# Provided by the Open.Michigan initiative at the University of Michigan
# Licensed under a Creative Commons Attribution 3.0 License:
# http://creativecommons.org/licenses/by/3.0/.
# Copyright 2009, Chuck Severance.

SI502 - Networking Study Questions

This is not an assignment - it is a set of questions 
based on the network lectures.  You can use it to 
study for the midterm.

Answer the following questions and turn your edited 
document document into CTools under Assignments.  If a 
question is confusing - feel free to comment on what 
confuses you w.r.t. the question. 

1) Give an example of "Abstraction" and how Abstraction makes 
the Internet possible.

2) Explain what a network "hop" is.

3) What problem is the IP layer trying to solve in the Internet?  
What technical design choices were made to make it possible for IP
to scale to such a large number of networks and computers?

4) What are some common Physical Layer protocols?

5) What is the command used in the Post Office Protocol (POP3) 
to select a mailbox?

6) What is the purpose of a TCP/IP application port?  What are 
two common network ports and what applications use those ports?

7) How do the POP3 and HTTP protocols differ in terms of how a
single TCP connection is used?

8) Why does the Internet Engineering Task Force call their standards
"RFCs - Reqests For Comments" - how does this reflect the procedure 
they use to develop standards?