Mis Chapter 7

Chapter 7 Telecommunications, the Internet, and Wireless Technology1) Telephone networks are fundament eachy diverse from computer networks. solution TRUE2) Increasingly, voice, characterisation, and data communications are all based on Internet technology. outcome TRUE3) To create a computer network, you must have at least two computers. resolvent TRUE4) An NOS must reside on a dedicated innkeeper computer in order to manage a network. dish out anomalous5) A hub is a networking machination that connects network components and is used to filter and ahead-moving data to specified destinations on the network. Answer FALSE6) In a client/ master of ceremonies network, a network server provides every machine-accessible client with an address so it pile be found by others on the network. Answer TRUE7) Central large mainframe reason has largely re situated client/server computing. Answer FALSE8) Circuit switch over makes much more efficient use of the communications capacity of a network than does packet switch over. Answer FALSE9) A protocol is a standard set of rules and procedures for the control of communications in a network. Answer TRUE10) Two computers using TCP/IP arsehole say take down if they are based on different hardware and package platforms. Answer TRUE11) In a ring topology, one station transmits signals, which act in both directions along a single transmission segment. Answer FALSE12) Coaxial cable is similar to that used for cable television and consists of thickly insulated copper wire. Answer TRUE13) Fiber-optic cable is more expensive and harder to give than wire media. Answer TRUE14) The number of cycles per second that can be send through any telecommunications medium is measured in kilobytes. Answer FALSE15) The vault of heaven Name System (DNS) converts IP addresses to domain names. Answer FALSE16) VoIP technology delivers video information in digital form using packet switching. Answer TRUE17) meshing 3. 0 is a collab orative effort to add a layer of meaning to the existing Web in order to fell the amount of human involvement in searching for and processing Web information. Answer TRUE18) Wi-Fi enables users to freely roam from one hotspot to another even if the future(a) hotspot is using different Wi-Fi network services. Answer FALSE19) WiMax has a wireless access range of up to 31 miles. Answer TRUE20) RFID has been exceptionally popular from the technologys inception because of its low implementation costs. Answer FALSE21) The device that acts as a connection point between computers and can filter and forward data to a specified destination is called a(n)A) hub.B) switch.C) router.D) NIC.22) The Internet is based on which three key technologies?A) TCP/IP, HTML, and HTTPB) TCP/IP, HTTP, and packet switchingC) client/server computing, packet switching, and the development of communications standards for linking networks and computersD) client/server computing, packet switching, and HTTP23) The method of slicing digital messages into parcels, transmitting them along different communication paths, and reassembling them at their destinations is calledA) multiplexing.B) packet switching.C) packet routing.D) ATM.24) The mobilise system is an example of a ________ network.A) peer-to-peerB) wirelessC) packet-switchedD) circuit-switched25) Which of the succeeding(a) 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.26) In TCP/IP, IP is answerable forA) disassembling and reassembling of packets during transmission.B) establishing an Internet connection between two computers.C) moving packets over the network.D) sequencing the transferral of packets.27) In a telecommunications network architecture, a protocol isA) a device that handles the switching of voice and data in a local rural sports stadium 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.28) What are the four layers of the TCP/IP reference exercise?A) physical, application, transport, and network interfaceB) physical, application, Internet, and network interfaceC) application, transport, Internet, and network interfaceD) application, hardware, Internet, and network interface29) Which signal types are equal by a continuous waveform?A) laserB) opticalC) digitalD) analog30) To use the analog telephone system for sending digital data, you must also useA) a modem.B) a router.C) DSL.D) twisted wire.31) Which type of network is used to connect digital devices indoors a half-mile or 500-meter radius?A) microwaveB) LANC) WAND) MAN32) Which of the following Internet connection types offers the superlative bandwidth?A) T3B) DSLC) cableD) T133) Which type of network would be most appropriate for a melodic phrase that comprised three employees and a manager located in the same placement space, whose primary need is to share documents?A) wireless network in al-Qaida modeB) domain-based LANC) peer-to-peer networkD) campus area network34) In a bus networkA) signals are broadcast to the next station.B) signals are broadcast in both directions to the entire network.C) multiple hubs are organized in a hierarchy.D) messages pass from computer to computer in a loop.35) All network components connect to a single hub in a ________ topology.A) starB) busC) domainD) peer-to-peer36) The most common Ethernet topology isA) bus.B) star.C) ring.D) mesh.37) A network that spans a city, and sometimes its major suburbs as well, is called aA) CAN.B) MAN.C) LAN.D) WAN.38) A network that covers broad geographic regions is most commonly referred to as a(n)A) local area network.B) intranet.C) peer-to-peer network.D) wide area network.39) ________ work by u sing radio waves to communicate with radio antennas placed within adjacent geographic areas.A) Cell phonesB) MicrowavesC) SatellitesD) WANs40) Bandwidth is theA) 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.