Chapter 7 MIS

The 802.11 set of standards is known asWLAN.WAN.WSN.

Wi-Fi.WiMax.

More than 50% of U.S. Internet users access the Internet via mobile devices.TrueFalse

A(n) ________ is a device that forwards packets of data through different networks, ensuring that the data gets to the right address.telnethubmodemrouterpacket

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.

A(n) ________ is a commercial organization with a permanent connection to the Internet that sells temporary connections to retail subscribers.RSSFTPNFPWANISP

IPv6 is being developed in order toallow for different levels of service.update the packet transmission protocols for higher bandwidth.create more IP addresses.support Internet2.reduce excess IP addresses.

The most appropriate wireless networking standard for creating PANs isWi-Fi.I-mode.RFID.IEEE 802.11b.Bluetooth.

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.

The Internet is based on which three key technologies?TCP/IP, HTML, and HTTPclient/server computing, packet switching, and the development of communications standards for linking networks and computersTCP/IP, HTTP, and packet switchingclient/server computing, packet switching, and HTTPe-mail, instant messaging, and newsgroups

The WiMax standard can transmit up to a distance of approximately70 miles.30 miles.500 meters.5 miles.30 meters.

A computer network consists of at least three computers.TrueFalse

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

An NOS must reside on a dedicated server computer in order to manage a network.TrueFalse

TCP/IP was developed in the 1960s to enable university scientists to locate other computers on the Internet.TrueFalse

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.

Digital subscriber linesare 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.

Bluetooth can be used to link up to ________ devices within a 10-meter area using low-power, radio-based communication.eightfivetwentytwofifteen

Shopping bots use ________ software for searching the Internet.comparisonWeb 3.0SEOintelligent agentWeb 2.0

A(n) ________ signal is a discrete, binary waveform that transmits data coded into two discrete states such as 1-bits and 0-bits.analogdigitalT1broadbandmodulated

The concept of a future Web in which it is commonplace for everyday objects to be connected, controlled or monitored over the Internet is calledthe Semantic Web.a 3-D Web.Internet2.the Internet of things.Web 2.0.

T1 linesare 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."

A VPNprovides 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.

Fiber-optic cable is more expensive and harder to install than wire media.TrueFalse

The child domain of the root is thesecond-level domain.mid-tier domain.host name.domain extension.top-level domain.

All of the following are physical components of an RFID system exceptradio transmitters.tags.bar code.a stationary or handheld device.antenna.

The method of slicing digital messages into parcels, transmitting them along different communication paths, and reassembling them at their destinations is calledATM.multiplexing.packet shifting.packet routing.packet switching.

"Predictive search" in Google's search engineuses 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.

________ integrate disparate channels for voice communications, data communications, instant messaging, e-mail, and electronic conferencing into a single experience.Unified communicationsModemsVirtual private networksWireless networksIntranets

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 nameazimuth-interactivebooks.azimuth-interactivecombooks

What service converts IP addresses into more recognizable alphanumeric names?HTMLDNSFTPHTTPIP

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.

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?SANdomain-based LANMANWANpeer-to-peer network

Which signal types are represented by a continuous waveform?analogRFIDlaserdigitaloptical

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.TrueFalse

Circuit switching makes much more efficient use of the communications capacity of a network than does packet switching.TrueFalse

Web browser software requests Web pages from the Internet using which protocol?FTPHTTPDNSURLHTML

VoIP technology delivers voice information in digital form using packet switching.TrueFalse

________ monetizes the value of the data stored by search engines.Search engine marketingTCP/IPWiMaxWireless sensor networksRSS

Which process is used to protect transmitted data in a VPN?VOIPchainingPPPtunnelingpacket-switching

RFID technology is being gradually replaced by less costly technologies such as WSNs.TrueFalse

Bandwidth is thenumber 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.

Mobile search makes up at least 50% of all Internet searches.TrueFalse

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.TrueFalse

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.TrueFalse

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.

Which protocol is the Internet based on?HTTPFTPDNSpacket-switchingTCP/IP

Which digital cellular standard is used widely throughout the world except the United States?WLAN4GCDMAGSMLTD

A(n) ________ is software for locating and managing stored Web pages.net serverhubWeb servermodemrouter

The total amount of digital information that can be transmitted through any telecommunications medium is measured inHertz.bps.baud.gigaflops.RPMs.

Which type of network is used to connect digital devices within a half-mile or 500-meter radius?LANWi-FiSANMANWAN

What are the four layers of the TCP/IP reference model?application, hardware, Internet, and network interfacephysical, application, Internet, and network interfaceapplication, transport, Internet, and network interfacephysical, application, transport, and network interfacesoftware, hardware, network interface, Internet

Which of the following is the first generation of cellular systems suitable for watching videos?2G2.5G3.5G4G3G

Central large mainframe computing has largely replaced client/server computing.TrueFalse

A hub is a networking device that connects network components and is used to filter and forward data to specified destinations on the network.TrueFalse

Telephone networks are fundamentally different from computer networks.TrueFalse

A network that spans a city, and sometimes its major suburbs as well, is called aLAN.WSN.MAN.WAN.CAN.

________ combine the functionality of a cell phone with the computing of a laptop.NetbooksSmartphonesE-readersTabletsiPods

4G networks use which standards?LTE and WiMaxT-Mobile and AT&TGSM and LTDCDMA and PANLTE and LTD

The most common Web server today isWebSTAR.Apache HTTP Server.Netscape Server.Microsoft IIS.IBM HTTP Server.

In a telecommunications network architecture, a protocol isa 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.

The backbone networks of the Internet are typically owned by long-distance telephone companies calledbackbone providers.enhanced service providers.network service providers.regional network providers.internet bulk providers.

The process of employing techniques to help a Web site achieve a higher ranking with the major search engines is calledVPN.SEM.RSS.SEO.IAB.

To use the analog telephone system for sending digital data, you must also usea router.DSL.a modem.twisted wire.TCP/IP.

In TCP/IP, IP is responsible fordisassembling 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.

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

A(n) ________ is a box consisting of a radio receiver/transmitter and antennas that links to a wired network, router, or hub.WiMax receiverRFID receiverhotspotaccess pointhub

The Domain Name System (DNS) converts domain names to IP addresses.TrueFalse

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.

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 aswireless hubs.hotspots.touch points.hot points.netcenters.

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

Instant messaging is a type of ________ service.networkwirelesschate-mailcellular

The number of cycles per second that can be sent through any telecommunications medium is measured in kilobytes.TrueFalse

Which organization helps define the overall structure of the Internet?IABW3Cnone (no one "owns" the Internet)The Department of Commerce (U.S.)ICANN

What technology allows people to have content pulled from Web sites and fed automatically to their computers?FTPIPv6RSSHTTPBluetooth

Which of the following is not one of the top five search engines?YahooMicrosoft BingGoogleAskFacebook

The telephone system is an example of a ________ network.peer-to-peerwirelesscircuit-switchedclient/serverpacket-switched

Based on your reading of the examples in the chapter, what would be the best use of RFID for a business?lowering network costsimproving employee engagementmanaging the supply chainlogging transactionsenabling client communication

Web sites that enable users to share information, collaborate, and create new services and content are called ________ sites.second generationmashupfirst generationthird generationnew wave

Which type of network treats all processors equally and allows peripheral devices to be shared without going to a separate server?wirelesspeer-to-peerMANLANWindows domain network