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E-Commerce Quiz Chapter 3 - Multiple Choice

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E-commerce
Sergio López
Quiz por Sergio López, atualizado more than 1 year ago
Sergio López
Criado por Sergio López mais de 8 anos atrás
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Resumo de Recurso

Questão 1

Questão
During which period of time did the Institutionalization phase of Internet development take place?
Responda
  • 1950-1960
  • 1961-1974
  • 1975-1995
  • 1995-through the present

Questão 2

Questão
Which of the following occurred during the Commercialization phase of Internet development?
Responda
  • The fundamental building blocks of the Internet were realized in actual hardware and software.
  • Large mainframes on different college campuses were linked.
  • The Domain Name System was introduced.
  • NSF privatized the operation of the Internet's backbone.

Questão 3

Questão
During which phase of the development of the Internet was Ethernet invented?
Responda
  • Commercialization phase
  • Institutional phase
  • Innovation phase
  • Consolidation phase

Questão 4

Questão
Which of the following is not one of the basic technological foundations of the Internet?
Responda
  • client/server computing
  • Tracert
  • TCP/IP communications protocol
  • packet-switching hardware

Questão 5

Questão
The process of slicing digital messages into parcels, sending them along different communication paths as they become available, and reassembling them at the destination point is called:
Responda
  • routing.
  • the Transmission Control Protocol.
  • packet switching.
  • the File Transfer Protocol.

Questão 6

Questão
Which of the following is the core communications protocol for the Internet?
Responda
  • Telnet
  • FTP
  • TCP/IP
  • SSL

Questão 7

Questão
The Transport Layer of TCP/IP is responsible for which of the following?
Responda
  • placing packets on and receiving them from the network medium
  • addressing, packaging, and routing messages
  • providing communication with the application by acknowledging and sequencing the packets to and from the application
  • providing a variety of applications with the ability to access the services of the lower layers

Questão 8

Questão
The Internet Layer of TCP/IP is responsible for which of the following?
Responda
  • placing packets on and receiving them from the network medium
  • addressing, packaging, and routing messages
  • providing communication with the application by acknowledging and sequencing the packets to and from the application
  • providing a variety of applications with the ability to access the services of the lower layers

Questão 9

Questão
Which of the following allows users to communicate visually and aurally in real-time, and uses high-resolution monitors to simulate the presence of participants?
Responda
  • telepresence
  • videoconferencing
  • VOIP
  • IP telephony

Questão 10

Questão
An IPv4 address is expressed as a:
Responda
  • 32-bit number that appears as a series of four separate numbers separated by semicolons.
  • 64-bit number that appears as a series of four separate numbers separated by semicolons.
  • 64-bit number that appears as a series of four separate numbers separated by periods.
  • 32-bit number that appears as a series of four separate numbers separated by periods.

Questão 11

Questão
The natural language convention used to represent IP addresses is called the:
Responda
  • uniform resource locator system.
  • Internet protocol addressing schema.
  • domain name system.
  • assigned numbers and names (ANN) system.

Questão 12

Questão
The addresses used by browsers to identify the location of content on the Web are called:
Responda
  • domain names.
  • uniform resource locators.
  • IP addresses.
  • file paths.

Questão 13

Questão
Which of the following statements about client/server computing is true?
Responda
  • It exploded the available communications capacity.
  • It provided communication rules and regulations.
  • It connects multiple powerful personal computers together in one network with one or more servers dedicated to common functions that they all need.
  • It does not provide sufficient computing capacity to support graphics or color.

Questão 14

Questão
Which of the following is not an advantage of client/server computing over centralized mainframe computing?
Responda
  • It is easy to expand capacity by adding servers and clients.
  • Each client added to the network increases the network's overall capacity and transmission speeds.
  • Client/server networks are less vulnerable, in part because the processing load is balanced over many powerful smaller computers rather than concentrated in a single huge computer.
  • There is less risk that a system will completely malfunction because backup or mirror servers can pick up the slack if one server goes down.

