SSC CGL Exam > SSC CGL Videos > Computer Awareness and Proficiency > OSI & TCP-IP Model
OSI & TCP-IP Model Video Lecture | Computer Awareness and Proficiency - SSC CGL
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FAQs on OSI & TCP-IP Model Video Lecture - Computer Awareness and Proficiency - SSC CGL
| 1. What is the OSI model and how many layers does it have? |  |
Ans. The OSI (Open Systems Interconnection) model is a conceptual framework used to understand how different networking protocols interact. It has 7 layers: Physical, Data Link, Network, Transport, Session, Presentation, and Application.
| 2. What is the TCP/IP model and how does it differ from the OSI model? | |
Ans. The TCP/IP model is a networking model that is widely used for internet communication. It has 4 layers: Network Interface, Internet, Transport, and Application. The main difference between the TCP/IP model and the OSI model is the number of layers and the specific functions each layer performs.
| 3. How do the OSI and TCP/IP models relate to each other? | |
Ans. The TCP/IP model is often compared to the OSI model, with the TCP/IP model being more commonly used in practice. The layers of the TCP/IP model can be mapped to the layers of the OSI model to show how they correspond to each other in terms of functionality.
| 4. Can you provide an example of how the OSI model works in a real-world networking scenario? | |
Ans. An example of the OSI model in action is when you access a website on the internet. The Application layer sends a request to the Transport layer, which breaks the data into packets and adds addressing information. The packets are then sent to the Network layer, which routes them to the destination. Finally, the Physical layer transmits the packets over the physical network.
| 5. Why are the OSI and TCP/IP models important for network communication? | |
Ans. The OSI and TCP/IP models provide a standardized way to understand and communicate about how different networking protocols work together. By breaking down the communication process into layers, network engineers can troubleshoot issues more effectively and ensure compatibility between different systems and devices.
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Dec 27, 2024 Last updated |
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