1© 2004, Cisco Systems, Inc. All rights reserved.

CCNA 1 v3.1 Module 11 TCP/IP Transport and

Application Layers

222© 2004, Cisco Systems, Inc. All rights reserved.

Purpose of This PowerPoint

• This PowerPoint primarily consists of the Target Indicators (TIs) of this module in CCNA version 3.1.

• It was created to give instructors a PowerPoint to take and modify as their own.

• This PowerPoint is:

NOT a study guide for the module final assessment.

NOT a study guide for the CCNA certification exam.

• Please report any mistakes you find in this PowerPoint by using the Academy Connection Help link.

333© 2004, Cisco Systems, Inc. All rights reserved.

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• Contact your parent academy!

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Objectives

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Transport Layer

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Transport Layer Analogies

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Flow Control

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Multiplexing of Upper-Layer Conversations

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Establishing a Connection with a Peer System

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Session Maintenance and Termination

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Three-Way Handshake

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TCP Basic Window

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TCP Sliding Window

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TCP Sliding Window

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TCP Sequence and Acknowledgement

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TCP Segment Format

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UDP Segment Format

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TCP and UDP Port Numbers

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Application Layer

202020© 2004, Cisco Systems, Inc. All rights reserved.

Application Layer

212121© 2004, Cisco Systems, Inc. All rights reserved.

FTP Application

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URL

232323© 2004, Cisco Systems, Inc. All rights reserved.

E-mail Message Path

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SNMP

252525© 2004, Cisco Systems, Inc. All rights reserved.

Telnet

262626© 2004, Cisco Systems, Inc. All rights reserved.

Summary