CS 442

Implementing Network Systems

Study Guide 2

Due Wednesday, November 13, 2002

Exam Friday, November 15, 2002

 

Covers Chapters 7, 10, 11

 

PART I: Please Identify and describe the following terms.

 

DSL

Cable Modem

Internet 2

NAP

Broadband

POP

RAS

CERT

DES

DoS

DDoS

Encryption

IPSec

PGP

SSL

MTBF

MTTR

TCO

ESD

Firewall

 

 

PART II: Please answer the following questions with a well-prepared essay.

 

1.     People tend to think of software when documentation in mentioned. What is documentation in a network situation?

 

2.     Describe the three general ways of restricting access on a network.

 

3.     Many experts predicted that small local ISPs would disappear as regional and national ISPs began offering local access. This hasnít happened. Why?

 

4.     Why is combining voice and data a major organizational challenge?

 

5.     Compare and contrast cable modem and DSL. Which is better? Why?

 

6.     What is performance and fault management?

 

7.     Compare and contrast symmetric and asymmetric encryption.

 

8.     What is a POP?

 

9.     What are the primary functions of end-user support?

 

10. Briefly outline the steps required to complete a risk assessment.

 

11. What is the purpose of a disaster recovery plan? What are the five major elements of a typical disaster recovery plan?

 

12. What is IP spoofing?

 

13. Suppose you started working as a network manager at a medium-sized firm with an Internet presence and discovered that the previous network manager had done a terrible job of network security. Which four security controls would be your top priority? Why?

 

†††† 14. How does PGP differ from SSL?

 

15. What are the principal organizations responsible for Internet governance and what do they do?

 

16. What are the most common security threats? What are the most critical?

 

17. What is Internet 2?

 

18. How can one reduce the risk of natural disaster?