Questão 15

Questão
________ is a model of computing in which firms and individuals obtain computing power and software applications over the Internet, rather than purchasing and installing it on their own computers.
Responda
  • Client/server computing
  • P2P computing
  • Mobile computing
  • Cloud computing

Questão 16

Questão
Which of the following protocols is used to send mail to a server?
Responda
  • SMTP
  • FTP
  • HTTP
  • SSL

Questão 17

Questão
Where does TSL operate within TCP/IP?
Responda
  • between the Internet Layer and the Transport Layer
  • between the Transport Layer and the Application Layer
  • between the Network Interface Layer and the Transport Layer
  • between the Internet Layer and the Application Layer

Questão 18

Questão
A(n) ________ is an audio presentation stored as an audio file and posted to the Web for users to download.
Responda
  • podcast
  • RSS subscription
  • weblog
  • widget

Questão 19

Questão
________ is one of the original Internet services and is used to transfer files from a server computer to a client computer and vice versa.
Responda
  • SMTP
  • FTP
  • HTTP
  • SSL

Questão 20

Questão
________ is a utility program that allows you to check the connection between your client and a TCP/IP network.
Responda
  • Ping
  • Telnet
  • Tracert
  • Finger

Questão 21

Questão
Which layer of Internet architecture is composed of the telecommunications networks and protocols?
Responda
  • Network Technology Substrate layer
  • Middleware Services layer
  • Transport Services and Representation Standards layer
  • Applications layer

Questão 22

Questão
TCP/IP operates in which layer of Internet architecture?
Responda
  • Network Technology Substrate layer
  • Middleware Services layer
  • Transport Services and Representation Standards layer
  • Applications layer

Questão 23

Questão
An Internet-enabled media player would run in which layer of Internet architecture?
Responda
  • Network Technology Substrate layer
  • Middleware Services layer
  • Transport Services and Representation Standards layer
  • Applications layer

Questão 24

Questão
The layer of Internet architecture that ties the applications to the communications network and includes such services as security and authentication is called the:
Responda
  • Network Technology Substrate layer.
  • Middleware Services layer.
  • Transport Services and Representation Standards layer.
  • Applications layer.

Questão 25

Questão
The backbone of the Internet is formed by:
Responda
  • Internet Exchange Points (IXPs).
  • ) Network Service Providers (NSPs).
  • Internet Service Providers (ISPs).
  • Metropolitan Area Exchanges (MAEs).

Questão 26

Questão
When talking about the physical elements of the Internet, the term redundancy refers to:
Responda
  • transmitting multiple copies of a single packet to safeguard against data loss.
  • the use of tiered high-speed switching computers to connect the backbone to regional and local networks.
  • delays in messages caused by the uneven flow of information through the network.
  • multiple duplicate devices and paths in a network built so that data can be rerouted if a breakdown occurs.

Questão 27

Questão
The "hubs" where the backbone owners connect with one another are called:
Responda
  • Internet Exchange Points (IXPs).
  • Network Service Providers (NSPs).
  • Internet Service Providers (ISPs).
  • Metropolitan Access Points (MAPs).

Questão 28

Questão
Local area networks that operate within a single organization that leases access to the Web directly from regional and national carriers are called:
Responda
  • wide area networks.
  • extranets.
  • campus area networks.
  • private exchanges.

Questão 29

Questão
The ________ is a consortium of corporations, government agencies, and nonprofit organizations that monitors Internet policies and practices.
Responda
  • Internet Engineering Steering Group (IESG)
  • World Wide Web Consortium (W3C)
  • Internet Engineering Task Force (IETF)
  • Internet Society (ISOC)

Questão 30

Questão
The ________ helps define the overall structure of the Internet.
Responda
  • IAB
  • IESG
  • W3C
  • ITU

Questão 31

Questão
Which of the following is not a limitation of the current Internet?
Responda
  • HTML, which is not proficient for designing business documents or databases for Web viewing
  • limited bandwidth, which causes congestion and cannot adequately handle video and voice traffic
  • architectural restrictions, which stipulate that numerous requests for the same file must each be answered individually, slowing network performance
  • the difficulty in expanding capacity by adding servers and clients

Questão 32

Questão
Which of the following is not true about the mobile platform?
Responda
  • Most smartphones use Intel chips.
  • The number of cell phones worldwide exceeds the number of PCs.
  • About 25% of the world's cell phones are smartphones.
  • Unlike PCs, smartphones do not need fans.

