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Chapter 9
True/False
Darken the letter on a Scantron that indicates whether the sentence or statement is true or false.
1. Today, only large computers have communications capabilities.
2. To place an Internet telephone call, Internet software and a computer’s sound card are needed to digitize and
compress the spoken words.
3. With the necessary software, a printer with Internet printing capability can receive print instructions from
desktop computers, mobile computers, or mobile devices.
4. A voice mail system seldom provides individual voice mailboxes.
5. In a networked environment, no authorized computer user can access data and information stored on other
computers on the network.
6. The Internet is the world’s smallest LAN.
7. Because Bluetooth requires line-of-sight transmission, some industry experts predict that infrared technology
will replace Bluetooth.
8. Home and small business users purchase fractional T1, in which they share a connection to the T1 line with
other users.
9. A modem usually is in the form of an adapter card that is inserted into an expansion slot on a computer’s
motherboard.
10. For any home user, the hardware and software of an Ethernet network is easy to configure.
11. A phoneline network is a network that uses the same lines that bring electricity into the house.
12. Factors that can negatively affect latency include the distance between two points, the type of transmission
media, and the number of nodes through which data must travel.
13. Physical transmission media send communications signals through the air or space using radio, microwave,
and infrared signals.
14. Because an unlimited number of radio frequencies exist, cellular network providers use frequencies only once
to accommodate the small number users.
Multiple Choice
Darken the letter on a Scantron of the choice that best completes the statement or answers the question.
15. Most businesses use a standard, such as ____, that defines how data transmits across telephone lines or other
means.
a. PCS (Personal Communications Services)
b. EFT (Electronic Funds Transfer)
c. PDS (Public Data Services)
d. EDI (Electronic Data Interchange)
16. A ____ is a network that connects computers and devices in a limited geographical area, such as a home,
school computer laboratory, or office building.
a. local area network (LAN)
c. wide area network (WAN)
b. metropolitan area network (MAN)
d. variable area network (VAN)
17. A ____ is a high-speed network that connects networks in an area such as a city or town and handles the bulk
of communications activity across that region.
a. local area network (LAN)
c. wide area network (WAN)
b. metropolitan area network (MAN)
d. variable area network (VAN)
18. A file server is a dedicated server that ____.
a. stores and manages files
b. manages printers and print jobs
c. stores and provides access to a database
d. manages network traffic (activity)
19. A network server is a dedicated server that ____.
a. stores and manages files
b. manages printers and print jobs
c. stores and provides access to a database
d. manages network traffic (activity)
20. On a star network, if one node fails ____.
a. only that node is affected
b. only the nodes before that node are affected
c. only the nodes after that node are affected
d. all the nodes are affected
21. When a computer sends data over the Internet, the data is divided into small pieces, or ____.
a. bundles
c. slices
b. packets
d. baskets
22. With ISDN, the same telephone line that could carry only one computer signal now can carry three or more
signals at once through the same line, using a technique called ____.
a. packet switching
c. multiplexing
b. routing
d. modulating
23. DSL is much ____ data transfer rates.
a. harder to install than ISDN and provides much slower
b. harder to install than ISDN but provides much faster
c. easier to install than ISDN but provides much slower
d. easier to install than ISDN and provides much faster
24. Types of wired home networks include all of the following except ____.
a. Ethernet
c. powerline cable
b. 802.11b
d. phoneline
25. On a star network, the central device that provides a common connection point for nodes on the network is
called the ____.
a. hub
c. printer
b. personal computer
d. file server
Chapter 9
Answer Section
TRUE/FALSE
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
13.
14.
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
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ANS:
ANS:
F
T
T
F
F
F
F
T
T
F
F
T
F
F
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
Primary
Secondary
Secondary
Secondary
Primary
Primary
Primary
Secondary
Primary
Secondary
Secondary
Primary
Secondary
Primary
REF:
REF:
REF:
REF:
REF:
REF:
REF:
REF:
REF:
REF:
REF:
REF:
REF:
REF:
9.02
9.06
9.06
9.10
9.12
9.14
9.19
9.24
9.25
9.29
9.29
9.31
9.32
9.34
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
1
3
3
3
4
4
6
8
9
10
10
11
11
11
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
Secondary
Primary
Secondary
Secondary
Secondary
Secondary
Secondary
Secondary
Primary
Secondary
Secondary
REF:
REF:
REF:
REF:
REF:
REF:
REF:
REF:
REF:
REF:
REF:
9.12
9.13
9.13
9.14
9.14
9.17
9.18
9.23
9.24
9.29
9.17
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
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4
4
4
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5
5
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8
10
5
MULTIPLE CHOICE
15.
16.
17.
18.
19.
20.
21.
22.
23.
24.
25.
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
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ANS:
D
A
B
A
D
A
B
C
D
B
A