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MCDST 70-271: Supporting Users and Troubleshooting a Microsoft Windows XP Operating System   Chapter 14: Troubleshooting R...
Objectives <ul><li>Understand remote access and remote access configuration </li></ul><ul><li>Connect to the Internet </li...
Remote Access <ul><li>Components of remote access configuration  </li></ul><ul><ul><li>Clients </li></ul></ul><ul><ul><li>...
Remote Access (continued) <ul><li>Remote control  </li></ul><ul><ul><li>Employs remote client as dumb terminal for the ans...
Remote Access (continued) <ul><li>Terminal Services  </li></ul><ul><ul><li>Allows thin clients to participate in a rich co...
Remote Access Configuration <ul><li>Remote access </li></ul><ul><ul><li>Configured and managed from the Network Connection...
Remote Access Configuration (continued)
Installing Remote Access Hardware <ul><li>Hardware required must be physically present and its drivers properly installed ...
Phone and Modem Options <ul><li>Dialing Rules tab  </li></ul><ul><ul><li>Lists the defined dialing locations </li></ul></u...
Connecting to the Internet <ul><li>Options in the Connect to the Internet Wizard </li></ul><ul><ul><li>Choose from a list ...
Connecting to the Internet (continued)
Using a Connection Object <ul><li>Click the Dial button to test the new object </li></ul><ul><ul><li>If modem was properly...
Using a Connection Object (continued) <ul><li>General tab  </li></ul><ul><ul><li>Displays connection status, duration, spe...
Properties Dialog Box <ul><li>Used to configure settings that were not offered by the New Connection Wizard </li></ul><ul>...
Properties Dialog Box (continued)
Properties Dialog Box (continued)
Properties Dialog Box (continued) <ul><li>Security tab </li></ul><ul><ul><li>Used to define the connection object’s securi...
Properties Dialog Box (continued)
Properties Dialog Box (continued)
Internet Connection Sharing (ICS) <ul><li>Used to share a single network connection with a small group of networked comput...
Internet Connection Firewall (ICF) <ul><li>A security measure for protecting network connections from unwanted traffic </l...
Troubleshooting Internet Connectivity <ul><li>Check the configuration settings of the connection object </li></ul><ul><li>...
Connecting to the Network  at My Workplace <ul><li>Virtual Private Networking (VPN)  </li></ul><ul><ul><li>Employs the Int...
Troubleshooting VPN Connectivity <ul><li>Ensure that your network or Internet link is up and fully functioning </li></ul><...
Setting Up an Advanced Connection <ul><li>Windows XP Professional can act as a remote access server for a single incoming ...
Accepting Incoming Connections <ul><li>Windows XP Professional can act as a remote access server for a single incoming con...
Accepting Incoming Connections (continued)
Connecting Directly to Another Computer <ul><li>Serial connection </li></ul><ul><ul><li>Method of communication that trans...
Summary <ul><li>Windows XP can be used to dial out to other systems, such as an ISP, company network, or link to a VPN </l...
Summary (continued) <ul><li>ICS can be used on any connection object to share connectivity offered </li></ul><ul><li>ICF i...
Summary (continued) <ul><li>Connection to a LAN through a VPN requires a pre-existing network connection between the clien...
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Chapter 14

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Transcript of "Chapter 14"

  1. 1. MCDST 70-271: Supporting Users and Troubleshooting a Microsoft Windows XP Operating System Chapter 14: Troubleshooting Remote Connections
  2. 2. Objectives <ul><li>Understand remote access and remote access configuration </li></ul><ul><li>Connect to the Internet </li></ul><ul><li>Connect to the network via My Workplace </li></ul><ul><li>Troubleshoot VPN connections </li></ul><ul><li>Create advanced remote access connections </li></ul>
  3. 3. Remote Access <ul><li>Components of remote access configuration </li></ul><ul><ul><li>Clients </li></ul></ul><ul><ul><li>Protocols </li></ul></ul><ul><ul><li>WAN connectivity </li></ul></ul><ul><ul><li>Security </li></ul></ul><ul><ul><li>Server </li></ul></ul><ul><ul><li>LAN protocols </li></ul></ul>
  4. 4. Remote Access (continued) <ul><li>Remote control </li></ul><ul><ul><li>Employs remote client as dumb terminal for the answering system </li></ul></ul><ul><ul><li>Keyboard entries and mouse movements are passed to a host system </li></ul></ul><ul><li>Remote access </li></ul><ul><ul><li>Establishes actual network connection between a remote client and the answering computer system </li></ul></ul><ul><ul><li>Keyboard entries and mouse movements occur locally </li></ul></ul>
