18-05-2012, 03:55 PM
Introduction to Networking
Introduction to Networking.ppt (Size: 1.43 MB / Downloads: 32)
Introduction to PC Networking
1.1 – Hardware Architecture: -
Topologies, Media, Devices
1.2 – Transmission Techniques: -
Twisted Pair, Coaxial Cable,
Fiber Optics, Wireless Transmission
1.3 – Switching: -
Circuit Switching, Message Switching, Packet Switching.
Network :- “A group of computers & other devices (such as workstations, printers, or servers) that are linked together is called as Network.”
Networking :- “The concept of connected computers sharing information, resources, or both is called as Networking.”
File, Print, and Application Services
All network operating systems offer file and print services.
Sharing information, collaborating on projects, and providing access to input and output devices are common services of computer networks.
Directory and name services make a network easier to use.
After the initial setup of the directory or name service, this translation takes place transparently.
In addition to their ease of use, they also make the network more flexible
Wide-Area Networks (WANs)
A WAN, Spans a large geographical area, often a country or continent.
It contains a collection of Machines intended for running user programs. We will follow traditional usage & call these machines hosts.The hosts are connected by a communication subnet or just subnet for short.
The hosts are owned by the customer, whereas the subnet is typically owned & operated by a telephone company or Internet Service Provider.