Chapter 8: Review Questions

1.
Describe the features of a contemporary corporate telecommunications infrastructure and a simple network.
2.
Describe seven major trends in telecommunications.
3.
What is the business value of telecommunications and networking? What role is played by Metcalfe’s Law?
4.
Name and describe the three technologies that have shaped contemporary telecommunications systems.
5.
Name the different types of physical transmission media and compare them in terms of speed and cost.
6.
What is a local area network (LAN)? What are the components of a typical LAN? What are the functions of each component?
7.
Name and describe the principal network topologies.
8.

Define the following: WAN, MAN, modem, protocol, optical network, and bandwidth.

9.
List and describe the various broadband network services.
10.
What are the features that define the Internet? How is the Internet governed? How does it provide business value?
11.

Explain how the domain name and IP addressing system works.

12.
List and describe the principal Internet services.
13.

List and describe alternative ways of locating information on the Web.

14.

What are intranets and extranets? How do they provide value to businesses?

15.
Describe the capabilities of next-generation networks, including Internet2? How do they differ from those of the existing public Internet? What benefits can they provide?
16. Name and describe the principal technologies and tools that support communication and electronic business.
17. What are Internet telephony and virtual private networks? How do they provide value to businesses?
18. Describe the challenges posed by networking and the Internet and some ways to address them.