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The document discusses key concepts in network fundamentals including: - The structure of networks including devices, media, protocols, and layered models like TCP/IP and OSI. - How messages are communicated across networks in segments using hardware, software, end devices, and intermediary devices connected by network media. - The roles of protocols in allowing different devices to communicate successfully in a standardized way. - How layered models and encapsulation with headers allow networks to operate independently of underlying technologies.
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The document discusses the OSI model and TCP/IP protocol stack. It describes the seven layers of the OSI model and the functions of each layer, including the physical, data link, network, transport, session, presentation, and application layers. It then maps the layers of the TCP/IP protocol stack to the OSI model, describing the functions of the physical network, data link, internet, transport, and application layers. It provides examples of protocols that operate at each layer, such as IP, TCP, UDP, ARP, and ICMP.
Network fundamental
The document discusses the network layer of the OSI model. It describes the network layer's role in dividing networks into groups, facilitating communication between networks via routing. Key aspects covered include network layer protocols like IP, addressing, packet structure, grouping devices into networks via hierarchical addressing, and the fundamentals of routing tables, next hop addresses, and packet forwarding.
Osi model
Power point presentation on osi model.
A good presentation cover all topics.
For any other type of ppt's or pdf's to be created on demand contact -dhawalm8@gmail.com
mob. no-7023419969
OSI model (7 LAYER )
This document discusses layered network models, specifically the OSI model and TCP/IP model. It provides an overview of each layer in both models and their functions. The key points are:
- The OSI model defines 7 layers that break communication into smaller parts to simplify the process and allow different hardware/software to work together.
- The TCP/IP model has 4 layers - application, transport, internet, and network access. It is used widely on the internet.
- Each layer adds header information to data as it moves down the stack. This encapsulation allows communication between layers and across networks.
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chapter_2
- 1. Communicating over the Network Network Fundamentals – Chapter 2
- 30. Summary