Flashcards About Chapter 7 MIS
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The 802.11 set of standards is known as WLAN. WAN. WSN. Wi-Fi. WiMax.
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Wi-Fi.
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More than 50% of U.S. Internet users access the Internet via mobile devices. True False
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True
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A(n) ________ is a device that forwards packets of data through different networks, ensuring that the data gets to the right address. telnet hub modem router packet
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router
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Which of the following is not a characteristic of packet switching? Packets include data for checking transmission errors. Packets travel independently of each other. Packets are reassembled into the original message when they reach their destinations. Packet switching requires point-to-point circuits. Packets are routed through many different paths.
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Packet switching requires point-to-point circuits.
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A(n) ________ is a commercial organization with a permanent connection to the Internet that sells temporary connections to retail subscribers. RSS FTP NFP WAN ISP
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ISP
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IPv6 is being developed in order to allow for different levels of service. update the packet transmission protocols for higher bandwidth. create more IP addresses. support Internet2. reduce excess IP addresses.
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create more IP addresses.
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The most appropriate wireless networking standard for creating PANs is Wi-Fi. I-mode. RFID. IEEE 802.11b. Bluetooth.
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Bluetooth.
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Which of the following statements about RFID is not true? RFID tags and antennas come in a variety of shapes and sizes. RFIDs require line-of-sight contact to be read. RFIDs transmit only over a short range. RFIDs use an antenna to transmit data. Microchips embedded in RFIDs are used to store data.
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RFIDs require line-of-sight contact to be read.
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The Internet is based on which three key technologies? TCP/IP, HTML, and HTTP client/server computing, packet switching, and the development of communications standards for linking networks and computers TCP/IP, HTTP, and packet switching client/server computing, packet switching, and HTTP e-mail, instant messaging, and newsgroups
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client/server computing, packet switching, and the development of communications standards for linking networks and computers
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The WiMax standard can transmit up to a distance of approximately 70 miles. 30 miles. 500 meters. 5 miles. 30 meters.
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30 miles.
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A computer network consists of at least three computers. True False
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False
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Coaxial cable is similar to that used for cable television and consists of thickly insulated copper wire. True False
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True
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An NOS must reside on a dedicated server computer in order to manage a network. True False
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False
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TCP/IP was developed in the 1960s to enable university scientists to locate other computers on the Internet. True False
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False
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A network that covers entire geographical regions is most commonly referred to as a(n) wide area network. MAN. intranet. local area network. peer-to-peer network.
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wide area network.
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Digital subscriber lines are assigned to every computer on the Internet. are very-high-speed data lines typically leased from long-distance telephone companies. operate over existing telephone lines to carry voice, data, and video. operate over coaxial cable lines to deliver Internet access. have up to twenty-four 64-Kbps channels.
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operate over existing telephone lines to carry voice, data, and video.
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Bluetooth can be used to link up to ________ devices within a 10-meter area using low-power, radio-based communication. eight five twenty two fifteen
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eight
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Shopping bots use ________ software for searching the Internet. comparison Web 3.0 SEO intelligent agent Web 2.0
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intelligent agent
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A(n) ________ signal is a discrete, binary waveform that transmits data coded into two discrete states such as 1-bits and 0-bits. analog digital T1 broadband modulated
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digital
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The concept of a future Web in which it is commonplace for everyday objects to be connected, controlled or monitored over the Internet is called the Semantic Web. a 3-D Web. Internet2. the Internet of things. Web 2.0.
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the Internet of things.
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T1 lines are high-speed, leased data lines providing guaranteed service levels. operate over coaxial lines to deliver Internet access. have up to twenty-four 64-Kbps channels. operate over existing telephone lines to carry voice, data, and video. do not provide guaranteed service levels, but simply "best effort."
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are high-speed, leased data lines providing guaranteed service levels.
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A VPN provides secure, encrypted communications using Telnet. is an Internet-based service for delivering voice communications. is a proprietary networking service technology developed by individual corporations. is an encrypted private network configured within a public network. is more expensive than a dedicated network.
