Wireless Technologies Overview Quiz
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Questions and Answers

What type of network topology has no central device for controlling the network?

  • Ring (correct)
  • Star
  • Bus
  • Mesh

    • Which network topology's security is considered low due to all nodes receiving the signal from the source?

  • Ring
  • Star
  • Bus (correct)
  • Mesh

    • What disadvantage is associated with the star network topology if the hub fails?

  • Improved fault detection
  • Increased security risks
  • Whole network failure (correct)
  • Decreased transmission speed

    • What type of bandwidth is classified as high-speed?

    <p>Broadband</p> Signup and view all the answers

    Which network topology allows easy addition and removal of parts?

    <p>Star</p> Signup and view all the answers

    What is a common disadvantage associated with the bus network topology?

    <p>Low efficiency with increasing number of devices</p> Signup and view all the answers

    What does Metcalfe's Law represent in computer networks and telecommunications?

    <p>The value of a network based on the number of people connected</p> Signup and view all the answers

    In the formula f(x) = (n(n-1))/2, what does 'n' represent?

    <p>Number of people connected in the network</p> Signup and view all the answers

    Why do we subtract 1 from 'n' in Metcalfe's Law formula?

    <p>To establish unique connections without self-connections</p> Signup and view all the answers

    What happens if we do not divide by two in the Metcalfe's Law formula?

    <p>It doubles the count of possible connections</p> Signup and view all the answers

    How many unique connections would there be in a network with 7 people connected?

    <p>14</p> Signup and view all the answers

    What is the purpose of Metcalfe's Law in understanding network value?

    <p>To evaluate the scalability and potential reach of a network</p> Signup and view all the answers

    What role do cellular and PCS telephone systems play in wireless technologies?

    <p>Divide the geographic area into cells</p> Signup and view all the answers

    What is the main function of a modem in the context of telecommunications processors?

    <p>Convert digital signals to analog frequencies for transmission over telephone lines</p> Signup and view all the answers

    How do wireless LANs function within an office or building?

    <p>Use radio signals to connect PCs to networks</p> Signup and view all the answers

    What distinguishes a switch from a hub in internetwork processors?

    <p>Switches replicate data packets while hubs do not</p> Signup and view all the answers

    In wireless technologies, what is the primary purpose of using communications satellites?

    <p>Serve as relay stations for communication signals</p> Signup and view all the answers

    What is the key function of Bluetooth technology?

    <p>To enable short-range wireless connections between devices</p> Signup and view all the answers

    What is the main advantage of digital network technologies over analog?

    <p>Faster transmission speed and lower error rates</p> Signup and view all the answers

    What does interoperability refer to in the context of open systems?

    <p>Enabling end user applications using different computer systems and software packages</p> Signup and view all the answers

    What is the primary function of middleware in the context of telecommunications?

    <p>Connecting two separate programs together</p> Signup and view all the answers

    How do digital network technologies contribute to a more efficient business operation?

    <p>By reducing order processing delays and speeding up billing</p> Signup and view all the answers

    In what way do open systems enhance connectivity among networked computers?

    <p>By allowing easy access and communication between computers</p> Signup and view all the answers

    What is a key benefit that telecommunications networks offer businesses in terms of customer service?

    <p>Reducing order processing delays and improving cash flows</p> Signup and view all the answers

    What is the main function of a router?

    <p>Routes data from one network to another network based on IP address</p> Signup and view all the answers

    What is the role of a gateway in a network?

    <p>Serves as an entry and exit point to the network, converting packets from one protocol to another</p> Signup and view all the answers

    What is the purpose of a multiplexer in a network?

    <p>Allows a single communications channel to carry simultaneous data transmissions from many terminals</p> Signup and view all the answers

    Which network topology involves local processors sharing the same communication channel?

    <p>Bus</p> Signup and view all the answers

    What is a significant disadvantage of the bus network topology?

    <p>Whole communication system goes down if the main cable breaks</p> Signup and view all the answers

    Which function of network management involves surveying resources and traffic patterns to accommodate network growth?

    <p>Capacity Planning</p> Signup and view all the answers

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