Questão 33

Questão
Which of the following statements about fiber-optic cable is not true?
Responda
  • It consists of twelve or sixteen strands of glass.
  • It is thinner and lighter than coaxial or twisted pair cable.
  • It enables better data security than coaxial cable.
  • There are thousands of miles of installed fiber-optic cable in the United States that are not being used.

Questão 34

Questão
In the United States, there are two main types of cellular networks, CDMA and:
Responda
  • GSM
  • Bluetooth.
  • wireless.
  • WiMAX.

Questão 35

Questão
Which of the following is the "killer app" of 2012?
Responda
  • social networks
  • blogs
  • tablet PCs
  • search engines

Questão 36

Questão
The major technologies used with wireless local area networks are:
Responda
  • Wi-Fi and Bluetooth.
  • Wi-Fi and WiMAX.
  • Bluetooth and 3G.
  • WiMAX and 3G.

Questão 37

Questão
Which of the following is a short-range, low-power, wireless network technology useful for remotely controlling industrial, medical, and home automation devices?
Responda
  • Wi-Fi
  • WiMAX
  • UWB
  • ZigBee

Questão 38

Questão
Which of the following is a high-speed, medium-range, broadband wireless metropolitan area network?
Responda
  • Wi-Fi
  • WiMAX
  • Bluetooth
  • ZigBee

Questão 39

Questão
Siri is a type of:
Responda
  • intelligent personal assistant.
  • widget.
  • gadget.
  • social network.

Questão 40

Questão
The first Web browser to make it possible to view documents on the Web with colored background, images, and animations was:
Responda
  • Netscape Navigator.
  • Mosaic.
  • Mozilla.
  • Internet Explorer.

Questão 41

Questão
In the address http://www.company.com/clients.html, which of the following is the top-level domain?
Responda
  • .com
  • company.com
  • www
  • http

Questão 42

Questão
You could expect to find all of the following services in a Web server software package except:
Responda
  • security services.
  • FTP.
  • data capture.
  • an RSS aggregator.

Questão 43

Questão
Which of the following is currently the most popular Web browser?
Responda
  • Internet Explorer
  • Netscape
  • Safari
  • Firefox

Questão 44

Questão
The concept behind document formatting had its roots in which of the following?
Responda
  • XML
  • SGML
  • HTML
  • GML

Questão 45

Questão
Which of the following is a Web application that enables Internet users to communicate with each other, although not in real time?
Responda
  • online chat
  • online forum
  • IM
  • VoIP

Questão 46

Questão
Which of the following is a Web 2.0 service or application?
Responda
  • wikis
  • e-mail
  • IM
  • online forums

Questão 47

Questão
A(n) ________ is a Web application that allows users to easily add and edit content on a Web page.
Responda
  • wiki
  • podcast
  • blog
  • RSS feed

Questão 48

Questão
The protocol that enables the transmission of voice and other forms of audio communication over the Internet is called:
Responda
  • VoIP.
  • IPTP.
  • VTP.
  • IP.

Questão 49

Questão
Which of the following was the largest source of mobile commerce revenue in 2012?
Responda
  • mobile advertising
  • location-based services
  • e-book sales
  • mobile retail purchases

Questão 50

Questão
All of the following are true about iPhone apps except:
Responda
  • They are distributed through Apple's App Store.
  • They are typically written in the Java programming language.
  • They were estimated to generate over $2 billion in 2012.
  • More than 30 billion have been downloaded.

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