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1
Essentials of MIS, 12e (Laudon)
Chapter 7 Telecommunications, the Internet, and Wireless Technology
1) The device that acts as a connection point between computers and can filter and forward data
to a specified destination is called a(n):
A) hub.
B) switch.
C) router.
D) NIC.
E) LAN.
AACSB: Information Technology
LO: 7.1: What are the principal components of telecommunications networks and key
networking technologies?
2) The Internet is based on which three key technologies?
A) TCP/IP, HTML, and HTTP
B) TCP/IP, HTTP, and packet switching
C) Client/server computing, packet switching, and the development of communications standards
for linking networks and computers
D) Client/server computing, packet switching, and HTTP
E) HTTP, Web 3.0, and the mobile platform
AACSB: Information Technology
LO: 7.1: What are the principal components of telecommunications networks and key
networking technologies?
3) The method of slicing digital messages into parcels, transmitting them along different
communication paths, and reassembling them at their destinations is called:
A) multiplexing.
B) packet switching.
C) packet routing.
D) ATM.
E) software-defined networking.
AACSB: Information Technology
LO: 7.1: What are the principal components of telecommunications networks and key
networking technologies?
2
4) The telephone system is an example of a ________ network.
A) peer-to-peer
B) wireless
C) packet-switched
D) TCP/IP
E) circuit-switched
AACSB: Information Technology
LO: 7.1: What are the principal components of telecommunications networks and key
networking technologies?
5) Which of the following is not a characteristic of packet switching?
A) Packets travel independently of each other.
B) Packets are routed through many different paths.
C) Packet switching requires point-to-point circuits.
D) Packets include data for checking transmission errors.
E) Packet switching makes efficient use of a network's communications capacity.
AACSB: Information Technology
LO: 7.1: What are the principal components of telecommunications networks and key
networking technologies?
6) In TCP/IP, IP is responsible for:
A) disassembling and reassembling of packets during transmission.
B) establishing an Internet connection between two computers.
C) moving packets over the network.
D) sequencing the transfer of packets.
E) acknowledging the packets sent.
AACSB: Information Technology
LO: 7.1: What are the principal components of telecommunications networks and key
networking technologies?
7) In a telecommunications network architecture, a protocol is:
A) a device that handles the switching of voice and data in a local area network.
B) a standard set of rules and procedures for control of communications in a network.
C) a communications service for microcomputer users.
D) the main computer in a telecommunications network.
E) a system by which packets are sent over different networks.
AACSB: Information Technology
LO: 7.1: What are the principal components of telecommunications networks and key
networking technologies?
3
8) What are the four layers of the TCP/IP reference model?
A) Physical, application, transport, and network interface
B) Physical, application, Internet, and network interface
C) Application, transport, Internet, and network interface
D) Application, hardware, Internet, and network interface
E) Hardware, software, transport, and application
AACSB: Information Technology
LO: 7.1: What are the principal components of telecommunications networks and key
networking technologies?
9) Which protocol is the Internet based on?
A) TCP/IP
B) FTP
C) Packet-switching
D) HTTP
E) Telnet
AACSB: Information Technology
LO: 7.1: What are the principal components of telecommunications networks and key
networking technologies?
10) A ________ is special software that routes and manages communications on the network and
coordinates networks resources.
A) switch
B) firewall
C) server
D) network operating system/NOS
E) hotspot
AACSB: Information Technology
LO: 7.1: What are the principal components of telecommunications networks and key
networking technologies?
4
11) Prior to the development of ________, computer networks used leased, dedicated telephone
circuits to communicate with other computers in remote locations.
A) VOIP
B) routers
C) servers
D) coaxial cable
E) packet switching
AACSB: Information Technology
LO: 7.1: What are the principal components of telecommunications networks and key
networking technologies?
12) Approximately what percentage of U.S. households has high-speed broadband connections?
A) 10 percent
B) 25 percent
C) 50 percent
D) 75 percent
E) 99 percent
AACSB: Information Technology
LO: 7.1: What are the principal components of telecommunications networks and key
networking technologies?
13) A networking approach where many control functions for managing the movement of data
on a network are managed by a central program separately from the network itself is known as:
A) service-oriented architecture.
B) software-defined networking.
C) software-as-a-service.
D) remote network management.
E) cloud networking.
AACSB: Information Technology
LO: 7.1: What are the principal components of telecommunications networks and key
networking technologies?
5
14) Which of the following is not one of the four layers of the TCP/IP communications model?
A) Application layer
B) Transport layer
C) Internet layer
D) Network Interface layer
E) Local area layer
AACSB: Information Technology
LO: 7.1: What are the principal components of telecommunications networks and key
networking technologies?
15) Telephone networks are fundamentally different from computer networks.
AACSB: Information Technology
LO: 7.1: What are the principal components of telecommunications networks and key
networking technologies?
16) Increasingly, voice, video, and data communications are all based on Internet technology.
AACSB: Information Technology
LO: 7.1: What are the principal components of telecommunications networks and key
networking technologies?
17) To create a computer network, you must have at least two computers.
AACSB: Information Technology
LO: 7.1: What are the principal components of telecommunications networks and key
networking technologies?
