CHP7

25) Which of the following is a device that makes possible the translation of digital signals to analog sound signals used by a computer network? A) Local area network B) Modem C) DSL D) Twisted wire E) TCP/IP

B

44) The domain .gov is a(n): A) Internet root domain. B) top-level domain. C) host domain. D) network domain. E) third level domain.

B

45) In the domain name "http://books.pearson.com", which element is the second-level domain? A) books B) pearson.com C) com D) none; there is no second-level domain in this name E) books.pearson

B

47) IPv6 has been 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.

B

52) Web browser software requests web pages from the Internet using which of the following protocols? A) URL B) HTTP C) DNS D) HTML E) FTP

B

7) Which of the following is the best description of a protocol in a telecommunications network architecture? 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

B

92) Based on your reading of the examples in the chapter, which of the following would be the best use of RFID for a business? A) Logging transactions B) Managing the supply chain C) Lowering network costs D) Enabling client communication E) Improving employee engagement

B

55) Which of the following pulls content from websites and feeds it automatically to users' computers? A) FTP B) RSS C) HTTP D) Bluetooth E) IPv6

B (RSS- Really Simple Syndication: called RDF site summary or rich site summary, format used to provide subscribers with new content from frequently updated websites)

95) Mobile is the leading digital platform, with total activity on smartphones and tablets accounting for two-thirds of digital media time spent.

T

96) Apple Pay uses an RFID-related technology called near field communication.

T

18) Two computers using TCP/IP can communicate even if they are based on different hardware and software platforms.

T

19) In a large company today, you will often find an infrastructure that includes a large number of small LANs linked to each other as well as to corporate-wide networks.

T

20) The Internet is the largest implementation of client/server computing.

T

34) Coaxial cable is similar to that used for cable television and consists of thickly insulated copper wire.

T

35) Fiber-optic cable is more expensive and harder to install than other physical transmission media.

T

36) The Internet is the most universal and powerful WAN.

T

66) More than 80 percent of mobile minutes in the United States are generated through apps.

T

67) Wikis allow visitors to change or add to the original posted material.

T

68) SaaS business models are one of the trends leading toward a future web.

T

29) A network that spans a college or corporate facility is called a: A) CAN. B) MAN. C) LAN. D) WAN. E) WSN.

A

72) DNS has a hierarchical structure. (Domain Name System)

T

40) Which of the following is not one of the top five search engines? A) Facebook B) Yahoo C) Microsoft Bing D) Baidu E) Google

A

73) In addition to being an online retailer, Amazon is also a powerful product search engine.

T

74) The Internet of Things is based on billions of Internet-connected sensors throughout the physical world.

T

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.

A

41) 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.

A

49) Instant messaging is a type of ________ service. A) chat B) cellular C) email D) wireless E) network

A

51) A VPN: A) is an encrypted private network configured within a public network. B) is more expensive than a dedicated network. C) provides secure, encrypted communications using Telnet. D) is an Internet-based service for delivering voice communications. E) is a proprietary networking service technology developed by individual corporations.

A

53) Together, a protocol prefix, a domain name, a directory path, and a document name, are called a(n): A) uniform resource locator. B) IP address. C) third-level domain. D) root domain. E) child domain.

A

58) Which process is used to protect transmitted data in a VPN? A) Tunneling B) PPP C) VOIP D) Packet-switching E) Chaining

A

6) In TCP/IP, IP is responsible for which of the following? A) Disassembling and reassembling 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

A

61) Which one of the following statements is not true? A) The Internet backbone is owned entirely by the federal government in the United States. B) ICANN manages the domain name system. C) The IAB establishes the overall structure of the Internet. D) The Internet must conform to laws of the nation-states in which it operates. E) W3C determines programming standards for the Internet.

A

64) A(n) ________ is software for locating and managing stored web pages. A) web server B) net server C) router D) modem E) hub

A

81) All of the following are physical components of an RFID system except: A) bar codes. B) antennas. C) radio transmitters. D) tags. E) readers.

A

82) Which digital cellular standard is used widely throughout the world except the United States? A) GSM B) CDMA C) WLAN D) LTD E) 4G

A

83) Which of the following is the popular name for the 802.15 wireless networking standard? A) Bluetooth B) WiMax C) WLAN. D) Wi-Fi E) RFID

A

85) Wireless sensor networks (WSNs) are used for the following tasks except: A) processing consumer transactions. B) monitoring traffic. C) detecting radioactive materials. D) protecting property. E) identifying vehicles for trucking firms.

A

9) Each computer on a network must contain which of the following? A) network interface device B) switch C) router D) hub E) SDN

A

1) Which of the following is a device that sends packets of data through different networks ensuring they go to the correct address? A) Hub B) Switch C) Router D) NIC E) Modem

C

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) Email, instant messaging, and newsgroups

C

28) Which type of network would be most appropriate for a business comprised of 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

C

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.

C

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.

C

60) Which of the following is an open source blogging tool and content management system? A) Twitter B) RSS C) WordPress D) Wikipedia E) Baidu

C

65) The NHL Puck and Player Tracking system described in the chapter opening case is an example of which of the following? A) Visual web application B) 3D web application C) IoT application D) Intelligent agent software E) App Internet

C

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

C

88) Bluetooth can be used to link up to ________ devices within a 10-meter area using low-power, radio-based communication. A) two B) five C) eight D) fifteen E) twenty

C

90) The 802.11 set of standards is known as: A) RFID. B) WSN. C) Wi-Fi. D) WiMax. E) WAN.

