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- Describe the specific protocols and devices that operate at the physical layer of the OSI model and their importance in data transmission.Discuss the purpose of a switch in the OSI model and how it operates at the data link layer.Describe the purpose of a switch in the OSI model. How does it operate at the data-link layer, and what advantages does it offer over hubs?
- What techniques can be used for error‑detection and error‑correction respectively on data link layer?1- List and explain each of the OSI model layer’s components. 2- Compare between Repeaters and Bridges in term of: A. OSI Layer B. How it operate?Discuss the concept of Layer 2 and Layer 3 switches. How do they differ in terms of functionality and use cases, and in which layer of the OSI model do they primarily operate?
- Why is the physical layer worried about bit-by-bit delivery?Describe the seven levels of the OSI model, the seven sublayers of each layer, and the protocols utilized at each level.14. List and briefly describe the function of each layer of three-layer architecture. On what type of computing device is each layer typically deployed?
- (a) Name and briefly describe the two ways multiplexing can be achieved at the transport layer. (b) Name three (3) mechanisms in the transport layer that help facilitate reliability and provide a reason for why they are needed. (c) Discuss how connection-less demultiplexing works on the transport layer. Use a diagram to aid your answer. (d) Describe the goal of Checksums in the transport layer.What are the rules that govern data link layer standards?