Questions

1. What does OSI stand for, and what is the name of the organization that standardized it?
2. What is the abstraction layer via which layers of the OSI network stack communicate with layers beneath them?
3. How many layers are in the OSI network stack, and what are they?
4. What is the name of the standardization mechanism by which entities on the same layer of the network stack on different hosts communicate?
5. What does HTTP stand for? For which network layer is HTTP used as a communication protocol?
6. Name all of the HTTP verbs that a request can be sent from.
7. What are some of the primary differences between the TCP and UDP transport protocols?