Which of the following layers is an addition to OSI model when compared with TCP IP model?
Correct answer: D. the session layer and presentation layer
- A. the application layer
- B. the presentation layer
- C. the session layer
- D. the session layer and presentation layer
Explanation
The TCP/IP model simplifies the OSI model by combining the functionalities of the presentation and session layers into its transport layer. This streamlines the model and reduces redundancy. The transport layer in TCP/IP is responsible for reliable data transfer, session management, and some data formatting tasks.
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Networking covers LAN, MAN, WAN and wireless networks, network topologies, transmission media, devices such as switches, routers and modems, and the OSI and TCP/IP models. Internet concepts include IP addresses, DNS, URLs, web browsers, email, protocols such as HTTP, HTTPS, FTP and SMTP, and basic network security.
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