IS Mgmt Chapter 7

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  1. Telephone networks are fundamentally different from computer networks
    T
  2. Increasingly, voice, video, and data communications are all based on Internet technology
    T
  3. To create a computer network, you must have at least two computers.
    T
  4. An NOS must reside on a dedicated server computer in order to manage a network.
    F
  5. A hub is a networking device that connects network components and is used to filter and forward data to specified destinations on the network
    F
  6. In a client/server network, a network server provides every connected client with an address so it can be found by others on the network
    T
  7. Central large mainframe computing has largely replaced client/server computing.
    F
  8. Circuit switching makes much more efficient use of the communications capacity of a network than does packet switching.
    F
  9. Mobile search makes up approximately 10% of all Internet searches.
    F
  10. Two computers using TCP/IP can communicate even if they are based on different hardware and software platforms.
    T
  11. In blogging, a trackback is a list of entries in other blogs that refer to a post in the first blog.
    T
  12. Coaxial cable is similar to that used for cable television and consists of thickly insulated copper wire.
    T
  13. Fiber-optic cable is more expensive and harder to install than wire media.
    T
  14. The number of cycles per second that can be sent through any telecommunications medium is measured in kilobytes.
    F
  15. The Domain Name System (DNS) converts domain names to IP addresses.
    T
  16. VoIP technology delivers voice information in digital form using packet switching.
    T
  17. Web 3.0 is a collaborative effort to add a layer of meaning to the existing Web in order to reduce the amount of human involvement in searching for and processing Web information.
    T
  18. In a large company today, you will often find an infrastructure that includes hundreds of small LANs linked to each other as well as to corporate-wide networks.
    T
  19. TCP/IP was developed in the 1960s to enable university scientists to transmit data from computer to computer.
    F
  20. RFID technology is being gradually replaced by less costly technologies such as WSNs.
    F
  21. The device that acts as a connection point between computers and can filter and forward data to a specified destination is called a(n):
    switch.
  22. The Internet is based on which three key technologies?
    Client/server computing, packet switching, and the development of communications standards for linking networks and computers
  23. The method of slicing digital messages into parcels, transmitting them along different communication paths, and reassembling them at their destinations is called:
    packet switching.
  24. The telephone system is an example of a ________ network.
    circuit-switched
  25. Which of the following is not a characteristic of packet switching?
    Packet switching requires point-to-point circuits.
  26. In TCP/IP, IP is responsible for:
    disassembling and reassembling of packets during transmission.
  27. In a telecommunications network architecture, a protocol is:
    a standard set of rules and procedures for control of communications in a network.
  28. What are the four layers of the TCP/IP reference model?
    Application, transport, Internet, and network interface
  29. Which signal types are represented by a continuous waveform?
    Analog
  30. To use the analog telephone system for sending digital data, you must also use:
    a modem.
  31. Which type of network is used to connect digital devices within a half-mile or 500-meter radius?
    LAN
  32. Which type of network serves a small group of computers, allowing them to share resources and peripherals without using a dedicated server?
    Peer-to-peer
  33. Which type of network would be most appropriate for a business that comprised three employees and a manager located in the same office space, whose primary need is to share documents?
    Peer-to-peer network
  34. Which of the following is considered by many to be the defining Web 2.0 application?
    Social networking
  35. Which of the following enables multiple users to create and edit Web documents?
    Wiki
  36. The "Internet of Things" refers to:
    a vision of a pervasive Web, in which common objects are connected to and controlled over the Internet.
  37. A network that spans a city, and sometimes its major suburbs as well, is called a:
    MAN.
  38. A network that covers entire geographical regions is most commonly referred to as a(n):
    wide area network.
  39. Which of the following is a challenge posed by Wi-Fi networks?
    Susceptibility to interference from nearby wireless systems
  40. Bandwidth is the:
    difference between the highest and lowest frequencies that can be accommodated on a single channel.
