Name: _____________________________

Homework - CSIS 625 - Fall 2001 - Oelke
Due Week 10 (11/12/01) by classtime
Homework version B

Instructions: Hand in a printed copy of this homework with your answers filled in.  All submissions must be computer printed - no handwritten submissions accepted.

Define the following:
1) Class 4 switch: 
2) Circuit Switched Network
3) Virtual Circuit
4) ISDN PRI:
5) ATM:
6) ABR:
7) VPI:
8) AAL5:
9) NNI:
10) PAD
11) IXC:
12) Extra Credit: TLA:
 
 
Short Answer:
13) Describe the life of a virtual circuit.
14) What are strengths and weaknesses of a space division switch compared with a time division switch.
15) Compare switched virtual circuits with permanent virtual circuits.  Why would a network designer use one over the other?
16) Explain what the B and D channels in ISDN are and what they are used for.
17) Compare the strengths and weaknesses of ATM vs. Frame Relay
18) Describe the differences between a Key System and Centrex service.