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Networks

Networks. What is a Computer Network?. A group of computers and/or devices connected together. Types of Networks. LAN WAN. Configuration of Networks. Hard-wired (Ethernet) TCP/IP is the only protocol you need to worry about

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Networks

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  1. Networks

  2. What is a Computer Network? • A group of computers and/or devices connected together Types of Networks • LAN • WAN

  3. Configuration of Networks • Hard-wired (Ethernet) • TCP/IP is the only protocol you need to worry about • Protocols are the agreed-upon ways that computers exchange information. A protocol can be thought of a set of rules that keeps everything flowing correctly. A set of stop lights represents a traffic protocol that helps avoid collisions. • TCP/IP stands for Transmission Control Protocol/Internet Protocol. It is the protocol of the Internet. • Wireless (Wi-Fi) • Wireless router and access point • Radio signals (2.4 GHZ or 5 GHZ)

  4. Connections • DSL (Digital Subscriber Line) • Cable Modem • Modems • T1,T3 A T3 line is an assembly or group of T1 lines. Each T3 line consists of 28 T1 lines. Signaling speed of each T1 line is 1.544 MBPS that makes a T3 line of 45 MBPS (28 x 1.544 MBPS) • Wi-Fi

  5. Advantages of Networking • Sharing Internet access • Sharing devices (printers, CDROMs) • Sharing folders and files • Game playing

  6. Disadvantages of Networking • Security • Spread viruses • Game playing

  7. Network Speeds • Modem: 56.6kbps • Broadband: Varies ResidentialHigh Speed Internet Packages: Download Upload Monthly Price 2MB 256K $29.95 3MB 256K $39.95 4MB 512K $49.95

  8. What Equipment is Needed? • Network adapter w/ driver disk • Hub, or switch, or router • Network cable

  9. Networking – The Big Picture • Prepare your Computer • Install Network Card • Install Drivers & Related Software • Configure Networking Software

  10. Configure for LAN Access • Go into the Network Neighborhood properties

  11. Configure for LAN Access cont’d • On the Identification tab, configure the name of the computer (compxx) and the name of the workgroup (acse)

  12. Configure for LAN Access cont’d • Configure for File and/or Printer Sharing

  13. Last Thoughts… • Take advantage of the ability to share network resources (folders, printers, devices) • Think about network security

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