Networking (TCP/IP, DNS, DHCP) · question
Q.01 of 52
What is the TCP/IP model and how does it differ from the OSI model?
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Answer: The TCP/IP model is a four-layer networking framework that defines how data is transmitted over networks. It consists of:
- Application Layer - Combines OSI layers 5-7 (Session, Presentation, Application)
- Transport Layer - Same as OSI Layer 4 (TCP/UDP)
- Internet Layer - Same as OSI Layer 3 (IP)
- Network Access Layer - Combines OSI layers 1-2 (Physical, Data Link)
Key differences from OSI:
- TCP/IP is more practical and widely implemented
- OSI is more theoretical with 7 layers vs TCP/IP's 4 layers
- TCP/IP was developed before OSI but became the standard
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