Establishing Dialup Connection to the Internet Using Windows 9x

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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

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Configuring Dial-Up Networking
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Configuring Dial-Up Networking
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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

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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

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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

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Uniform Resource Locator (URL)
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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

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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

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File Transfer from a Command Prompt
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File Transfer Using FTP Software
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File Transfer Using FTP Software
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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

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Preparing a Windows NT Host Computer for a
Network Drive Map
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Preparing a Windows NT Host Computer for a
Network Drive Map
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Preparing a Windows NT Host Computer for a
Network Drive Map
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Mapping the Network Drive from a Remote to a Host
Computer
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Mapping the Network Drive from a Remote to a Host
Computer
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Mapping the Network Drive from a Remote to a Host
Computer
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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

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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

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Linux Operating System
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continued
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UNIX Commands
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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

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Windows Manager

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

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A Typical X Window Screen
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Major Components of a GNOME Windows
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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)

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Chapter Summary

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