After completing Cisco CCNA: Wide Area Networking, the user should be able to: 
 
  | Describe WANs, their devices and interfaces |  
  | Describe the physical layer and data link layer protocols for WANs |  
  | Describe Frame Relay, ISDN, PPP, and X.25 and their positions in the OSI reference model |  
  | Identify the differences between Frame Relay, ISDN, PPP, and X.25 |  
  
 
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Introduction to WANs
  | Defining WAN |  
  | WAN devices |  
  | WAN interfaces |  
  | WAN service providers |  
  | Accessing WAN services with Cisco routers |  
  
WAN Protocols
  | Setting WAN protocols |  
  | Protocols for the Physical layer |  
  | Protocols for the Data Link layer |  
  
PPP
  | The advantages of PPP |  
  | Protocols used in PPP |  
  | Data encapsulation |  
  | LCP configuration on CISCO routers |  
  | PPP session establishment |  
  | Ending the PPP session |  
  
ISDN
  | About ISDN |  
  | Uses for ISDN |  
  | Components of an ISDN network |  
  | Reference points |  
  | Channels |  
  | ISDN services |  
  | ISDN protocols |  
  
X.25
  | The role of X.25 in WAN |  
  | X.25 network layout |  
  | Virtual circuits |  
  | X.25 protocols |  
  
Frame Relay
  | Details of Frame Relay |  
  | The Frame Relay network |  
  | Reasons for discarding frames |  
  | LMI protocol |  
  | Data encapsulation |  
  | Frame Relay operation |  
  | Configuring Frame Relay |  
  
 
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This course has the following features: 
 
  | Exercises that allow users to explore how a course topic applies to WANs |  
  | A file containing the text of the exercises |  
  | Activities that allow users to apply concepts in an interactive questioning environment |  
  | A glossary |  
  | A Skill Assessment |  
  
 
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  | Knowledge of network administration is helpful but not required |  
  | Cisco CCNA: OSI Reference Model (SCOC01) |  
  | Cisco CCNA: Networks and Data Transfer (SCOC02) |  
  | Cisco CCNA: Local Area Networking (SCOC03) |  
  
 
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  | Cisco CCNA: Using a Router (SCOC05) |  
  | Cisco CCNA: Introduction to IOS (SCOC06) |  
  | Cisco CCNA: IOS Configuration (SCOC07) |  
  | Cisco CCNA: Network Management (SCOC08) |  
  | Cisco CCNA: Bridges and Switches (SCOC09) |  
  | Cisco CCNA: TCP/IP Networking (SCOC10) |  
  | Cisco CCNA: IP Addressing (SCOC11) |  
  | Cisco CCNA: IP Routing(SCOC12) |  
  | Cisco CCNA: IPX Networking (SCOC13) |  
  | Cisco CCNA: Network Security and Control (SCOC14) |  
  | Cisco CCNA: Additional Configurations (SCOC15) |  
  | Cisco CCNA: Exam Preparation 1 (SCOC16) |  
  | Cisco CCNA: Exam Preparation 2 (SCOC17) |  
  | Cisco CCNA: Numbering Systems (SCOC18) |  
  
 
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Cisco and CCNA are trademarks of Cisco Systems, Incorporated.
 
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