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Q. Summary of osi model?
- There was no standard for networks in the early period and as a result it was difficult for networks to communicate with each other.
- The ISO (International Organisation for Standardisation) recognised this. And researched various network schemes in addition to in 1984 introduced the Open Systems Interconnection (OSI) reference model.
- The Open Systems Interconnection (OSI) reference model has standards which ensure vendors greater compatibility and interoperability between various types of network technologies.
- The Open Systems Interconnection (OSI) reference model organizes network functions into seven numbered layers.
- Every layer provides a service to the layer above it in the protocol specification and communicates with the same layer's software or hardware on other computers.
- Layers 1-4 are apprehensive with the flow of data from end to end through the network and Layers 5-7 are concerned with services to the applications.
Why do we require to subtract two from number of hosts?
Explain RIB?
Transmission Control Protocol - TCP is a connection oriented transport layer protocol with built unreliability. It considers a large block of data and breaks it down into segments
What is Remote Procedure Call (RPC)? RPC hides the intricacies of the network by using the ordinary process call mechanism familiar to every programmer. A client process calls
Explain Point-to-Point connection type. Many point-to-point connections are associated with modems and PSTN (Public Switched Telephone Network) communications.
What is Microwave? Microwaves have been used in data communications. Microwave has a higher frequency than radio waves and thus can handle larger amounts of data.
Q. Advantages of Fiber Optics? - Higher bandwidth in comparison to twisted-pair and coaxial cable is not limited by medium but by equipment used to generate and receive signals
detail discusion
What is the Gateway A Gateway is a device like a mini or microcomputer capable of operating on a standalone basis but which also gives connection for communication with the oth
Q. Error Correction in Burst Error Correction? Error Correction-Burst Error Correction In its place of sending all the bits in a data unit together we can organize "N
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