ITM 301 Final: Exam notes

• School: Ryerson University
• Department: Information Technology Management
• Course: ITM 301
• Professor: Nurul Huda

Document Summary

Osi (open systems interconnection) model: divides network communication into seven layers, physical, data link, network, transport, session, presentation, and application: physical (programmers, data link (dare, network (not, transport (throw, sessions (salty, presentation (pretzels, application (away) Application layer: the top or 6th layer of the osi model, it facilitates communication between programs and lower-layer network services. It enables the network to interpret a program"s request and the program to interpret data sent from network. Presentation layer: accepts application layer data and formats it so that one type of application and host can understand data from another type of application and host. Session layer: coordinates and maintains communication between two nodes on the network on the network. The term session refers to a connection for ongoing data exchange between two parties. Terminal: is a device with little (if any) of its own processing or disc capacity that depends on a host to supply it with software and processing services.