1. 1 Networks

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

3. 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. 4

5. 5 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

6. 6 Advantages of Networking Sharing Internet access Sharing devices (printers, CDROMs) Sharing folders and files Game playing

7. 7 Disadvantages of Networking Security Spread viruses Game playing

8. 8 Network Speeds Modem: 56.6kbps Broadband: Varies Residential High Speed Internet Packages: DownloadUploadMonthly Price 2MB256K$29.95 3MB256K$39.95 4MB512K$49.95

9. 9 What Equipment is Needed? Network adapter w/ driver disk Hub, or switch, or router Network cable

10. 10 Networking – The Big Picture Prepare your Computer Install Network Card Install Drivers & Related Software Configure Networking Software

11. 11 Configure for LAN Access Go into the Network Neighborhood properties

12. 12 Configure for LAN Access cont’d On the Identification tab, configure the name of the computer (compxx) and the name of the workgroup (acse)

13. 13 Configure for LAN Access cont’d Configure for File and/or Printer Sharing

14. 14 Last Thoughts… Take advantage of the ability to share network resources (folders, printers, devices) Think about network security