CCNA 2 Chapter 19 Intermediate TCP/IP


The Presentation inside:

Slide 0

CCNA 2 Chapter 19 Intermediate TCP/IP By Your Name


Slide 1

Objectives TCP operation Transport layer ports


Slide 2

TCP/IP Operation The transport layer is responsible for the reliable transport of and regulation of data flow from source to destination.


Slide 3

TCP Three-Way Handshake/Open Connection


Slide 4

Denial-of-Service Attacks Denial-of-service (DoS) attacks are designed to deny services to legitimate hosts attempting to establish connections.


Slide 5

TCP Windowing


Slide 6

Acknowledgment Numbers 23 1028


Slide 7

TCP Simple Acknowledgment


Slide 8

UDP Operation


Slide 9

Transport Layer Ports


Slide 10

Port Numbers Numbers below 255 are reserved for public applications. Numbers from 255–1023 are assigned to companies for marketable applications. Numbers above 1023 are unregulated.


Slide 11

Ports for Clients: TCP and UDP Segment Format UDP TCP


Slide 12

Port Numbering


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