CCNA Exploration 1 - Chapter 3

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CCNA Exploration 1 - Chapter 3

  1. 1. © 2007 Cisco Systems, Inc. All rights reserved. Cisco Public 1 Application Layer Functionality and Protocols Network Fundamentals – Chapter 3
  2. 2. 2© 2007 Cisco Systems, Inc. All rights reserved. Cisco Public Objectives  Define the application layer as the source and destination of data for communication across networks.  Explain the role of protocols in supporting communication between server and client processes.  Describe the features, operation, and use of well-known TCP/IP application layer services (HTTP, DNS, SMTP).
  3. 3. 3© 2007 Cisco Systems, Inc. All rights reserved. Cisco Public Applications – The Interface Between Human and Data Networks  Explain that applications provide the means for generating and receiving data that can be transported on the network
  4. 4. 4© 2007 Cisco Systems, Inc. All rights reserved. Cisco Public Applications – The Interface Between Human and Data Networks  Explain the role of applications, services and protocols in converting communication to data that can be transferred across the data network
  5. 5. 5© 2007 Cisco Systems, Inc. All rights reserved. Cisco Public Applications – The Interface Between Human and Data Networks  Define the separate roles applications, services and protocols play in transporting data through networks
  6. 6. 6© 2007 Cisco Systems, Inc. All rights reserved. Cisco Public Applications – The Interface Between Human and Data Networks  Describe the role protocols play in networking and be able to identify several message properties that can be defined by a protocol
  7. 7. 7© 2007 Cisco Systems, Inc. All rights reserved. Cisco Public The Role of Protocols in Supporting Communication  Describe the roles of client and server processes in data networks
  8. 8. 8© 2007 Cisco Systems, Inc. All rights reserved. Cisco Public The Role of Protocols in Supporting Communication  List common Application Layers services and protocols
  9. 9. 9© 2007 Cisco Systems, Inc. All rights reserved. Cisco Public The Role of Protocols in Supporting Communication  Compare and contrast client server networking with peer-to-peer networking and peer-to-peer applications
  10. 10. 10© 2007 Cisco Systems, Inc. All rights reserved. Cisco Public Features, Operation, and Use of TCP/IP Application Layer Services  Describe the features of the DNS protocol and how this protocol supports DNS services
  11. 11. 11© 2007 Cisco Systems, Inc. All rights reserved. Cisco Public Features, Operation, and Use of TCP/IP Application Layer Services  Describe the features of the HTTP protocol and how this protocol supports the delivery of web pages to the client
  12. 12. 12© 2007 Cisco Systems, Inc. All rights reserved. Cisco Public Features, Operation, and Use of TCP/IP Application Layer Services  Describe the features of the POP and SMTP protocols, and how these protocols support e-mail services
  13. 13. 13© 2007 Cisco Systems, Inc. All rights reserved. Cisco Public Features, Operation, and Use of TCP/IP Application Layer Services  Describe the features of the Telnet protocol and identify several of its uses in examining and managing networks
  14. 14. 14© 2007 Cisco Systems, Inc. All rights reserved. Cisco Public Features, Operation, and Use of TCP/IP Application Layer Services  Describe the features of the SMB protocol and the role it plays in supporting file sharing in Microsoft-based networks
  15. 15. 15© 2007 Cisco Systems, Inc. All rights reserved. Cisco Public Features, Operation, and Use of TCP/IP Application Layer Services  Describe the features of the Gnutella protocol and the role it plays in supporting P2P services
  16. 16. 16© 2007 Cisco Systems, Inc. All rights reserved. Cisco Public Summary
  17. 17. 17© 2007 Cisco Systems, Inc. All rights reserved. Cisco Public

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