This ppt is for those who are looking for basic concepts of networking. Intro, types of network,including OSI /TCP models are there.

1. NETWORKING
BASICS

2. Network
Connectivity of two or more than two devices
so that they can communicate with each
other.
Network = Connectivity + Communication

3. Five
Components
of
Communication
•Sender
• Receiver
• Medium
• Message
• Protocol

4. Protocol
Concepts
• Protocols are sets of rules.
• What do you want to do? (Application)
• Where are you going? (Addressing)
• How do you get there? (Media types)
• Did you get there? (Acknowledgments,
Error checking)

5. Network
Types
• Personal Area Network(PAN)
Is a small network established for communication between
different devices, such as laptops, computers, mobiles.
• Local Area Network (LAN)
A high speed network that covers a relatively small geographic
area, contained within a single building or campus.
• Wide Area Network (WAN)
A network that spans large geographical locations, usually to
interconnect multiple LANs.
• Metropolitan Area Network (MAN)
A network that spans several LANs across a city-wide geographic
area.

6. Types of
Communication

7. Topology

8. Bus
Topology

9. Ring
Topology

10. Star
Topology

11. Mesh
Topology

12. Hybrid
Topology

13. Client/Serve
r vs. Peer to
Peer

14. Continued..

15. OSI Model
• OSI (Open Systems Interconnection) is reference
model for how applications can communicate over a
network. A reference model is a conceptual framework
for understanding relationships.
• In 1978, Open System Interconnection (OSI) model was
introduced.

16. OSI Layers

17. TCP/IP
Reference
Model
• TCP/IP meansTransmissionControl Protocol and
Internet Protocol. It is the network model used in the
current Internet architecture as well. Protocols are set
of rules which govern every possible communication
over a network.These protocols describe the
movement of data between the source and destination
or the internet.These protocols offer simple naming
and addressing schemes

18. TCP/IP
layers

19. TCP/IP
layer
Description

20. Commonly
Used
Network
Devices
• Hub
• Repeater
• Bridge
• Router
• Gateway
• Modem

21. Connecting
Devices
Based on
Layers