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is an encrypted private network configured within a public network.
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Fiber-optic cable is more expensive and harder to install than wire media. True False
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True
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The child domain of the root is the second-level domain. mid-tier domain. host name. domain extension. top-level domain.
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top-level domain.
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All of the following are physical components of an RFID system except radio transmitters. tags. bar code. a stationary or handheld device. antenna.
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bar code.
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The method of slicing digital messages into parcels, transmitting them along different communication paths, and reassembling them at their destinations is called ATM. multiplexing. packet shifting. packet routing. packet switching.
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packet switching.
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"Predictive search" in Google's search engine uses a knowledge graph of what similar people searched on to predict your search interests. uses a semantic approach to predict what you are looking for. predicts what you are looking for as you enter words into the query box. uses a tracking service and cookies on your browser to predict search results. maintains a history of your searches and then predicts what you will search on next.
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predicts what you are looking for as you enter words into the query box.
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________ integrate disparate channels for voice communications, data communications, instant messaging, e-mail, and electronic conferencing into a single experience. Unified communications Modems Virtual private networks Wireless networks Intranets
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Unified communications
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In the domain name "http://books.azimuth-interactive.com", which element is the second-level domain? none; there is no second-level domain in this name azimuth-interactive books.azimuth-interactive com books
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azimuth-interactive
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What service converts IP addresses into more recognizable alphanumeric names? HTML DNS FTP HTTP IP
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DNS
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Which of the following statements is not true about search engines? Users are increasingly using search engines on mobile devices. They are monetized almost exclusively by search engine marketing. There are hundreds of search engines vying for user attention, with no clear leader having yet emerged. They are arguably the Internet's "killer app." They have solved the problem of how users instantly find information on the Internet.
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There are hundreds of search engines vying for user attention, with no clear leader having yet emerged.
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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? SAN domain-based LAN MAN WAN peer-to-peer network
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peer-to-peer network
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Which signal types are represented by a continuous waveform? analog RFID laser digital optical
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analog
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Web 3.0 is an 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. True False
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True
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Circuit switching makes much more efficient use of the communications capacity of a network than does packet switching. True False
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False
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Web browser software requests Web pages from the Internet using which protocol? FTP HTTP DNS URL HTML
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HTTP
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VoIP technology delivers voice information in digital form using packet switching. True False
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True
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________ monetizes the value of the data stored by search engines. Search engine marketing TCP/IP WiMax Wireless sensor networks RSS
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Search engine marketing
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Which process is used to protect transmitted data in a VPN? VOIP chaining PPP tunneling packet-switching
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tunneling
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RFID technology is being gradually replaced by less costly technologies such as WSNs. True False
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False
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Bandwidth is the number of cycles per second that can be sent through a medium. geographical distance spanned by a network. number of frequencies that can be broadcast through a medium. difference between the highest and lowest frequencies that can be accommodated on a single channel. total number of bytes that can be sent through a medium per second.
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difference between the highest and lowest frequencies that can be accommodated on a single channel.
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Mobile search makes up at least 50% of all Internet searches. True False
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True
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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. True False
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True
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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. True False
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True
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Together, a protocol prefix, a domain name, a directory path, and a document name, are called a(n) uniform resource locator. IP address. child domain. root domain. third-level domain.
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uniform resource locator.
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Which protocol is the Internet based on? HTTP FTP DNS packet-switching TCP/IP
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TCP/IP
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Which digital cellular standard is used widely throughout the world except the United States? WLAN 4G CDMA GSM LTD
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GSM
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A(n) ________ is software for locating and managing stored Web pages. net server hub Web server modem router
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Web server
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The total amount of digital information that can be transmitted through any telecommunications medium is measured in Hertz. bps. baud. gigaflops. RPMs.
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bps.
