Establishing Dial-up Connection to the Internet Using Windows 9x

1. Establishing Dial-up Connection to the Internet Using Windows 9x • Install and configure the modem • Configure Dial-Up Adapter • Configure Dial-Up Networking • Install applications software to use the Internet

2. Configuring Dial-Up Networking

3. Configuring Dial-Up Networking

4. Cable Modem and DSL Connections to the Internet • Cable modem • Provided by service provider • Has a connection to the TV cable system of your home that connects to the ISP and an Ethernet port to connect to your PC • Ethernet cable connects the cable modem to a network card installed in your PC • DSL • A device sits next to your PC, which connects to the DSL line on one side and to a network card installed in your PC on the other side

5. Examples of Network Services • Most function at top three layers of the OSI model – application, presentation, and session layers • Must be a program running on both nodes of the network for the service to work

6. Upper-level Protocols • Hypertext Transfer Protocol (HTTP) • Used by the World Wide Web • File Transfer Protocol (FTP) • Used to transfer files • Simple Mail Transfer Protocol (SMTP) • Used to transfer e-mail

7. Uniform Resource Locator (URL)

8. World Wide Web Browsers • Provide interface between Web sites and PCs • Access a server by either its IP address or its domain name • Use HTTP to request and pass documents on the Web • Terminology • Hypertext • HTML

9. File Transfer • File Transfer Protocol (FTP) • Used to transfer files between two computers using same or different OS • Can be initiated at a command prompt or using an ISP

10. File Transfer from a Command Prompt

11. File Transfer Using FTP Software

12. File Transfer Using FTP Software

13. Network Drive Map • One of most powerful and versatile methods of communicating over a network • Uses network file service (NFS) software to make one PC appear to have a new hard drive • Files and folders on host computer are available even to network-unaware DOS applications

14. Preparing a Windows NT Host Computer for a Network Drive Map

15. Preparing a Windows NT Host Computer for a Network Drive Map

16. Preparing a Windows NT Host Computer for a Network Drive Map

17. Mapping the Network Drive from a Remote to a Host Computer

18. Mapping the Network Drive from a Remote to a Host Computer

19. Mapping the Network Drive from a Remote to a Host Computer

20. Linux Operating System • Well-suited to support web servers, FTP servers, and file servers • A UNIX-like operating system; can use more than one shell

21. Linux System Administrator • Installs updates to the OS (patches) • Manages backup processes • Supports installation of software and hardware • Sets up user accounts • Resets passwords • Generally supports users • Has root privileges

22. Linux Operating System

23. continued

24. UNIX Commands

25. Managing Processes • To initiate a process to run in the background, enter the name of the process at the command prompt followed by “&” • Linux starts the process and responds with a number (the process identifying number, or PID) • To stop a process, use the kill command

26. Windows Manager • Several applications have been written to provide a GUI shell for UNIX and Linux; these shells are called X Windows

27. A Typical X Window Screen

28. Major Components of a GNOME Windows

29. Network Troubleshooting Guidelines • Windows 9x dial-up problems (modem problems) • Cannot make a connection • You can connect, but you get the message “Unable to resolve hostname…” • After connecting, you get the error message “Unable to establish a compatible set of network protocols” • Problems with TCP/IP • Problems with TCP/IP configuration or suspected network problems (packet Internet groper or PING)

30. Chapter Summary • Fundamentals of the hardware and software that make up networks • How to support a PC that interfaces with the Internet