CH3 4278 MC

24) Which of the following is not a concern about IoT? A) the high cost of sensors B) interoperability C) security D) privacy

A

31) Which of the following protocols is used to send mail to a server? A) IMAP B) FTP C) HTTP D) SSL

A

33) Which of the following statements about cloud computing is not true? A) A private cloud typically has multiple tenants. B) Public clouds are the most well-known type of cloud computing model. C) Hybrid clouds offer both public and private cloud options. D) A private cloud may be located either on a customer's premises or off the premises.

A

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

A

45) The ________ helps define the overall structure of the Internet. A) IAB B) IESG C) W3C D) ITU

A

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) Over a third of the world's cell phones are smartphones. D) Unlike PCs, smartphones do not need fans.

A

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.

A

54) Siri is a type of: A) intelligent personal assistant. B) widget. C) gadget. D) social network.

A

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

A

58) Which of the following is currently the most popular Web browser? A) Internet Explorer B) Safari C) Chrome D) Firefox

A

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

A

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.

A

42) Which source of e-commerce revenues has grown from nearly zero prior to 2007 to an estimated $84 billion in 2014? A) B2G e-commerce B) mobile B2C e-commerce C) B2B e-commerce D) social e-commerce

B

43) What type of Internet access technology are Google and Facebook hoping to use to provide Internet access to remote parts of the world? A) Bluetooth B) drones C) WLANs D) DSL

B

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

B

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.

B

60) Which of the following is a Web application that enables Internet users to communicate with each other, although not in real time? A) mobile messaging B) online forum C) SMS messaging D) VoIP

B

65) All of the following are true about iPhone apps except: A) They are distributed through Apple's App Store. B) They are cross-platform, open-source applications. C) Over 75 billion have been downloaded. D) Apple's goal of offering apps is to increase sales of iPhones, iPads, and iPods.

B

18) During which phase of the development of the Internet was the personal computer invented? A) Commercialization phase B) Institutional phase C) Innovation phase D) Consolidation phase

B

19) Which of the following is not one of the basic technological foundations of the Internet? A) client/server computing B) FTP C) TCP/IP D) packet switching

B

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

B

27) The address used by a browser to identify the location of content on the Web is called: A) a domain name. B) a uniform resource locator. C) an IP address. D) a file path.

B

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.

B

32) Where does TLS 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

B

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

B

36) How long does it take for 300,000 X-rays to be transmitted on a 100-gbps network? A) 10 seconds B) 1 minute C) 10 minutes D) 1 hour

B

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.

B

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).

B

16) During which period of time did the Institutionalization phase of Internet development take place? A) 1950-1960 B) 1961-1974 C) 1975-1995 D) 1995-through the present

C

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.

C

21) Which of the following is the core communications protocol for the Internet? A) Telnet B) FTP C) TCP/IP D) TLS

C

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

C

26) The ________ allows a natural language expression, such as Google.com to represent a numeric IP address. A) uniform resource locator system B) Internet protocol addressing schema C) domain name system D) assigned numbers and names (ANN) system

C

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

C

48) Which of the following statements about fiber-optic cable is not true? A) It transmit more data at faster speeds than coaxial or twisted pair cable. B) It is thinner and lighter than coaxial or twisted pair cable. C) It enables better data security than coaxial cable. D) Telecommunications firms have made substantial investments in cross-country fiber optic systems in the last decade.

C

52) Internet traffic is predicted to do which of the following over the next 5 years? A) decrease B) double C) triple D) quadruple

C

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) Mosaic was invented. C) The Domain Name System was introduced. D) NSF privatized the operation of the Internet's backbone.

D

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.

D

28) Which of the following organizations coordinates the Internet's systems of unique identifiers, such as IP addresses and top-level domain systems? A) IETF B) IAB C) W3C D) ICANN

D

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

D

38) The Web runs 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

D

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.

D

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)

D

46) Which of the following is not a limitation of the current Internet? A) the continued reliance on cables and wires for connectivity 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

D

49) Which of the following organizations involved with Internet governance has the United States recently announced it would transition control of? A) ICANN B) IGF C) NTIA D) IANA

D

50) Which of the following technologies has enabled the Internet to grow exponentially to support millions of users, without overloading the network architecture? A) fiber optics B) Wi-Fi C) IPv6 D) client/server networking

D

57) You could expect to find all of the following services in a Web server software package except: A) security services. B) FTP. C) search engine. D) an RSS aggregator.

D

59) The concept behind document formatting had its roots in which of the following? A) XML B) SGML C) HTML D) GML

D

61) Which of the following is not a mobile messaging application? A) Facebook Messenger B) WhatsApp C) Viber D) Cortana

D

64) All of the following are characteristics of HTML5 except: A) a video element that replaces plug-ins such as Flash, QuickTime, and RealPlayer. B) use of CSS3. C) ability to access built-in functionality of mobile devices, such as GPS and swiping. D) support for digital rights management.

D