Cisco Systems CCNA 2 Betriebsanweisung Seite 119

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118 - 238 CCNA 2: Routers and Routing Basics v3.1 Instructor Guide – Module 10 Copyright © 2004, Cisco Systems, Inc.
Module 10 Summary
Before students begin Module 11, they must be able to compare and contrast the roles of
MAC addresses, IP addresses, and port numbers.
Online assessment options include the end-of-module online quiz in the curriculum and the
online Module 10 exam.
Students should understand the following main points:
TCP operation description
Synchronization process or three-way handshake
Denial-of-service attacks
Windowing and window size
Sequencing numbers
Positive acknowledgement and retransmission (PAR)
UDP operation
Multiple conversations between hosts
Ports for services
Ports for clients
Port numbering and well-known ports
Example of multiple sessions between hosts
Comparison of MAC addresses, IP addresses, and port numbers
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