Describe the function of the presentation layer.
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- What are some applications that use TCP?
- Why is it still important to learn about the OSI model? What are some common protocols at each layer of the OSI model?
- How do hardware and software relate to the OSI model? What is multiplexing and demultiplexing in the OSI model?
- What kind of data transmission occurs at the data link layer?
- What are some open-source tools that can be used to analyze network traffic at different OSI layers? How does the OSI model relate to network performance optimization?
- What are the common physical layer standards? What is crosstalk and how can it be minimized?
- What is the role of repeaters and hubs at the physical layer?
- What are some common application layer protocols (e.g., HTTP, DNS, SMTP, FTP, SSH)? How do end-user applications interact with the network through the application layer?
- What is the purpose of session establishment, maintenance, and termination?
- How does the presentation layer interact with the application layer?
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