  41. The total amount of digital information that can be transmitted through any telecommunications medium is measured in:
    bps.
  42. Digital subscriber lines:
    operate over existing telephone lines to carry voice, data, and video.
  43. T lines:
    are high-speed, leased data lines providing guaranteed service levels.
  44. Which protocol is the Internet based on?
    TCP/IP
  45. What service converts IP addresses into more recognizable alphanumeric names?
    DNS
  46. The child domain of the root is the:
    top-level domain.
  47. In the domain name "http://myspace.blogging.com", what are the root, top-level, second-level, and third-level domains, respectively?
    ".", com, blogging, myspace
  48. Which organization helps define the overall structure of the Internet?
    IAB
  49. IPv6 is being developed in order to:
    create more IP addresses.
  50. Which of the following services enables logging on to one computer system and working on another?
    Telnet
  51. Instant messaging is a type of ________ service.
    chat
  52. Which of the following statements about RFID is not true?
    RFIDs require line-of-sight contact to be read.
  53. ________ integrate(s) disparate channels for voice communications, data communications, instant messaging, e-mail, and electronic conferencing into a single experience.
    Unified communications
  54. A VPN:
    is an encrypted private network configured within a public network.
  55. Web browser software requests Web pages from the Internet using which protocol?
    HTTP
  56. Together, a protocol prefix, a domain name, a directory path, and a document name, are called a(n):
    uniform resource locator.
  57. The most common Web server today, controlling 65 percent of the market, is:
    Apache HTTP Server.
  58. What technology allows people to have content pulled from Web sites and fed automatically to their computers?
    RSS
  59. The process of employing techniques to help a Web site achieve a higher ranking with the major search engines is called:
    SEO.
  60. Which of the following statements is not true about search engines?
    There are hundreds of search engines vying for user attention, with no clear leader having yet emerged.
  61. Which of the following is an example of the "visual Web"?
    Pinterest
  62. A LAN would be used to connect all of the following except:
    all of the computers in a city.
  63. The most appropriate wireless networking standard for creating PANs is:
    Bluetooth.
  64. Bluetooth can be used to link up to ________ devices within a 10-meter area using low-power, radio-based communication.
    eight
  65. Which process is used to protect transmitted data in a VPN?
    Tunneling
  66. One or more access points positioned on a ceiling, wall, or other strategic spot in a public place to provide maximum wireless coverage for a specific area are referred to as:
    hotspots.
  67. The 802.11 set of standards is known as:
    Wi-Fi.
  68. The WiMax standard can transmit up to a distance of approximately:
    30 miles.
  69. What is the primary difference between 3G and 4G cellular systems?
    4G systems have greater transmission speeds.
  70. Based on your reading of the examples in the chapter, what would be the best use of RFID for a business?
    Managing the supply chain
  71. A ________ is special software that routes and manages communications on the network and coordinates networks resources.
    network operating system/NOS
  72. A router is a device that forwards packets of data through different networks, ensuring that the data gets to the right address.
    T
  73. Prior to the development of ________, computer networks used leased, dedicated telephone circuits to communicate with other computers in remote locations.
    packet switching
  74. An analog signal is a discrete, binary waveform that transmits data coded into two discrete states such as 1-bits and 0-bits.
    F
  75. In Europe, and much of the world, the standard for cellular services is:
    GSM.
  76. Today, most Americans connect to the Internet through broadband connections at speeds up to 15 Mbps.
    T
  77. An ISP is a commercial organization that owns a region of transcontinental high-speed backbone networks carrying the bulk of Internet traffic.
    F
  78. The trunk lines of the Internet are typically owned by network service providers.
    T
  79. A Web server is a dedicated computer that delivers Web pages to client computers.
    F
  80. A(n) ________ is a box consisting of a radio receiver/transmitter and antennas that links to a wired network, router, or hub.
    access point
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IS Mgmt Chapter 7
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IS Mgmt Chapter 7
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