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Questions and Answers
What is a disadvantage of tree topologies?
What is a characteristic of a full mesh network?
What is an advantage of mesh networks?
What is an example of a mesh network?
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What is a disadvantage of mesh networks?
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What is a characteristic of a hybrid topology?
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What is an advantage of tree topologies?
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What is a type of hybrid topology?
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What is a characteristic of a bus network?
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What is a disadvantage of a bus network?
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What is a characteristic of a ring network?
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Why are dual-ring networks used?
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What is an advantage of a star network?
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What is a disadvantage of a star network?
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What is a characteristic of a tree topology?
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What is a characteristic of a tree topology?
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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.