Management Information Systems, 14e (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) modem.
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) e-mail, instant messaging, and newsgroups
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 shifting.
C) packet routing.
D) ATM.
E) packet switching.
4) The telephone system is an example of a ________ network.
A) peer-to-peer
B) wireless
C) packet-switched
D) circuit-switched
E) client/server
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) Packets are reassembled into the original message when they reach their destinations.
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) breaking messages down into packets.
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 pathway through which packets are routed.
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) software, hardware, network interface, Internet
9) Which protocol is the Internet based on?
A) TCP/IP
B) FTP
C) packet-switching
D) HTTP
E) DNS
10) A(n) ________ is a device that forwards packets of data through different networks, ensuring
that the data gets to the right address.
A) modem
B) router
C) packet
D) telnet
E) hub
11) Telephone networks are fundamentally different from computer networks.
12) An NOS must reside on a dedicated server computer in order to manage a network.
13) A hub is a networking device that connects network components and is used to filter and
forward data to specified destinations on the network.
14) 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.
15) A computer network consists of at least three computers.
16) Central large mainframe computing has largely replaced client/server computing.
17) Circuit switching makes much more efficient use of the communications capacity of a
network than does packet switching.
18) Two computers using TCP/IP can communicate even if they are based on different hardware
and software platforms.
19) More than 50% of U.S. Internet users access the Internet via mobile devices.
20) In a large company today, you will often find an infrastructure that includes hundreds of
small LANs linked to each other as well as to corporate-wide networks.
21) TCP/IP was developed in the 1960s to enable university scientists to locate other computers
on the Internet.
22) How does packet switching work?
23) Identify the layers of the Department of Defense reference model for TCP/IP, and describe
how this model works.
24) Which signal types are represented by a continuous waveform?
A) laser
B) optical
C) digital
D) RFID
E) analog
25) To use the analog telephone system for sending digital data, you must also use
A) a modem.
B) a router.
C) DSL.
D) twisted wire.
E) TCP/IP.
26) Which type of network is used to connect digital devices within a half-mile or 500-meter
radius?
A) Wi-Fi
B) LAN
C) WAN
D) MAN
E) SAN
27) Which type of network treats all processors equally and allows peripheral devices to be
shared without going to a separate server?
A) MAN
B) wireless
C) LAN
D) Windows domain network
E) peer-to-peer
28) Which type of network would be most appropriate for a business that comprised three
employees and a manager located in the same office space, whose primary need is to share
documents?
A) MAN
B) domain-based LAN
C) peer-to-peer network
D) WAN
E) SAN
29) 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.
30) 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) wide area network.
E) MAN.
31) 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) geographical distance spanned by a network.
32) 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) RPMs.
33) A(n) ________ signal is a discrete, binary waveform that transmits data coded into two
discrete states such as 1-bits and 0-bits.
A) modulated
B) broadband
C) T1
D) analog
E) digital
34) Coaxial cable is similar to that used for cable television and consists of thickly insulated
copper wire.
35) Fiber-optic cable is more expensive and harder to install than wire media.
36) The number of cycles per second that can be sent through any telecommunications medium
is measured in kilobytes.
37) You have been hired by a small new Web design firm to set up a network for its single office
location. The network is primarily needed for exchanging files, accessing and managing beta
Web sites on their Web server, and connecting to the Internet. The firm hires many freelancers
who come into the office on an ad-hoc basis and it does not have a lot of money to spend on
infrastructure. What type of network will you recommend?
38) Which of the following is not one of the top five search engines?
A) Facebook
B) Yahoo
C) Microsoft Bing
D) Ask
E) Google
39) Digital subscriber lines
A) operate over existing telephone lines to carry voice, data, and video.
B) operate over coaxial cable 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 assigned to every computer on the Internet.
40) T1 lines
A) operate over existing telephone lines to carry voice, data, and video.
B) operate over coaxial lines to deliver Internet access.
C) do not provide guaranteed service levels, but simply “best effort.”
D) have up to twenty-four 64-Kbps channels.
E) are high-speed, leased data lines providing guaranteed service levels.
41) What service converts IP addresses into more recognizable alphanumeric names?
A) HTML
B) FTP
C) IP
D) HTTP
E) DNS
42) The child domain of the root is the
A) top-level domain.
B) second-level domain.
C) host name.
D) domain extension.
E) mid-tier domain.
43) In the domain name “http://books.azimuth-interactive.com”, which element is the second-
level domain?
A) books
B) azimuth-interactive
C) com
D) none; there is no second-level domain in this name
E) books.azimuth-interactive
44) Which organization helps define the overall structure of the Internet?
A) none (no one “owns” the Internet)
B) W3C
C) ICANN
D) The Department of Commerce (U.S.)
E) IAB
45) IPv6 is being developed in order to
A) update the packet transmission protocols for higher bandwidth.
B) create more IP addresses.
C) allow for different levels of service.
D) support Internet2.
E) reduce excess IP addresses.
46) “Predictive search” in Google’s search engine
A) maintains a history of your searches and then predicts what you will search on next.
B) uses a tracking service and cookies on your browser to predict search results.
C) uses a knowledge graph of what similar people searched on to predict your search interests.
D) uses a semantic approach to predict what you are looking for.
E) predicts what you are looking for as you enter words into the query box.