OSI Model (Part 1) - Application, Presentation, and Session Layer | TechTerms

Learn ISO OSI 7 layer network model, OSI Stack, Open System Interconnection model or networking model. Application, Presentation, and Session layers are explained. Function and use of OSI network model. Protocols in computer network layers of OSI model.

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OSI Model defines and is used to understand – How data is transferred from one computer to another in a computer network?

In the most basic form, two computers (end-points) connected to each other with LAN Cable (Network Media) and connectors (RJ45) sharing data with the help of NICs forms a network.

But if one computer is based on Microsoft Windows and the other one has MAC OS installed, then how these two computers are going to communicate with each other?

In order to accomplish successful communication b/w computers or networks of different architectures, 7-layered OSI Model or Open System Interconnection Model was introduced by International Organization for Standardization in 1984. #TechTerms

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Must learn:

DHCP Protocol : https://youtu.be/4pkDL1pgCgQ
ARP Protocol : https://youtu.be/EC1slXCT3bg
DNS Explained : https://youtu.be/JkEYOt08-rU
OSI Model : https://youtu.be/vv4y_uOneC0
IP Address : https://youtu.be/8npT9AALbrI
NIC : https://youtu.be/m9evUZtkEAc

Network Protocol : https://youtu.be/Dglfi_IU8BM
Network Topology: https://youtu.be/e0CWszGpgAE
Network Router : https://youtu.be/Dglfi_IU8BM
Network devices : https://youtu.be/gVrXLq5E-CQ

Firewall : https://youtu.be/eO6QKDL3p1I
Firewall types : https://youtu.be/aUPoA3MSajU
Firewall vs : https://youtu.be/fCM86XAyQ7o
Firewall working : https://youtu.be/KZc1KaE1OKU
Firewall limits : https://youtu.be/Xj654WUdDFE

Domain name : https://youtu.be/sh7fe05mUfA
LAN cable : https://youtu.be/N9-77hfs4FM
Hostname : https://youtu.be/S6uYZ8V1vRc

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