Audience
Topics
Physical and Logical Circuits
Connecting to WAN Circuits
Connecting to Analog Networks
Analog Modems
Modem Compatibility
Connecting to Digital Networks
Microwave Communications
Satellite Communications
End-to-End Connectivity
Objectives
Describe the concept of a virtual circuit Describe the difference between a switched virtual circuit(SVC) and permanent virtual circuit (PVC) Explain the steps for an SVC information transfer Describe the layers where data terminal equipment (DTE) and data communications equipment (DCE) function in a WAN Explain the concepts of DCE and DTE Define terminology related to modems Describe the basic components of a modem Given a link speed, compute the transfer time of different file sizes Describe common modem protocols used in today s networks Explain the basics of modem protocols and how they are used to communicate information across a telecommunications network Distinguish between asynchronous and synchronous communication Explain why bit timing is important Explain when a channel service unit (CSU) and data service unit (DSU) are used for WAN connectivity Name at least one dig