  5. 5. Remote Access (continued) <ul><li>Terminal Services </li></ul><ul><ul><li>Allows thin clients to participate in a rich computing environment </li></ul></ul><ul><ul><li>Employed in situations where budget restrictions prevent purchase of fully capable desktop systems </li></ul></ul><ul><li>Remote computers that exist as independent systems </li></ul><ul><ul><li>Use remote access to make connections over some type of communication link to a system </li></ul></ul>
  6. 6. Remote Access Configuration <ul><li>Remote access </li></ul><ul><ul><li>Configured and managed from the Network Connections window </li></ul></ul><ul><li>Network Connections window </li></ul><ul><ul><li>Accessed through the Start menu </li></ul></ul>
  7. 7. Remote Access Configuration (continued)
  8. 8. Installing Remote Access Hardware <ul><li>Hardware required must be physically present and its drivers properly installed </li></ul><ul><li>Windows XP inspects the hardware and attempts to identify any new devices </li></ul><ul><ul><li>If a new device is recognized, Windows XP attempts to locate and install drivers for it </li></ul></ul><ul><ul><li>When Windows XP is unable to identify a device, you are prompted to provide a path for the drivers or you need to use the Add/Remove Hardware applet or the Phone and Modem Options applet </li></ul></ul><ul><ul><li>For some specialty hardware, you might need to use the vendor-supplied installation routine to install the correct drivers </li></ul></ul>
  9. 9. Phone and Modem Options <ul><li>Dialing Rules tab </li></ul><ul><ul><li>Lists the defined dialing locations </li></ul></ul><ul><ul><li>Dialing location </li></ul></ul><ul><ul><ul><li>Collection of remote access properties used to govern how links are established </li></ul></ul></ul><ul><li>Modems tab </li></ul><ul><ul><li>Lists all currently installed modems and their attached ports </li></ul></ul><ul><li>Advanced tab </li></ul><ul><ul><li>Lists all the telephony providers present on the system </li></ul></ul>
  10. 10. Connecting to the Internet <ul><li>Options in the Connect to the Internet Wizard </li></ul><ul><ul><li>Choose from a list of Internet service providers (ISPs) </li></ul></ul><ul><ul><li>Set up my connection manually </li></ul></ul><ul><ul><li>Use the CD I got from an ISP </li></ul></ul>
  11. 11. Connecting to the Internet (continued)
  12. 12. Using a Connection Object <ul><li>Click the Dial button to test the new object </li></ul><ul><ul><li>If modem was properly configured, phone line was attached, and there was no busy signal, you should have established an Internet connection </li></ul></ul><ul><ul><li>Default home page should be displayed in Internet Explorer </li></ul></ul><ul><li>Double-clicking the connection icon opens the connection status dialog box </li></ul>
  13. 13. Using a Connection Object (continued) <ul><li>General tab </li></ul><ul><ul><li>Displays connection status, duration, speed, packets (LAN connections), bytes (dial-up connections), compression (dial-up connections), and errors (dial-up connections) </li></ul></ul><ul><ul><li>You can access the connection object’s Properties dialog box or disconnect the link </li></ul></ul><ul><li>Details tab </li></ul><ul><ul><li>Lists data relevant to the connection, such as server type, protocols, and IP addresses of server and client </li></ul></ul>
  14. 14. Properties Dialog Box <ul><li>Used to configure settings that were not offered by the New Connection Wizard </li></ul><ul><li>General tab </li></ul><ul><ul><li>Used to configure devices and dial-up numbers </li></ul></ul><ul><li>Options tab </li></ul><ul><ul><li>Configures the behavior of the connection object while establishing a connection </li></ul></ul>
  15. 15. Properties Dialog Box (continued)
  16. 16. Properties Dialog Box (continued)
  17. 17. Properties Dialog Box (continued) <ul><li>Security tab </li></ul><ul><ul><li>Used to define the connection object’s security requirements </li></ul></ul><ul><li>Networking tab </li></ul><ul><ul><li>Used to configure the network communication components employed by the connection object </li></ul></ul><ul><li>Advanced tab </li></ul><ul><ul><li>Used to configure Internet Connection Firewall (ICF) and Internet Connection Sharing (ICS) </li></ul></ul>
  18. 18. Properties Dialog Box (continued)
  19. 19. Properties Dialog Box (continued)
  20. 20. Internet Connection Sharing (ICS) <ul><li>Used to share a single network connection with a small group of networked computers </li></ul><ul><li>Enabled on the Advanced tab of a connection object’s Properties dialog box </li></ul><ul><li>Incorporates </li></ul><ul><ul><li>The Network Address Translation (NAT) function </li></ul></ul><ul><ul><li>A Dynamic Host Configuration Protocol (DHCP) address allocator </li></ul></ul><ul><ul><li>A Domain Name System (DNS) proxy </li></ul></ul>
