Networking Layers and Topologies Quiz
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Questions and Answers

What is the main function of the application layer in IP networking?

  • Establish logical connections between applications (correct)
  • Provide security through encryption
  • Handle physical data transmission
  • Perform routing and switching

    • Why are mesh networks not generally fully interconnected?

  • To avoid excessive number of links (correct)
  • To reduce the need for routing and switching
  • To increase data security
  • To simplify the network structure

    • What is a typical characteristic of hierarchical networks in public telephone systems?

  • No hierarchy present
  • Some connections out of the hierarchy (correct)
  • Fully interconnected structure
  • Connections only within the hierarchy

    • In LANs, which topology involves connecting each device to a central node via a point-to-point link?

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

    What places large demands on the central node in a star topology LAN configuration?

    <p>High processing power</p> Signup and view all the answers

    What is a key advantage of the star configuration in LANs for PABX exchanges?

    <p>Easy integration of voice and data traffic</p> Signup and view all the answers

    Which LAN topology requires no switches or repeaters?

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

    In a RING topology, how do communicating devices attach?

    <p>At repeaters</p> Signup and view all the answers

    What is a characteristic of the BUS network in terms of flexibility?

    <p>Flexible with easy addition of new devices</p> Signup and view all the answers

    Which LAN topology's transmission medium bandwidth is shared amongst attached devices by the access protocol?

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

    What is required of all attached devices in a BUS network after processing and packetization?

    <p>Packetization and access control</p> Signup and view all the answers

    In a RING topology, what needs to be switched in if a node fails or a new node is to be attached?

    <p>Bypass circuitry</p> Signup and view all the answers

    What type of access protocol is described when information revolves around the whole ring and is removed by the sender?

    <p>Random Access</p> Signup and view all the answers

    What is the main advantage of hub networks with passive power splitting?

    <p>Shared bandwidth</p> Signup and view all the answers

    Which type of LAN access method involves channels being allocated on a static basis?

    <p>Fixed Assignment</p> Signup and view all the answers

    In a hub network with collapsed wiring, what topology is it equivalent to?

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

    What type of access method allows the entire bandwidth to be accessed randomly or contended for?

    <p>Random Access</p> Signup and view all the answers

    Why is routing not required in LAN topologies?

    <p>Because of shared transmission facilities</p> Signup and view all the answers

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