server networks- model relationship • LAN- Local area network • Wan- wide area network • Intranet • Extranet • Internet

  4. Network Types • LAN- connect personal computers, work stations, and other devices. • WLAN- a wireless area network. • WAN- It covers a large geographical area and can contain communication links across metropolitan, regional, or national boundaries.

  5. Hardware for networking? • You need these things for your network • A modem • Cable Modem • DSL • T-1 line • WISPS

  6. Risks of network computing? • There are hackers. These are people who break into computer systems. • Individual loss of autonomy • Malicious Code • Network Faults

  7. Security Issues? • Keeping data safe. • Risks are natural causes, accidents, and others are intentional. • To prevent this put safeguards up. These include passwords, firewalls, proxy server, and antivirus software.

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