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Homework answers / question archive / Saudi Electronic University ECOM 101 E-commerce 2013, 9e Chapter 3 E-commerce Infrastructure: The Internet, Web, and Mobile Platform   1)            Packet switching requires a dedicated circuit

Saudi Electronic University ECOM 101 E-commerce 2013, 9e Chapter 3 E-commerce Infrastructure: The Internet, Web, and Mobile Platform   1)            Packet switching requires a dedicated circuit

Business

Saudi Electronic University

ECOM 101

E-commerce 2013, 9e

Chapter 3 E-commerce Infrastructure: The Internet, Web, and Mobile Platform

 

1)            Packet switching requires a dedicated circuit.

 

 

2)            Transmission Control Protocol is the protocol that provides the Internet addressing scheme.

 

 

3)            IPv6 provides for 64-bit IP addresses.

 

 

4)            Tablet computers rely on the Internet cloud for processing and storage.

 

 

5)            Google Apps is an example of cloud computing.

 

 

6)            HTML is the Internet protocol used to transfer Web pages.

 

 

7)            The major hubs in the United States where the Internet backbone intersects with regional and local networks are now commonly referred to as Internet Exchange Points (IXPs).

 

 

 

8)            T1 and T3 refer to international telephone standards for digital communication.

 

9)            One of Internet2's projects is a nationwide 100 gigabit-per-second network.

 

 

10)          WLAN-based Internet access derives from the same technological foundations as telephone- based wireless Internet access.

 

 

 

11)          Streaming media reduces the effects of latency.

 

 

12)          XML is used to format the structure and style of a Web page.

 

 

13)          FTP is a protocol used to transfer files to and from a server.

 

14)          Internet access providers typically provide faster download speeds than upload speeds to consumers.

 

 

 

15)          RSS is an XML format that allows users to have digital content automatically sent to their computers over the Internet.

 

 

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

A) 1950-1960

B) 1961-1974

C) 1975-1995

A)           1995-through the present

 

 

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

A)           The fundamental building blocks of the Internet were realized in actual hardware and software.

B)            Large mainframes on different college campuses were linked.

C)            The Domain Name System was introduced.

D)           NSF privatized the operation of the Internet's backbone.

 

 

 

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

A)           Commercialization phase

B)            Institutional phase C) Innovation phase

D) Consolidation phase

 

 

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

A)           client/server computing B) Tracert

C)            TCP/IP communications protocol

D)           packet-switching hardware

 

 

20)          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:

A)           routing.

B)            the Transmission Control Protocol. C) packet switching.

D) the File Transfer Protocol.

 

 

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

A)           Telnet

B)            FTP C) TCP/IP

D) SSL

 

 

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

A)           placing packets on and receiving them from the network medium

B)            addressing, packaging, and routing messages

C)            providing communication with the application by acknowledging and sequencing the packets to and from the application

D)           providing a variety of applications with the ability to access the services of the lower layers

 

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

A)           placing packets on and receiving them from the network medium B) addressing, packaging, and routing messages

C)            providing communication with the application by acknowledging and sequencing the packets to and from the application

D)           providing a variety of applications with the ability to access the services of the lower layers

 

 

24)          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?

A)           telepresence

B)            videoconferencing

C)            VOIP

D)           IP telephony

 

 

25)          An IPv4 address is expressed as a:

A)           32-bit number that appears as a series of four separate numbers separated by semicolons.

B)            64-bit number that appears as a series of four separate numbers separated by semicolons.

C)            64-bit number that appears as a series of four separate numbers separated by periods. D) 32-bit number that appears as a series of four separate numbers separated by periods.

 

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

A)           uniform resource locator system.

B)            Internet protocol addressing schema. C) domain name system.

D) assigned numbers and names (ANN) system.

 

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

A)           domain names.

B)            uniform resource locators.

C)            IP addresses.

D)           file paths.

 

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

A)           It exploded the available communications capacity.

B)            It provided communication rules and regulations.

C)            It connects multiple powerful personal computers together in one network with one or more servers dedicated to common functions that they all need.

D)           It does not provide sufficient computing capacity to support graphics or color.

 

 

 

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

A)           It is easy to expand capacity by adding servers and clients.

B)            Each client added to the network increases the network's overall capacity and transmission speeds.

C)            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.

D)           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.

 

 

 

30)                         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.

A)           Client/server computing

B)            P2P computing

C)            Mobile computing D) Cloud computing

 

31)          Which of the following protocols is used to send mail to a server? A) SMTP

B)            FTP

C)            HTTP

D)           SSL

 

 

32)          Where does TSL operate within TCP/IP?

A)           between the Internet Layer and the Transport Layer

B)            between the Transport Layer and the Application Layer

C)            between the Network Interface Layer and the Transport Layer

D)           between the Internet Layer and the Application Layer

 

 

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

A)           podcast

B)            RSS subscription

C)            weblog

D)           widget

 

 

 

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

A)           SMTP B) FTP

C)            HTTP

D)           SSL

 

 

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

A)           Ping

B)            Telnet

C)            Tracert

D)           Finger

 

 

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

A)           Network Technology Substrate layer

B)            Middleware Services layer

C)            Transport Services and Representation Standards layer

D)           Applications layer

 

 

37)          TCP/IP operates in which layer of Internet architecture?

