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Packet Switching Networks Packet Switching - Packets are relayed across network along the best route available.
Repeater = Physical layer - takes a weak signal and regenerates it - doesn't translate or filter anything - can move packets from on physical media to another (i.e. can connect thinet to fiber-optic) - they are cheap - will pass a broadcast storm
Bridge = Data Link layer - does everything a repeater does - reduce traffic by segmenting the network by using a routing table- regenerate the signal at the packet level - not suited to WANs slower than 56K - will pass broadcast storms - read the source and destination of every packet - pass packet with unknown destinations - connect dissimilar networks (i.e. Token Ring and Ethernet)
Router = Network layer - does filtering and isolating traffic - forwards particular protocols to particular addresses (other routers) - connect network segments - not all protocols are routeable (LAT and NetBEUI) - are used in complex network situations because they provide better traffic mgmt. than brides - don't pass broadcast traffic.
Brouter = combines best qualities of both a bridge and a Router - can act like a Router for one protocol and bridge all of the others (nonroutable) - delivers more cost-effective
 

 
 

 

 

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Connect to computers by using dial-up networking.
  1. Open Network and Dial-up Connections.
  2. Double-click Make New Connection, and then click Next.
  3. Select Connect directly to another compter, click Next, and then follow the instructions in the Network Connection wizard.

Connect to computers by using a virtual private network (VPN) connection.

  1. Open Network and Dial-up Connections.
  2. Double-click Make New Connection, and then click Next.
  3. Click Connect to a private network through the Internet, and click Next.
  4. Type the host name or IP address of the computer or network to which you are connecting, and then click Next.
  5. Select either Only for myself or For all users, and then click Next.
  6. If you want to let other computers access resources through this dial-up connection, select the Enable Internet connection sharing for this connection check box, and then click Next.
  7. Type a name for the connection, and then click Finish.

Create a dial-up connection to connect to a remote access server.

When a remote access client makes a nonpermanent, dial-up connection to a physical port on a remote access server by using the service of a telecommunications provider such as analog phone, ISDN, or X.25. The best example of dial-up networking is that of a dial-up networking client who dials the phone number of one of the ports of a remote access server.

Dial-up networking over an analog phone or ISDN is a direct physical connection between the dial-up networking client and the dial-up networking server. You can encrypt data sent over the connection, but it is not required.

Windows 2000 Server provides traditional dial-up remote access services to support mobile users or home users who are dialing in to organization intranets. Dial-up equipment that is installed on a remote access server running Windows 2000 answers incoming connection requests from dial-up networking clients. The remote access server answers the call, authenticates and authorizes the caller, and transfers data between the dial-up networking client and the organization intranet.

To create a dail-up connection to a remote access server

  1. Open Network and Dial-up Connections.
  2. Double-click Make New Connection, and then click Next.
  3. Select Dial-up to private network, click Next, and then follow the instructions in the Network Connection wizard.