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Which type of network is used to connect digital devices within a half-mile or 500-meter radius? LAN Wi-Fi SAN MAN WAN
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LAN
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What are the four layers of the TCP/IP reference model? application, hardware, Internet, and network interface physical, application, Internet, and network interface application, transport, Internet, and network interface physical, application, transport, and network interface software, hardware, network interface, Internet
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application, transport, Internet, and network interface
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Which of the following is the first generation of cellular systems suitable for watching videos? 2G 2.5G 3.5G 4G 3G
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4G
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Central large mainframe computing has largely replaced client/server computing. True False
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False
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A hub is a networking device that connects network components and is used to filter and forward data to specified destinations on the network. True False
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False
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Telephone networks are fundamentally different from computer networks. True False
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True
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A network that spans a city, and sometimes its major suburbs as well, is called a LAN. WSN. MAN. WAN. CAN.
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MAN.
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________ combine the functionality of a cell phone with the computing of a laptop. Netbooks Smartphones E-readers Tablets iPods
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Smartphones
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4G networks use which standards? LTE and WiMax T-Mobile and AT&T GSM and LTD CDMA and PAN LTE and LTD
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LTE and WiMax
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The most common Web server today is WebSTAR. Apache HTTP Server. Netscape Server. Microsoft IIS. IBM HTTP Server.
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Apache HTTP Server.
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In a telecommunications network architecture, a protocol is a device that handles the switching of voice and data in a local area network. a communications service for microcomputer users. a pathway through which packets are routed. a standard set of rules and procedures for control of communications in a network. the main computer in a telecommunications network.
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a standard set of rules and procedures for control of communications in a network.
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The backbone networks of the Internet are typically owned by long-distance telephone companies called backbone providers. enhanced service providers. network service providers. regional network providers. internet bulk providers.
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network service providers.
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The process of employing techniques to help a Web site achieve a higher ranking with the major search engines is called VPN. SEM. RSS. SEO. IAB.
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SEO.
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To use the analog telephone system for sending digital data, you must also use a router. DSL. a modem. twisted wire. TCP/IP.
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a modem.
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In TCP/IP, IP is responsible for disassembling and reassembling of packets during transmission. moving packets over the network. establishing an Internet connection between two computers. breaking messages down into packets. sequencing the transfer of packets.
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disassembling and reassembling of packets during transmission.
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Wikis allow visitors to change or add to the original posted material. True False
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True
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A(n) ________ is a box consisting of a radio receiver/transmitter and antennas that links to a wired network, router, or hub. WiMax receiver RFID receiver hotspot access point hub
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access point
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The Domain Name System (DNS) converts domain names to IP addresses. True False
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True
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The device that acts as a connection point between computers and can filter and forward data to a specified destination is called a(n) modem. hub. switch. NIC. router.
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switch.
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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 wireless hubs. hotspots. touch points. hot points. netcenters.
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hotspots.
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Two computers using TCP/IP can communicate even if they are based on different hardware and software platforms. True False
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True
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Instant messaging is a type of ________ service. network wireless chat e-mail cellular
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chat
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The number of cycles per second that can be sent through any telecommunications medium is measured in kilobytes. True False
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False
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Which organization helps define the overall structure of the Internet? IAB W3C none (no one "owns" the Internet) The Department of Commerce (U.S.) ICANN
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IAB
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What technology allows people to have content pulled from Web sites and fed automatically to their computers? FTP IPv6 RSS HTTP Bluetooth
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RSS
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Which of the following is not one of the top five search engines? Yahoo Microsoft Bing Google Ask Facebook
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Facebook
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The telephone system is an example of a ________ network. peer-to-peer wireless circuit-switched client/server packet-switched
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circuit-switched
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Based on your reading of the examples in the chapter, what would be the best use of RFID for a business? lowering network costs improving employee engagement managing the supply chain logging transactions enabling client communication
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managing the supply chain
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Web sites that enable users to share information, collaborate, and create new services and content are called ________ sites. second generation mashup first generation third generation new wave
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second generation
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Which type of network treats all processors equally and allows peripheral devices to be shared without going to a separate server? wireless peer-to-peer MAN LAN Windows domain network
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peer-to-peer
