Final exam closed section -- CSCI 363

This is the closed section exam. You must turn in this section of the exam before consulting your textbook or any class notes.
Name: _____________________.

Problem 1. 10 points

Give short descriptions of the following Java classes and state how they are used in writing networking applications.

`InetAddress`
`RMISecurityManager`
`ServerSocket`
`Servlet`
`Socket`

Problem 2. 8 points

Give short descriptions of how the following programs are used in developing Java applications.

`appletviewer`
`java`
`javac`
`rmic`

Problem 3. 27 points

Give short definitions of nine of the following tenterms. The first nine that you answer will be graded.

CGI (Common Gateway Interface)
Class B network
Exponential backoff
IP
Java packages
RMI
stateless servers
stubs
UDP
URL

Problem 4. 5 points

Why is error handling usually more important in networking applications than in other applications?

Problem 5. 5 points

Answer one of the following two questions

How are public keys used in encryption mechanisms?
How are tickets used in Kerberos?

Problem 6. 5 points

Name the major difference in the server naming schemes used by the ONC (Open Network Consortium) and the DCE (Distributed Computing Environment) RPC mechanisms.