A s a student in this course you must be able to describe the evolving nature of IS/IT and their role in today’s organizations. Pick 2 non-technical jobs and….
What is the OSI reference model?
1. What is the OSI reference model?
2. In a network based on the bus topology, the bus is a non-shareable resource for which the machines must compete in order to transmit
messages. How is deadlock (see the optional Section 3.4) controlled in this context?
3. List the four layers in the Internet software hierarchy and identify a task performed by each layer.