1. What is a communication protocol? Conceptually, what two aspects of communication does a protocol specify?
2. What are two reasons for using layered protocol? What is one possible disadvantage of using layered protocol?
3. Explain how headers are added and removed as data passes through a layered model.
4. Describe how a network administrator uses the OSI model to isolate a network problem
5. List two advantages of using fiber optics over copper as a transmission medium
6. Describe any downside of using fiber optics over copper
7. While IP addresses are tied to specific networks. Ethernet addresses are not. Can you think of a good reason why they are not?
8. How does layer 3 switch differ from layer 2 switch?
9. Compare and contrast circuit switching and packet switching. Describe the tradeoffs between the two technologies.
10. What is Client Server Computing?
11. What distinguishes client/server computing from any other form of distributed data processing?
12. In the cloud computing paradigm, virtualization and management of standard enterprise IT solution stacks are offered through the three levels of services: SaaS, PaaS, and IaaS. Explain the meaning of the following within the context of cloud computing:
(a) Software as a Service (SaaS)
(b) Platform as a Service (PaaS)
(c) Infrastructure as a Service (IaaS)