ANS: T PTS: 1 REF: 3

TRUE/FALSE

• Data is information that has been translated into a form that is more conducive to storage,

transmission, and calculation.

ANS: T PTS: 1 REF: 3

• Some people call computer terminals thick-client workstations.

ANS: F PTS: 1 REF: 6

• A type of microcomputer-to-local area network connection that is growing in popularity is the wireless

connection.

ANS: T PTS: 1 REF: 6

• To communicate with the Internet using a dial-up modem, a user’s computer must connect to another

computer that is already communicating with the Internet.

ANS: T PTS: 1 REF: 7

• It is not possible to connect two local area networks so that they can share peripherals as well as

software.

ANS: F PTS: 1 REF: 8

• Metropolitan area networks can transfer data at fast, LAN speeds but over smaller geographic regions

than typically associated with a local area network.

ANS: F PTS: 1 REF: 9

• The Internet is not a single network but a collection of thousands of networks.

ANS: T PTS: 1 REF: 10

• One of the most explosive areas of growth in recent years has been cellular phone networks.

ANS: T PTS: 1 REF: 11

• By the 1970s, telephone systems carried more computer data than voice.

ANS: F PTS: 1 REF: 13

• Network architectures are cohesive layers of protocols defining a set of communication services.

ANS: T PTS: 1 REF: 14

• The OSI model tells us what kind of wire or what kind of connector to use to connect the pieces of a

network.

CHAPTER 1

(Data Communications and Computer Networks A Business User's Approach, 8e Curt White) (Test Bank all Chapters) 1 / 4

ANS: F PTS: 1 REF: 18

• The application layer of the OSI model is responsible for token management.

ANS: F PTS: 1 REF: 18

• The session layer of the OSI model is responsible for establishing synchronization points.

ANS: T PTS: 1 REF: 20

• The network layer of the OSI model is an end-to-end layer.

ANS: F PTS: 1 REF: 20

• The data link layer of the OSI model can incorporate some form of error detection software.

ANS: T PTS: 1 REF: 20

• The TCP/IP protocol suite does not have rigidly defined layers as the OSI model does.

ANS: T PTS: 1 REF: 15

• Telnet is used to allow a remote user to log in to another computer system.

ANS: T PTS: 1 REF: 16

• SNMP is used to allow users to send and receive electronic mail.

ANS: F PTS: 1 REF: 16

• The lowest layer of the TCP/IP protocol suite is the network access or physcial layer.

ANS: T PTS: 1 REF: 17

• In a network architecture, as the packet moves up through the layers, the data packet shrinks in size.

ANS: T PTS: 1 REF: 23

MULTIPLE CHOICE

• A ____ is an interconnection of computers and computing equipment using either wires or radio waves

over small or large geographic areas.

• personal area network (PAN) c. wireless network
• computer network d. local area network (LAN)

ANS: B PTS: 1 REF: 3

• ____ is the transmission of multiple signals on one medium.
• Multiplexing c. Modem
• Codec d. Package

ANS: A PTS: 1 REF: 3

• ____ is the design, installation, and support of a network and its hardware and software. 2 / 4

• Convergence c. Data network
• Voice network d. Network management

ANS: D PTS: 1 REF: 4

• ____ are the computers that store network software and shared or private user files.
• Switches c. Servers
• Routers d. Hubs

ANS: C PTS: 1 REF: 4

• ____ are more advanced devices that are replacing hubs and are capable of filtering out unnecessary

traffic.

• Switches c. Servers
• Routers d. Workstations

ANS: A PTS: 1 REF: 4

• A ____ is a device that is essentially a keyboard and screen with no long-term storage capabilities and

little, if any, processing power.

• protocol c. thick-client
• mainframe d. computer terminal

ANS: D PTS: 1 REF: 13

• In a(n) ____ system, a user at a microcomputer, or client machine, issues a request for some form of

data or service.

• wireless c. bridge
• client/server d. Internet

ANS: B PTS: 1 REF: 6

• A modem and a dial-up telephone service provides data transfer rates of approximately ____.
• 56,000 bits per second (56 kbps) c. 128,000 bits per second (128 kbps)
• 112,000 bits per second (112 kbps) d. 256,000 bits per second (256 kbps)

ANS: A PTS: 1 REF: 7

• The Internet “talks” only ____, so users must use software that supports this protocol.
• IPX/SPX c. TCP/IP
• DSL d. FTP

ANS: C PTS: 1 REF: 7

• The devices that usually connect two or more LANs are the switch, hub, and ____.
• workstation c. server
• access point d. router

ANS: D PTS: 1 REF: 8

• The personal area network was created in the late ____.
• 1970s c. 1990s
• 1980s d. 2000s

ANS: C PTS: 1 REF: 8

• / 4

• A ____ is a high-speed network that interconnects multiple sites within a close geographic region,

such as a large urban area.

• metropolitan area network (MAN) c. local area network (LAN)
• wide area network (WAN) d. personal area network (PAN)

ANS: A PTS: 1 REF: 9

• Connecting two wide area networks requires devices such as high-speed ____.
• hubs c. bridges
• routers d. reflectors

ANS: B PTS: 1 REF: 10

• The ____ in a network architecture define a model for the functions or services that need to be

performed.

• servers c. routers
• workstations d. layers

ANS: D PTS: 1 REF: 14

• The International Organization for Standardization (ISO) created the ____ reference model in an

attempt to standardize the design of communication systems and the interoperability between their components.

• Open Systems Interconnection (OSI) c. FTP
• TCP/IP d. ASCII

ANS: A PTS: 1 REF: 18

• The ____ layer of the OSI model makes sure the data received at the very end of a transmission is

exactly the same as the data originally transmitted.

• application c. transport
• session d. network access

ANS: C PTS: 1 REF: 18

• The ____ layer of the OSI model performs a series of miscellaneous functions necessary for presenting

the data package properly to the sender or receiver.

• transport c. applications
• presentation d. session

ANS: B PTS: 1 REF: 18

• The ____ layer is the OSI layer that handles routing.
• network c. transport
• application d. session

ANS: A PTS: 1 REF: 18

• The ____ layer of the OSI model performs end-to-end error control and end-to-end flow control.
• application c. transport
• presentation d. session

ANS: C PTS: 1 REF: 18

• The ____ layer of the OSI model performs end-to-end connection control.
• transport c. physical
• / 4