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Bus Topology in Computer Networks
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Bus Topology in Computer Networks

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Questions and Answers

What is a disadvantage of tree topologies?

  • They are slow in data transmission
  • They are vulnerable to a single point of failure (correct)
  • They are expensive to set up
  • They are difficult to install
  • What is a characteristic of a full mesh network?

  • Nodes communicate through a central hub
  • Only some nodes connect directly with each other
  • Each node is connected to every other node (correct)
  • Each node is connected to at least one other node
  • What is an advantage of mesh networks?

  • They are easy to install
  • They are more resilient and offer greater security (correct)
  • They are slow in data transmission
  • They are inexpensive to set up
  • What is an example of a mesh network?

    <p>The internet</p> Signup and view all the answers

    What is a disadvantage of mesh networks?

    <p>They require many cables to establish the connections</p> Signup and view all the answers

    What is a characteristic of a hybrid topology?

    <p>It combines multiple topologies</p> Signup and view all the answers

    What is an advantage of tree topologies?

    <p>Identifying issues with individual nodes is relatively easy</p> Signup and view all the answers

    What is a type of hybrid topology?

    <p>A tree network that combines a star network and a bus network</p> Signup and view all the answers

    What is a characteristic of a bus network?

    <p>Data transmission flows through a central connection</p> Signup and view all the answers

    What is a disadvantage of a bus network?

    <p>A failure of the central link causes all dependencies to fail</p> Signup and view all the answers

    What is a characteristic of a ring network?

    <p>Data usually flows unidirectionally</p> Signup and view all the answers

    Why are dual-ring networks used?

    <p>To protect against single node failure</p> Signup and view all the answers

    What is an advantage of a star network?

    <p>It is easy to troubleshoot issues with a particular node</p> Signup and view all the answers

    What is a disadvantage of a star network?

    <p>If the central hub goes down, the entire network goes down</p> Signup and view all the answers

    What is a characteristic of a tree topology?

    <p>It is a combination of a bus and a star network</p> Signup and view all the answers

    What is a characteristic of a tree topology?

    <p>The central hub connects multiple star networks</p> Signup and view all the answers

    Study Notes

    Bus Topology

    • A bus network has each node connected to a single cable, resembling bus stops branching from a route.
    • It's cost-effective, simple to set up, and add new nodes, but a central link failure causes all dependencies to fail.
    • Bus networks are less secure due to the shared central link and slow down with more nodes sharing the cable.

    Ring Topology

    • A ring network has nodes and links arranged in a ring, with each node having two neighbors.
    • Repeaters ensure data reaches distant nodes, and data usually flows unidirectionally.
    • Ring networks are cheap to install and expand, with fast data flow, but a single node failure can bring down the network.

    Star Topology

    • A star network has nodes connected to a central hub, resembling a star shape.
    • It's easier to troubleshoot issues with individual nodes, and a single node failure doesn't affect the rest of the network.
    • However, if the central hub fails, the entire network goes down, and performance depends on the hub and connections.

    Tree Topology

    • A tree topology combines bus and star networks, with a central hub connecting multiple star networks.
    • It allows for more devices to connect to a central data center, speeding up data flow.
    • Identifying issues with individual nodes is relatively easy, but it's vulnerable to a single point of failure.

    Mesh Topology

    • A mesh network has each device connected to at least one other node, with full mesh connecting every node, and partial mesh connecting some nodes directly.
    • Communication is fast, and nodes can communicate directly without a central hub.
    • Mesh networks are resilient, continue to function if a node or connection fails, and offer greater security.
    • However, they're expensive to set up, requiring many cables, and can be complicated to install and maintain.

    Hybrid Topology

    • A hybrid network combines multiple topologies, offering flexibility.
    • Examples include tree networks combining star and bus networks.

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    Description

    Learn about bus topology in computer networks, its characteristics, advantages, and disadvantages. Understand how it works and its limitations.

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