Mis Chapter 7

Chapter 7 Telecommunications, the Internet, and Wireless Technology

1) Telephone networks are fundamentally different from computer networks. Answer: TRUE

2) Increasingly, voice, video, and data communications are all based on Internet technology. Answer: TRUE

We will write a custom essay sample on
Mis Chapter 7
or any similar topic only for you
Order now

3) To create a computer network, you must have at least two computers. Answer: TRUE

4) An NOS must reside on a dedicated server computer in order to manage a network. Answer: FALSE

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. Answer: FALSE

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. Answer: TRUE

7) Central large mainframe computing has largely replaced client/server computing. Answer: FALSE

8) Circuit switching makes much more efficient use of the communications capacity of a network than does packet switching. Answer: FALSE

9) A protocol is a standard set of rules and procedures for the control of communications in a network. Answer: TRUE

10) Two computers using TCP/IP can communicate even if they are based on different hardware and software platforms. Answer: TRUE

11) In a ring topology, one station transmits signals, which travel in both directions along a single transmission segment. Answer: FALSE

12) Coaxial cable is similar to that used for cable television and consists of thickly insulated copper wire. Answer: TRUE

13) Fiber-optic cable is more expensive and harder to install than wire media. Answer: TRUE

14) The number of cycles per second that can be sent through any telecommunications medium is measured in kilobytes. Answer: FALSE

15) The Domain Name System (DNS) converts IP addresses to domain names. Answer: FALSE

16) VoIP technology delivers video information in digital form using packet switching. Answer: TRUE

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. Answer: TRUE

18) Wi-Fi enables users to freely roam from one hotspot to another even if the next hotspot is using different Wi-Fi network services. Answer: FALSE

19) WiMax has a wireless access range of up to 31 miles. Answer: TRUE

20) RFID has been exceptionally popular from the technology’s inception because of its low implementation costs. Answer: FALSE

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)

  • A) hub.
  • B) switch.
  • C) router.
  • D) NIC.

22) The Internet is based on which three key technologies?

  • A) TCP/IP, HTML, and HTTP
  • B) TCP/IP, HTTP, and packet switching
  • C) client/server computing, packet switching, and the development of communications standards for linking networks and computers
  • D) client/server computing, packet switching, and HTTP

23) The method of slicing digital messages into parcels, transmitting them along different communication paths, and reassembling them at their destinations is called

  • A) multiplexing.
  • B) packet switching.
  • C) packet routing.
  • D) ATM.

24) The telephone system is an example of a ________ network.

  • A) peer-to-peer
  • B) wireless
  • C) packet-switched
  • D) circuit-switched

25) Which of the following 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 responsible for

  • A) disassembling and reassembling of packets during transmission.
  • B) establishing an Internet connection between two computers.
  • C) moving packets over the network.
  • D) sequencing the transfer of packets.

27) In a telecommunications network architecture, a protocol is

  • A) a device that handles the switching of voice and data in a local area 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 interface
  • B) physical, application, Internet, and network interface
  • C) application, transport, Internet, and network interface
  • D) application, hardware, Internet, and network interface

29) Which signal types are represented by a continuous waveform?

  • A) laser
  • B) optical
  • C) digital
  • D) analog

30) To use the analog telephone system for sending digital data, you must also use

  • A) a modem.
  • B) a router.
  • C) DSL.
  • D) twisted wire.

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

  • A) microwave
  • B) LAN
  • C) WAN
  • D) MAN

32) Which of the following Internet connection types offers the greatest bandwidth?

  • A) T3
  • B) DSL
  • C) cable
  • D) T1

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?

  • A) wireless network in infrastructure mode
  • B) domain-based LAN
  • C) peer-to-peer network
  • D) campus area network

34) In a bus network

  • A) 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) star
  • B) bus
  • C) domain
  • D) peer-to-peer

36) The most common Ethernet topology is

  • A) bus.
  • B) star.
  • C) ring.
  • D) mesh.

37) A network that spans a city, and sometimes its major suburbs as well, is called a

  • A) CAN.
  • B) MAN.
  • C) LAN.
  • D) WAN.

38) A network that covers broad geographical 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 using radio waves to communicate with radio antennas placed within adjacent geographic areas.

  • A) Cell phones
  • B) Microwaves
  • C) Satellites
  • D) WANs

40) Bandwidth is the

  • A) 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.

Custom writing services

×

Hi there, would you like to get such a paper? How about receiving a customized one? Check it out