Is the OSI model a practical implementation? What is the data unit at each layer of the OSI model?
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- What is network automation and how does it interact with the OSI model?
- How does the presentation layer interact with the application layer?
- How does the transport layer interact with the session layer? What are the data units at the session 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 are different network services provided at the application layer? How does the application layer handle user authentication?
- What is the role of the operating system in implementing the OSI model?
- What is the client-server model and how does it relate to the application layer? What is the peer-to-peer model and how does it relate to the application layer?
- OSI Model Basics
- What are the security implications at each layer of the OSI model? How does quality of service (QoS) relate to the OSI model?
- How does the OSI model facilitate communication between different types of networks? What are the different types of network devices and which OSI layers do they operate at?
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