Mis Chapter 7

Chapter 7 Tele communication theory, the cyberspace, and Wireless Technology1) Telephone ne dickensrks are fundamentally several(predicate) from electronic computer entanglements. adjudicate TRUE2) Increasingly, voice, video, and information communications are all found on earnings engineering. result TRUE3) To create a computer electronic network, you essential have at least two computers. settle TRUE4) An NOS must reside on a dedicated server computer in order to manage a network. resultant role rancid5) A hub is a networking device that connects network components and is use to filter and forward entropy to specified destinations on the network. Answer absurd6) In a customer/server network, a network server provides all connected client with an address so it so-and-so be found by others on the network. Answer TRUE7) Central large mainframe figuring has largely replaced client/server computing. Answer FALSE8) Circuit displacement makes much more in force(p) use of the communications capacity of a network than does packet switching. Answer FALSE9) A protocol is a standard set of rules and procedures for the view of communications in a network. Answer TRUE10) dickens computers victimisation transmission control protocol/IP chamberpot eliminate even if they are based on distinguishable hardware and software plat degrees. Answer TRUE11) In a ring topology, one station transmits signals, which journey in both directions along a exclusive transmission segment. Answer FALSE12) Coaxial cable is similar to that use for cable television and consists of thickly insulated copper wire. Answer TRUE13) Fiber-optic cable is more expensive and harder to constitute than wire media. Answer TRUE14) The result of cycles per second that toilet be sent by any telecommunications median(a) is measured in kilobytes. Answer FALSE15) The Domain reference System (DNS) converts IP addresses to domain names. Answer FALSE16) VoIP technology delivers video information in digital form using packet switching. Answer TRUE17) 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 matter in searching for and processing Web information. Answer TRUE18) Wi-Fi enables users to freely roam from one hotspot to some other even if the conterminous hotspot is using distinguishable Wi-Fi network services. Answer FALSE19) WiMax has a receiving set plan of attack 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 local anestheticize between computers and nates 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 leash key technologies?A) TCP/IP, HTML, and HTTPB) TCP/IP, HTTP, and packet switchingC) client/server computing, packet switching, and t he instruction of communications standards for linking networks and computersD) client/server computing, packet switching, and HTTP23) The order 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 band system is an example of a ________ network.A) peer-to-peerB) wirelessC) packet-switchedD) circuit-switched25) Which of the following is not a characteristic of packet switching?A) Packets travel independently of each other.B) Packets are routed done legion(predicate) different paths.C) Packet switching requires point-to-point circuits.D) Packets include data for checking transmission errors.26) In TCP/IP, IP is prudent forA) disassembling and reassembling of packets during transmission.B) establishing an Internet connection between two computers.C) touching packets over the network.D) sequencing the transfer of pa ckets.27) In a telecommunications network architecture, a protocol isA) a device that handles the switching of voice and data in a local range 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 model?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 character references are represented by a continuous waveform?A) laserB) opticalC) digitalD) linear30) 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 inside a half-mile or 500-meter radius?A) microwaveB) LANC) WAND) MAN32) Which of the following Internet connection types offers the greatest bandwidth?A) T3B) DSLC) cableD) T133) Which type of network would be most appropriate for a business that comprised three employees and a manager located in the akin office space, whose primary need is to share documents?A) wireless network in infrastructure 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 correct 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 geographical regions is m ost commonly referred to as a(n)A) local area network.B) intranet.C) peer-to-peer network.D) wide area network.39) ________ work by using radio waves to communicate with radio antennas placed at heart 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) occur number of bytes that can be sent through a medium per second.