  21. 21. Internet Connection Firewall (ICF) <ul><li>A security measure for protecting network connections from unwanted traffic </li></ul><ul><li>Can set restrictions on traffic in and out of your network to an external network or the Internet </li></ul><ul><li>A stateful firewall </li></ul><ul><li>By default, silently drops all traffic that is not allowed to enter the private network </li></ul>
  22. 22. Troubleshooting Internet Connectivity <ul><li>Check the configuration settings of the connection object </li></ul><ul><li>Verify that the ISP’s modems are answering </li></ul><ul><li>Verify that: </li></ul><ul><ul><li>Your modem or other connection device is properly installed and connected correctly </li></ul></ul><ul><ul><li>Necessary drivers are installed and the latest versions are used </li></ul></ul>
  23. 23. Connecting to the Network at My Workplace <ul><li>Virtual Private Networking (VPN) </li></ul><ul><ul><li>Employs the Internet as a long-distance carrier to enable distant, secure LAN connections </li></ul></ul><ul><ul><li>Enables mobile or remote computers to establish a connection with a LAN over a local connection to an ISP </li></ul></ul><ul><ul><li>Encrypts authentication credentials and data transferred </li></ul></ul>
  24. 24. Troubleshooting VPN Connectivity <ul><li>Ensure that your network or Internet link is up and fully functioning </li></ul><ul><li>VPN client and VPN server must have public IP address if connection is being made over the Internet </li></ul><ul><li>If a firewall, proxy, or NAT server is located between VPN client and VPN server, devices must be appropriately configured to allow VPN link to occur </li></ul>
  25. 25. Setting Up an Advanced Connection <ul><li>Windows XP Professional can act as a remote access server for a single incoming connection </li></ul><ul><li>Process of configuring an incoming connection object includes: </li></ul><ul><ul><li>Selection of devices that answer incoming calls </li></ul></ul><ul><ul><li>Whether to allow VPN links </li></ul></ul><ul><ul><li>Which users can dial in </li></ul></ul><ul><ul><li>Which networking components are supported over a dial-in link </li></ul></ul>
  26. 26. Accepting Incoming Connections <ul><li>Windows XP Professional can act as a remote access server for a single incoming connection </li></ul><ul><li>Connection can be made over a modem, an existing Internet/network connection (a VPN link), or a direct access cable </li></ul><ul><li>Use this feature only for special-purpose applications </li></ul><ul><ul><li>Accepting a dial-in connection can be used to access your home system while traveling </li></ul></ul>
  27. 27. Accepting Incoming Connections (continued)
  28. 28. Connecting Directly to Another Computer <ul><li>Serial connection </li></ul><ul><ul><li>Method of communication that transfers data across a medium one bit at a time </li></ul></ul><ul><ul><li>Usually adds start and stop bits to ensure reliable delivery </li></ul></ul><ul><li>To employ direct connection: </li></ul><ul><ul><li>Attach cable between the two systems </li></ul></ul><ul><ul><li>Create a direct connection object on both systems </li></ul></ul>
  29. 29. Summary <ul><li>Windows XP can be used to dial out to other systems, such as an ISP, company network, or link to a VPN </li></ul><ul><li>Network Connections tool is used to create and manage most of the remote access features of Windows XP </li></ul><ul><li>Connecting to the Internet over a modem involves creating a new connection object that includes: </li></ul><ul><ul><li>Phone number of the ISP, username, and password </li></ul></ul><ul><ul><li>Any customized (ISP-specific) configuration requirements </li></ul></ul>
  30. 30. Summary (continued) <ul><li>ICS can be used on any connection object to share connectivity offered </li></ul><ul><li>ICF is used to protect any connection object </li></ul><ul><li>Troubleshooting an ISP link involves: </li></ul><ul><ul><li>Verifying modem hardware connection and installation </li></ul></ul><ul><ul><li>Configuring the connection object itself </li></ul></ul><ul><ul><li>Testing to ensure ISP is functioning </li></ul></ul>
  31. 31. Summary (continued) <ul><li>Connection to a LAN through a VPN requires a pre-existing network connection between the client and the LAN </li></ul><ul><li>Troubleshooting VPNs involves checking that: </li></ul><ul><ul><li>Internet connection is functioning </li></ul></ul><ul><ul><li>VPN client connection object is properly configured </li></ul></ul><ul><ul><li>Windows XP supports advanced connections </li></ul></ul>
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