English | MP4 | AVC 1280×720 | AAC 44KHz 2ch | 2h 01m | 297 MB
Each layer of the OSI model has its own critical protocols. At the transport layer, TCP and UDP are fundamental. This course focuses on the understanding TCP and UDP operation.
TCP is used in nearly every transaction users have on a network. Surfing the web, checking your email, watching a streaming video, all use TCP as the transport layer protocol. TCP has a very precise operation, and understanding how it works leads to becoming a great network troubleshooter. In this course, TCP and UDP Operation, you will learn about the TCP three-way handshake, port number addressing, and sequence and acknowledgment numbers used for reliable communication. Next, you explore at TCP’s less reliable partner, UDP. Finally, you’ll understand where UDP is used and why you use it. By the end of this course, you’ll know how the TCP three-way handshake works, as well as how TCP uses sequence numbers to ensure successful data delivery.
Table of Contents
Course Overview
1 Course Overview
Networking and the OSI Model
2 Introduction
3 Matching the Vocabulary Youve Learned So Far to the OSI Model
4 Summary
Transmission Control Protocol (TCP)
5 Introduction
6 Introducing Transmission Control Protocol (TCP)
7 The Three-way Handshake
8 Transport Layer Addressing- Port Numbers
9 Demo- Using netstat to See Active TCP Sessions
10 Demo- Examining What Happens When You End a TCP Session
11 Demo- Using netstat -na to See What Ports Your Computer Is Listening On
12 Demo- Examining What Application Is Using What TCP Connection
13 Summary
TCP Sequence Numbers
14 Introduction
15 How TCP Creates Reliable Communication
16 Demo- Examining a Telnet Connection in Wireshark
17 Demo- Using Follow TCP Stream in Wireshark
18 Demo- Examining Sequence Numbers and Acknowledgment Numbers in Wireshark
19 Summary
User Datagram Protocol (UDP)
20 Introduction
21 Introducing User Datagram Protocol (UDP)
22 Application Layer Protocols in TCP and UDP
23 UDP Efficiency
24 Demo- Capturing DNS Requests
25 Demo- Comparing TCP and UDP in Wireshark
26 Summary
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