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| Name | OSI Model Explained | Real World Example |
| Video Uploader | Video From CertBros |
| Upload Date | This Video Uploaded At 28-09-2016 14:00:02 |
| Video Discription | Join the Discord Server! https://discord.com/invite/QZ2B9GA3BH --------------------- MY FULL CCNA COURSE ๐น CCNA - https://certbros.teachable.com/p/cisco-ccna?utm_source=youtube&utm_medium=desc&utm_campaign=CCNA FREE CCNA FLASHCARDS ๐ CCNA Flashcards - https://certbros.com/ccna/flashcards HOW TO PASS THE CCNA ๐ Get a great book - https://amzn.to/3f16QA5 ๐น Take a video course - https://certbros.teachable.com/p/cisco-ccna?utm_source=youtube&utm_medium=desc&utm_campaign=CCNA โ Use practice exams - https://www.certbros.com/ccna/Exsim SOCIAL ๐ฆ Twitter - https://twitter.com/certbros ๐ธ Instagram - https://www.instagram.com/certbros ๐ LinkedIn - https://www.linkedin.com/company/certbros ๐ฌ Discord - https://www.certbros.com/discord Disclaimer: These are affiliate links. If you purchase using these links, I'll receive a small commission at no extra charge to you. --------------------------------------------------------------------------------------------------------------- The OSI Model Explained What Is this OSI Model? The OSI model (Open System Interconnect) is a theoretical stack of 7 layers that can be used as a reference to understand how a network operates. The model was introduced to standardize networks in a way that allowed multi-vendor systems, prior to this you would only be able to have a one vendor network as the devices could not communicate with other vendor devices. The Layers Application (layer 7) This layer is where the application and user communicates. Application specific protocols are used here such as SMTP (simple mail transfer protocol) for sending emails from Outlook. Presentation (layer 6) This layer formats the data in a way that the receiving application can understand it. This layer is also able to encrypt and decrypt date if needed. Session (layer 5) This layer is responsible for establishing and terminating of connections between devices. Transport (layer 4) The transport layer of OSI Model is used for error handling and sequencing to unsure no data is lost. This layer also adds source and destination port numbers Network (layer 3) The network layer handles IP address routing. At this stage of the OSI model the source and destination IP address is added to the data. Data Link (layer 2) At this layer the physical address (MAC Address) is added to the data, this includes the source and destination MAC address. Physical (layer 1) The physical layer is the lowest layer of the OSI model. Its key responsibility is to carry the data across the physical hardware such as an Ethernet cable to the destination. This video is designed to give a basic and general overview of the OSI model. Its aim is to simplify the concept to make it easier to understand. #ccna #cisco #networking LANW3m7UgWs |
| Category | Education |
| Tags | osi model | osi model explained | osi | osi tcp/ip | how does the osi model work | cisco | ccent | ccna | osi model works | how does the osi | Engineering Mentor | OSI Model | OSI Reference Model | Communication Model | Computer Networks | OSI model layers | iso osi model | 7 layers of OSI |