C

91) The WiMax standard can transmit up to a distance of approximately: A) 30 meters. B) 500 meters. C) 30 miles. D) 5 miles. E) 70 miles.

C

94) A(n) ________ is a box consisting of a radio receiver/transmitter and antennas that links to a wired network, router, or hub. A) RFID receiver B) WiMax receiver C) access point D) hub E) PAN receiver

C

87) Which of the following statements about 5G is true? A) 5G is based on the GSM standard. B) 5G's top data transmission rate is in the megabyte range. C) 5G will be able to transmit data in the gigabit range. D) 5G will have longer transmission delays. E) 5G networks have not yet been launched by Internet network providers.

C (5G will be able to transmit data in the gigabit range.)

46) Which organization manages the domain name system of the Internet? A) None (no one "owns" the Internet) B) W3C C) ICANN D) The Department of Commerce (U.S.) E) IAB

C (ICANN: Internet Corporation For Assigned Names and Numbers)

10) Client/server computing is a: A) network that connects sensors to desktop computers. B) network where centralized mainframe computers serve local devices. C) centralized model of computing for large corporations. D) distributed computing model where clients are linked to one another through a network that is controlled by a network server computer. E) centralized computing model where local computers are connected to one another by a network.

D

26) Which type of network is used to connect digital devices within a city or metropolitan area? A) Wi-Fi B) LAN C) WAN D) MAN E) SAN

D

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) metropolitan area network.

D

4) The traditional telephone system is an example of a ________ network. A) peer-to-peer B) wireless C) packet-switched D) circuit-switched E) client/server

D

57) Which of the following statements is not true about search engines? A) They are arguably the "killer app" of the Internet era. B) They attempt to solve the problem of finding useful information on the web nearly instantly. C) They have become major advertising platforms and shopping tools. D) There are hundreds of search engines vying for user attention, with no clear leader having yet emerged. E) Users are increasingly using search engines on mobile devices.

D

62) A(n) ________ is a commercial organization with a permanent connection to the Internet that sells temporary connections to retail subscribers. A) RSS B) WAN C) NFP D) ISP E) FTP

D

84) Which of the following statements about RFID is not true? A) RFIDs transmit only over a short range. B) RFIDs use an antenna to transmit data. C) Microchips embedded in RFIDs are used to store data. D) RFIDs require line-of-sight contact to be read. E) RFID tags and antennas come in a variety of shapes and sizes.

D

56) Which of the following can be used to help a website achieve a higher ranking with the major search engines? A) VPN B) shopping bots C) SEM D) SEO E) RSS

D SEO- Search Engine Optimization

24) Which signal types are represented by a continuous waveform? A) Laser B) Optical C) Digital D) RFID E) Analog

E

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

E

33) A(n) ________ signal is a discrete, binary waveform that transmits data coded into two discrete states: 1-bits and 0-bits. A) modulated B) broadband C) T1 D) analog E) digital

E

42) T1 and T3 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.

E

43) What service converts natural language names to IP addresses? A) HTML B) FTP C) IP D) HTTP E) DNS

E

48) 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.

E

54) Which of the following Internet services enables logging on to one computer system and doing work on another? A) Email B) FTP C) Newsgroups D) Instant messaging E) Telnet

E

59) ________ monetizes the value of the data stored by search engines. A) TCP/IP B) RSS C) WiMax D) IoT E) SEM

E

63) Companies that own Internet backbone networks are called: A) regional network providers. B) enhanced service providers. C) internet bulk providers. D) backbone providers. E) network service providers.

E

86) 4G networks use which of the following standards? A) GSM and LTD B) CDMA and PAN C) LTE and LTD D) T-Mobile and AT&T E) LTE and WiMax

E

89) Which of the following technologies is used to reduce Wi-Fi network interference from nearby systems in the same spectrum? A) RFID B) Hotspots C) Bluetooth D) WiMax E) MIMO

E

93) Which of the following technologies does Walmart use to track items for sale on store shelves? A) Web 3.0 B) CDMA C) BLE D) GPS E) RFID

E

3) Which of the following involves slicing digital messages into parcels, transmitting them along different communication paths, and reassembling them at their destinations? A) Multiplexing B) Packet shifting C) Packet routing D) ATM E) Packet switching

E (Packet switching, reassembling<--> switching)

50) ________ integrate disparate channels for voice communications, data communications, instant messaging, email, and electronic conferencing into a single experience. A) Wireless networks B) Intranets C) Virtual private networks D) Modems E) Unified communications

E (UNIFIED communications)

11) Computer networks are based on the same principles as traditional telephone networks.

F

12) A NOS must reside on all the local computers in a network.

F

14) In a client/server network, the client sets the rules of communication for the network.

F

15) A computer network consists of at least three computers.

F

17) Computer networks that use packet switching are less efficient than telephone networks that use circuit switching.

F

69) VoIP technology delivers voice information in digital form using circuit switching.

F

70) Mobile search makes up less than 50% of all Internet searches.

F

71) SEM saves consumers cognitive energy and increases search costs.

F

97) NFC tags are always passive.

F

13) A hub is a networking device that sends packets of data to all other devices on the network.

T

16) Client/server computing has largely replaced centralized mainframe computing.

T