REVIEWQuestions
MULTIPLE CHOICE
Select the best response for the following statements.
1.
A __________ is confined to a limited geographical area.
A.
wide area network
B.
local area network
C.
tiny area network
D.
star topology
2.
What does the acronym LAN stand for?
A.
limited access network
B.
limited area network
C.
local area network
D.
local access network
3.
A ____________changes analog signals to digital signals and digital signals to analog.
A.
satellite
B.
modem
C.
NIC
D.
bridge
4.
__________ is an example of physical media.
A.
Twisted-pair cable
B.
IrDA
C.
Bluetooth
D.
Bus topology
5.
Which of the following is not high bandwidth media?
A.
cable
B.
fiber
C.
telephone line
D.
DSL
TRUE/FALSE
Circle T if the statement is true or F if the statement is false.
T
F
1. An add-on card that allows a computer to connect to a network is called a network interface card
(NIC).
T
F
2. Information sharing is NOT a network benefit.
T
F
3. The 802.11 technology is a family of standards governing wireless transmission.
T
F
4. The least expensive type of physical communications media is fiber-optic cable.
T
F
5. A router directs network traffic.
FILL IN THE BLANK
Complete the following sentences by writing the correct word or words in the blanks provided.
1. IRDA media sends signals using infrared light waves.
2. Coaxial cable is the primary type of cabling used by the cable television industry and is more expensive than
twisted-pair cable.
3. A(n) wide area network covers a large geographical area.
4. In a(n) peer-to-peer network, all computers are equal.
5. The least expensive type of cable is twisted-pair cable.
PROJECTS
CROSS-CURRICULAR—MATHEMATICS
Assume that you have two computers, a printer, and a scanner that you want to network. Create a report, including
a table, listing the hardware and software you would need to purchase, including the cost. How much will your
network cost? How will you connect to the Internet, and how much will that cost? List your total cost for the
project.
Solutions will vary.
CROSS-CURRICULAR—SCIENCE
Use the Internet and perform a Web search on Bluetooth technology. Find at least one positive and one negative
aspect of this technology. Write a one-page report on how this technology is being used. Include your opinion on
the future of this technology.
Solutions will vary. Some positives and negatives are as follows:
Positives: It is a standard and a communications protocol; low power consumption; do not have to be in
line of sight with each other.
Negatives: All devices must be bluetooth compatible; computer must have a bluetooth adapter;
compatibility problems
CROSS-CURRICULAR—SOCIAL STUDIES
Assume that you are the system administrator for a local area network. Most networks have a usage policy. Use
the Internet and other resources to design a usage policy for your network.
Solutions will vary.
CROSS-CURRICULAR—LANGUAGE ARTS
Select a business that you would like to run from home. Create a report describing your business and how you
could market your business using one or more of the following technologies: a network, e-mail, Internet
connection, fax modem, and a Web site.
Solutions will vary.
WEB PROJECT
Several popular network operating systems are in use. Visit www.howstuffworks.com/home-network.htm. At this
site, you will find network specifics on how a home network works. Review the various topics and then prepare a
report on the different types of hardware you would select to use in your home network.
Solutions will vary depending on the type of hardware selected and the number of computers included in
the network.
TEAMWORK PROJECT
Your supervisor at work is interested in using the company’s network to set up a computerized teleconference
with several of the other stores throughout the state. However, she would like to get more information on this
undertaking. She has asked you and the assistant manager to research this project and to prepare a report.
Solutions will vary.
CRITICALThinking
You now have three computers, a scanner, a DVD player, a printer, and a copier spread throughout several rooms
in your home. You and your family have decided it is time to network the equipment. Your goal is to determine
whether to go wired or wireless. After you decide on the technology you will use, write a one-page report listing
why you selected this technology and provide an overview of your network plan.
Solutions will vary.
EXPLORINGGoogle
Google's 411 application is a free service that can be accessed directly from any phone by dialing 1-800-GOOG411. Say the location and business name, and you are connected for free. Access the Google 411 site at
www.google.com/goog411/ and then answer the following questions: 1) Can GOOG-411 send you a text
message? 2) Can GOOG-411 send you a map? 3) Is this service available outside of the United States? 4) Which
languages are supported? 5) Can you use this service to make emergency calls?
Solutions: 1 - yes; 2 - yes; 3 - no; 4 - English; 5 - no