Sergio López
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E-Commerce Quiz Chapter 3 - Multiple Choice

Questão 1 de 50

1

During which period of time did the Institutionalization phase of Internet development take place?

Selecione uma das seguintes:

  • 1950-1960

  • 1961-1974

  • 1975-1995

  • 1995-through the present

Explicação

Questão 2 de 50

1

Which of the following occurred during the Commercialization phase of Internet development?

Selecione uma das seguintes:

  • 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.

Explicação

Questão 3 de 50

1

During which phase of the development of the Internet was Ethernet invented?

Selecione uma das seguintes:

  • Commercialization phase

  • Institutional phase

  • Innovation phase

  • Consolidation phase

Explicação

Questão 4 de 50

1

Which of the following is not one of the basic technological foundations of the Internet?

Selecione uma das seguintes:

  • client/server computing

  • Tracert

  • TCP/IP communications protocol

  • packet-switching hardware

Explicação

Questão 5 de 50

1

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:

Selecione uma das seguintes:

  • routing.

  • the Transmission Control Protocol.

  • packet switching.

  • the File Transfer Protocol.

Explicação

Questão 6 de 50

1

Which of the following is the core communications protocol for the Internet?

Selecione uma das seguintes:

  • Telnet

  • FTP

  • TCP/IP

  • SSL

Explicação

Questão 7 de 50

1

The Transport Layer of TCP/IP is responsible for which of the following?

Selecione uma das seguintes:

  • 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

Explicação

Questão 8 de 50

1

The Internet Layer of TCP/IP is responsible for which of the following?

Selecione uma das seguintes:

  • 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

Explicação

Questão 9 de 50

1

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?

Selecione uma das seguintes:

  • telepresence

  • videoconferencing

  • VOIP

  • IP telephony

Explicação

Questão 10 de 50

1

An IPv4 address is expressed as a:

Selecione uma das seguintes:

  • 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.

Explicação

Questão 11 de 50

1

The natural language convention used to represent IP addresses is called the:

Selecione uma das seguintes:

  • uniform resource locator system.

  • Internet protocol addressing schema.

  • domain name system.

  • assigned numbers and names (ANN) system.

Explicação

Questão 12 de 50

1

The addresses used by browsers to identify the location of content on the Web are called:

Selecione uma das seguintes:

  • domain names.

  • uniform resource locators.

  • IP addresses.

  • file paths.

Explicação

Questão 13 de 50

1

Which of the following statements about client/server computing is true?

Selecione uma das seguintes:

  • 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.

Explicação

Questão 14 de 50

1

Which of the following is not an advantage of client/server computing over centralized mainframe computing?

Selecione uma das seguintes:

  • 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.

Explicação

Questão 15 de 50

1

________ 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.

Selecione uma das seguintes:

  • Client/server computing

  • P2P computing

  • Mobile computing

  • Cloud computing

Explicação

Questão 16 de 50

1

Which of the following protocols is used to send mail to a server?

Selecione uma das seguintes:

  • SMTP

  • FTP

  • HTTP

  • SSL

Explicação

Questão 17 de 50

1

Where does TSL operate within TCP/IP?

Selecione uma das seguintes:

  • 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

Explicação

Questão 18 de 50

1

A(n) ________ is an audio presentation stored as an audio file and posted to the Web for users to download.

Selecione uma das seguintes:

  • podcast

  • RSS subscription

  • weblog

  • widget

Explicação

Questão 19 de 50

1

________ is one of the original Internet services and is used to transfer files from a server computer to a client computer and vice versa.

Selecione uma das seguintes:

  • SMTP

  • FTP

  • HTTP

  • SSL

Explicação

Questão 20 de 50

1

________ is a utility program that allows you to check the connection between your client and a TCP/IP network.

Selecione uma das seguintes:

  • Ping

  • Telnet

  • Tracert

  • Finger

Explicação

Questão 21 de 50

1

Which layer of Internet architecture is composed of the telecommunications networks and protocols?

Selecione uma das seguintes:

  • Network Technology Substrate layer

  • Middleware Services layer

  • Transport Services and Representation Standards layer

  • Applications layer

Explicação

Questão 22 de 50

1

TCP/IP operates in which layer of Internet architecture?

Selecione uma das seguintes:

  • Network Technology Substrate layer

  • Middleware Services layer

  • Transport Services and Representation Standards layer

  • Applications layer

Explicação

Questão 23 de 50

1

An Internet-enabled media player would run in which layer of Internet architecture?

Selecione uma das seguintes:

  • Network Technology Substrate layer

  • Middleware Services layer

  • Transport Services and Representation Standards layer

  • Applications layer

Explicação

Questão 24 de 50

1

The layer of Internet architecture that ties the applications to the communications network and includes such services as security and authentication is called the:

Selecione uma das seguintes:

  • Network Technology Substrate layer.

  • Middleware Services layer.

  • Transport Services and Representation Standards layer.

  • Applications layer.

Explicação

Questão 25 de 50

1

The backbone of the Internet is formed by:

Selecione uma das seguintes:

  • Internet Exchange Points (IXPs).

  • ) Network Service Providers (NSPs).

  • Internet Service Providers (ISPs).

  • Metropolitan Area Exchanges (MAEs).

