Name: _____________________________

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

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:
Define the following:
1) Class 4 switch: 
2) Packet Switched Network:
3) Virtual Circuit
4) ISDN BRI:
5) ATM:
6) ABR:
7) VPI:
8) AAL1:
9) NNI:
10) FRAD:
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 X.25 vs. Frame Relay
18) Describe the differences between a PBX and Centrex service.