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OSI Transport Layer
| Question | Answer |
|---|---|
| What is the primary role of the Transport Layer in the OSI model? | The Transport Layer is responsible for end-to-end communication, error detection and correction, and ensuring that data is delivered in the correct order between hosts. |
| What are the two main protocols used at the Transport Layer? | TCP and UDP |
| What are the main functions of TCP at the Transport Layer? | reliable data delivery, flow control, error correction, data segmentation and reassembly, and connection establishment and termination. |
| What are the advantages of using UDP over TCP? | Faster due to lower overhead, suitable for applications like streaming where speed is more important than reliability. |
| What are the disadvantages of using UDP over TCP | It is unreliable, does not guarantee packet delivery, and does not manage flow or error correction. |
| What devices or network components operate at the Transport Layer of the OSI model? | Gateways and firewalls |
| How do Transport Layer protocols support different types of network applications? | Web browsing and File transfers |