Explicação

Questão 26 de 50

1

When talking about the physical elements of the Internet, the term redundancy refers to:

Selecione uma das seguintes:

  • 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.

Explicação

Questão 27 de 50

1

The "hubs" where the backbone owners connect with one another are called:

Selecione uma das seguintes:

  • Internet Exchange Points (IXPs).

  • Network Service Providers (NSPs).

  • Internet Service Providers (ISPs).

  • Metropolitan Access Points (MAPs).

Explicação

Questão 28 de 50

1

Local area networks that operate within a single organization that leases access to the Web directly from regional and national carriers are called:

Selecione uma das seguintes:

  • wide area networks.

  • extranets.

  • campus area networks.

  • private exchanges.

Explicação

Questão 29 de 50

1

The ________ is a consortium of corporations, government agencies, and nonprofit organizations that monitors Internet policies and practices.

Selecione uma das seguintes:

  • Internet Engineering Steering Group (IESG)

  • World Wide Web Consortium (W3C)

  • Internet Engineering Task Force (IETF)

  • Internet Society (ISOC)

Explicação

Questão 30 de 50

1

The ________ helps define the overall structure of the Internet.

Selecione uma das seguintes:

  • IAB

  • IESG

  • W3C

  • ITU

Explicação

Questão 31 de 50

1

Which of the following is not a limitation of the current Internet?

Selecione uma das seguintes:

  • 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

Explicação

Questão 32 de 50

1

Which of the following is not true about the mobile platform?

Selecione uma das seguintes:

  • 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.

Explicação

Questão 33 de 50

1

Which of the following statements about fiber-optic cable is not true?

Selecione uma das seguintes:

  • 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.

Explicação

Questão 34 de 50

1

In the United States, there are two main types of cellular networks, CDMA and:

Selecione uma das seguintes:

  • GSM

  • Bluetooth.

  • wireless.

  • WiMAX.

Explicação

Questão 35 de 50

1

Which of the following is the "killer app" of 2012?

Selecione uma das seguintes:

  • social networks

  • blogs

  • tablet PCs

  • search engines

Explicação

Questão 36 de 50

1

The major technologies used with wireless local area networks are:

Selecione uma das seguintes:

  • Wi-Fi and Bluetooth.

  • Wi-Fi and WiMAX.

  • Bluetooth and 3G.

  • WiMAX and 3G.

Explicação

Questão 37 de 50

1

Which of the following is a short-range, low-power, wireless network technology useful for remotely controlling industrial, medical, and home automation devices?

Selecione uma das seguintes:

  • Wi-Fi

  • WiMAX

  • UWB

  • ZigBee

Explicação

Questão 38 de 50

1

Which of the following is a high-speed, medium-range, broadband wireless metropolitan area network?

Selecione uma das seguintes:

  • Wi-Fi

  • WiMAX

  • Bluetooth

  • ZigBee

Explicação

Questão 39 de 50

1

Siri is a type of:

Selecione uma das seguintes:

  • intelligent personal assistant.

  • widget.

  • gadget.

  • social network.

Explicação

Questão 40 de 50

1

The first Web browser to make it possible to view documents on the Web with colored background, images, and animations was:

Selecione uma das seguintes:

  • Netscape Navigator.

  • Mosaic.

  • Mozilla.

  • Internet Explorer.

Explicação

Questão 41 de 50

1

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

Selecione uma das seguintes:

  • .com

  • company.com

  • www

  • http

Explicação

Questão 42 de 50

1

You could expect to find all of the following services in a Web server software package except:

Selecione uma das seguintes:

  • security services.

  • FTP.

  • data capture.

  • an RSS aggregator.

Explicação

Questão 43 de 50

1

Which of the following is currently the most popular Web browser?

Selecione uma das seguintes:

  • Internet Explorer

  • Netscape

  • Safari

  • Firefox

Explicação

Questão 44 de 50

1

The concept behind document formatting had its roots in which of the following?

Selecione uma das seguintes:

  • XML

  • SGML

  • HTML

  • GML

Explicação

Questão 45 de 50

1

Which of the following is a Web application that enables Internet users to communicate with each other, although not in real time?

Selecione uma das seguintes:

  • online chat

  • online forum

  • IM

  • VoIP

Explicação

Questão 46 de 50

1

Which of the following is a Web 2.0 service or application?

Selecione uma das seguintes:

  • wikis

  • e-mail

  • IM

  • online forums

Explicação

Questão 47 de 50

1

A(n) ________ is a Web application that allows users to easily add and edit content on a Web page.

Selecione uma das seguintes:

  • wiki

  • podcast

  • blog

  • RSS feed

Explicação

Questão 48 de 50

1

The protocol that enables the transmission of voice and other forms of audio communication over the Internet is called:

Selecione uma das seguintes:

  • VoIP.

  • IPTP.

  • VTP.

  • IP.

Explicação

Questão 49 de 50

1

Which of the following was the largest source of mobile commerce revenue in 2012?

Selecione uma das seguintes:

  • mobile advertising

  • location-based services

  • e-book sales

  • mobile retail purchases

Explicação

Questão 50 de 50

1

All of the following are true about iPhone apps except:

Selecione uma das seguintes:

  • 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.

Explicação