18) An NOS must reside on a dedicated server computer in order to manage a network.
AACSB: Information Technology
LO: 7.1: What are the principal components of telecommunications networks and key
networking technologies?
19) A hub is a networking device that is used to filter and forward data to specified destinations
on the network.
AACSB: Information Technology
LO: 7.1: What are the principal components of telecommunications networks and key
networking technologies?
6
20) In a client/server network, a network server provides every connected client with an address
so it can be found by others on the network.
AACSB: Information Technology
LO: 7.1: What are the principal components of telecommunications networks and key
networking technologies?
21) Central large mainframe computing has largely replaced client/server computing.
AACSB: Information Technology
LO: 7.1: What are the principal components of telecommunications networks and key
networking technologies?
22) Circuit switching makes much more efficient use of the communications capacity of a
network than does packet switching.
AACSB: Information Technology
LO: 7.1: What are the principal components of telecommunications networks and key
networking technologies?
23) Two computers using TCP/IP can communicate even if they are based on different hardware
and software platforms.
AACSB: Information Technology
LO: 7.1: What are the principal components of telecommunications networks and key
networking technologies?
24) TCP/IP was developed in the 1950s.
AACSB: Application of Knowledge
LO: 7.1: What are the principal components of telecommunications networks and key
networking technologies?
25) A router is a device that forwards packets of data through different networks, ensuring that
the data gets to the right address.
AACSB: Information Technology
LO: 7.1: What are the principal components of telecommunications networks and key
networking technologies?
7
26) How does packet switching work?
AACSB: Information Technology; Written and Oral Communication
LO: 7.1: What are the principal components of telecommunications networks and key
networking technologies?
27) Identify the layers of the Department of Defense reference model for TCP/IP, and describe
how this model works.
AACSB: Information Technology; Written and Oral Communication
LO: 7.1: What are the principal components of telecommunications networks and key
networking technologies?
8
28) How are modern telephone and computer networks different from what firms used in the
past?
AACSB: Application of Knowledge; Written and Oral Communication
LO: 7.1: What are the principal components of telecommunications networks and key
networking technologies?
29) Which signal types are represented by a continuous waveform?
A) Laser
B) Optical
C) Digital
D) Analog
E) Hybrid
AACSB: Information Technology
LO: 7.2: What are the different types of networks?
30) To use the analog telephone system for sending digital data, you must also use:
A) coaxial cable.
B) a router.
C) DSL.
D) twisted wire.
E) a modem.
AACSB: Information Technology
LO: 7.2: What are the different types of networks?
31) Which type of network is used to connect digital devices within a half-mile or 500-meter
radius?
A) Microwave
B) LAN
C) WAN
D) MAN
E) WSN
AACSB: Information Technology
LO: 7.2: What are the different types of networks?
9
32) Which type of network serves a small group of computers, allowing them to share resources
and peripherals without using a dedicated server?
A) Peer-to-peer
B) Wireless
C) LAN
D) Ring
E) MAN
AACSB: Information Technology
LO: 7.2: What are the different types of networks?
33) Which type of network would be most appropriate for a business comprised of three
employees and a manager located in the same office space whose primary need is to share
documents?
A) PAN
B) Domain-based LAN
C) Peer-to-peer network
D) Campus area network
E) WAN
AACSB: Analytical Thinking
LO: 7.2: What are the different types of networks?
34) A network that spans a city, and sometimes its major suburbs as well, is called a:
A) CAN.
B) MAN.
C) LAN.
D) WAN.
E) WSN.
AACSB: Information Technology
LO: 7.2: What are the different types of networks?
35) A network that covers entire geographical regions is most commonly referred to as a(n):
A) local area network.
B) intranet.
C) peer-to-peer network.
D) metropolitan area network.
E) wide area network.
AACSB: Information Technology
LO: 7.2: What are the different types of networks?
10
36) Bandwidth is the:
A) number of frequencies that can be broadcast through a medium.
B) number of cycles per second that can be sent through a medium.
C) difference between the highest and lowest frequencies that can be accommodated on a single
channel.
D) total number of bytes that can be sent through a medium per second.
E) number of packets sent per minute over a medium.
AACSB: Information Technology
LO: 7.2: What are the different types of networks?
37) The total amount of digital information that can be transmitted through any
telecommunications medium is measured in:
A) bps.
B) Hertz.
C) baud.
D) gigaflops.
E) ROM.
AACSB: Information Technology
LO: 7.2: What are the different types of networks?
38) Digital subscriber lines:
A) operate over existing telephone lines to carry voice, data, and video.
B) operate over coaxial lines to deliver Internet access.
C) are very-high-speed data lines typically leased from long-distance telephone companies.
D) have up to twenty-four 64-Kbps channels.
E) are based on radio signals of various frequencies.
AACSB: Information Technology
LO: 7.2: What are the different types of networks?
39) T lines:
A) operate over existing telephone lines to carry voice, data, and video.
B) operate over coaxial lines to deliver Internet access.
C) are used in connection with satellite Internet access.
D) have up to twenty-four 64-Kbps channels.
E) are high-speed, leased data lines providing guaranteed service levels.
AACSB: Information Technology
LO: 7.2: What are the different types of networks?
