Name:

Homework #3 - CSIS 625 - Spring 2002 - Oelke
Due Week 10 (April 9, 2002) by classtime

Instructions: Email this document with your answers filled in to droelke@stthomas.edu
Put the text as unformatted text in the body of your message, not as an attachment.


Define the following:
1) MAC
2) Collision domain
2) Packet Switched Network:
3) Circuit Switched Network
4) Virtual Circuit
5) ISDN BRI:
 
 
Short Answer:

6) Describe the life of a virtual circuit.
   What happens from the start of a virtual circuit until the end.

7) What are strengths and weaknesses of a space division switch
   compared with a time division switch.

8) Compare a simple cross bar switch, a folded cross bar switch, 
   and a multi-stage switch.

9) Give strengths and weaknesses of using packet switched networks 
   vs. circuit switched networks.

10) Compare switched virtual circuits with permanent virtual circuits.  
    Why would a network designer use one over the other?

11) Explain what the B and D channels in ISDN are and what they are used for.