A)           Network Technology Substrate layer

B)            Middleware Services layer

C)            Transport Services and Representation Standards layer

D)           Applications layer

 

 

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

A)           Network Technology Substrate layer

B)            Middleware Services layer

C)            Transport Services and Representation Standards layer D) Applications layer

 

 

 

 

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

A)           Network Technology Substrate layer. B) Middleware Services layer.

C)            Transport Services and Representation Standards layer.

D)           Applications layer.

 

 

40)          The backbone of the Internet is formed by:

A)           Internet Exchange Points (IXPs). B) Network Service Providers (NSPs).

C)            Internet Service Providers (ISPs).

D)           Metropolitan Area Exchanges (MAEs).

 

 

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

A)           transmitting multiple copies of a single packet to safeguard against data loss.

B)            the use of tiered high-speed switching computers to connect the backbone to regional and local networks.

C)            delays in messages caused by the uneven flow of information through the network. D) multiple duplicate devices and paths in a network built so that data can be rerouted if a breakdown occurs.

 

 

 

42)          The "hubs" where the backbone owners connect with one another are called: A) Internet Exchange Points (IXPs).

B)            Network Service Providers (NSPs).

C)            Internet Service Providers (ISPs).

D)           Metropolitan Access Points (MAPs).

 

 

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

A)           wide area networks.

B)            extranets.

C)            campus area networks.

D)           private exchanges.

 

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

A)           Internet Engineering Steering Group (IESG)

B)            World Wide Web Consortium (W3C)

C)            Internet Engineering Task Force (IETF) D) Internet Society (ISOC)

 

 

 

45)          The        helps define the overall structure of the Internet. A) IAB

B)            IESG

C)            W3C

D)           ITU

 

 

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

A)           HTML, which is not proficient for designing business documents or databases for Web viewing

B)            limited bandwidth, which causes congestion and cannot adequately handle video and voice traffic

C)            architectural restrictions, which stipulate that numerous requests for the same file must each be answered individually, slowing network performance

D)           the difficulty in expanding capacity by adding servers and clients

 

 

47)          Which of the following is not true about the mobile platform? A) Most smartphones use Intel chips.

B)            The number of cell phones worldwide exceeds the number of PCs.

C)            About 25% of the world's cell phones are smartphones.

D)           Unlike PCs, smartphones do not need fans.

 

 

48)          Which of the following statements about fiber-optic cable is not true? A) It consists of twelve or sixteen strands of glass.

B)            It is thinner and lighter than coaxial or twisted pair cable.

C)            It enables better data security than coaxial cable.

D)           There are thousands of miles of installed fiber-optic cable in the United States that are not being used.

 

 

49)          In the United States, there are two main types of cellular networks, CDMA and: A) GSM.

B)            Bluetooth.

C)            wireless.

D)           WiMAX.

 

 

50)          Which of the following is the "killer app" of 2012? A) social networks

B)            blogs

C)            tablet PCs

D)           search engines

 

 

51)          The major technologies used with wireless local area networks are: A) Wi-Fi and Bluetooth.

B)            Wi-Fi and WiMAX.

C)            Bluetooth and 3G.

D)           WiMAX and 3G.

 

 

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

A)           Wi-Fi

B)            WiMAX

C)            UWB D) ZigBee

 

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

A)           Wi-Fi B) WiMAX

C)            Bluetooth

D)           ZigBee

 

54)          Siri is a type of:

A)           intelligent personal assistant.

B)            widget.

C)            gadget.

D)           social network.

 

 

 

 

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

A)           Netscape Navigator. B) Mosaic.

C)            Mozilla.

D)           Internet Explorer.

 

 

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

A)           .com

B)            company.com

C)            www

D)           http

 

 

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

except:

A)           security services.

B)            FTP.

C)            data capture.

D)           an RSS aggregator.

 

 

58)          Which of the following is currently the most popular Web browser? A) Internet Explorer

B)            Netscape

C)            Safari

D)           Firefox

 

 

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

A)           XML

B)            SGML

C)            HTML D) GML

 

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

A)           online chat B) online forum

C)            IM

D)           VoIP

 

61)          Which of the following is a Web 2.0 service or application? A) wikis

B)            e-mail

C)            IM

D)           online forums

 

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

A)           wiki

B)            podcast

C)            blog

D)           RSS feed

 

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

A)           VoIP.

B)            IPTP.

C)            VTP.

D)           IP.

 

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

A)           mobile advertising

B)            location-based services

C)            e-book sales

D)           mobile retail purchases

 

65)          All of the following are true about iPhone apps except:

A)           They are distributed through Apple's App Store.

B)            They are typically written in the Java programming language.

C)            They were estimated to generate over $2 billion in 2012.

D)           More than 30 billion have been downloaded.

 

 

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