Podcast
Questions and Answers
In a star network topology, what happens if the hub fails?
In a star network topology, what happens if the hub fails?
What type of network topology features a closed loop for data transmission?
What type of network topology features a closed loop for data transmission?
In a bus network topology, how is communication handled between devices?
In a bus network topology, how is communication handled between devices?
Which type of network topology is best suited for a limited number of nodes?
Which type of network topology is best suited for a limited number of nodes?
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What is the distinguishing characteristic of a ring network topology?
What is the distinguishing characteristic of a ring network topology?
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What type of network topology involves all network nodes being individually connected to most of the other nodes?
What type of network topology involves all network nodes being individually connected to most of the other nodes?
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Which network topology may experience performance problems if more than a few dozen computers are added to the network bus?
Which network topology may experience performance problems if more than a few dozen computers are added to the network bus?
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In a Hybrid network, what does the term 'Hybrid' refer to?
In a Hybrid network, what does the term 'Hybrid' refer to?
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What is a characteristic of a Mesh network that makes it robust but also difficult and expensive to install and configure?
What is a characteristic of a Mesh network that makes it robust but also difficult and expensive to install and configure?
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Which of the following is NOT a common example of a Hybrid network?
Which of the following is NOT a common example of a Hybrid network?
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Study Notes
LAN Network Topology
- A network topology refers to a specific arrangement of nodes, cables, and peripherals in a LAN network.
Star Topology
- Each node has a dedicated set of wires connecting it to a central network hub.
- All traffic passes through the switch (formerly known as a hub), making it a central point for isolating network problems and gathering network statistics.
- Many home and office networks use the star topology.
- A failure in any star patterned LAN will only take down one computer's network access, not the entire LAN.
Ring Topology
- All messages/data packets travel through a ring in the same direction (either "clockwise" or "counter clockwise") from one network device to the next.
- The network features a closed loop.
- A failure in any cable or device breaks the loop and can take down the entire network.
- Ring patterns can be found in some office or school networks.
Bus Topology
- Each node attaches directly to a common single cable, known as the backbone.
- The backbone functions as a shared communication medium that devices attach or tap into with an interface connector.
- A device wanting to communicate with another device on the network sends a broadcast message onto the wire that all other devices see, but only the intended recipient actually accepts and processes the message.
- Bus patterns work best with a limited number of nodes.
- Adding more than a few dozen computers to a network bus can result in performance problems.
- If the backbone cable fails, the entire network effectively goes down.
Mesh Topology
- All network nodes are individually connected to most of the other nodes.
- There is no concept of a central switch, hub, or computer that acts as a central point of communication to pass on the messages.
- Installation and configuration can be difficult and expensive in this pattern.
- Mesh topology is robust and provides security and privacy.
Hybrid Topology
- Integrates two or more different topologies according to the requirements of the company.
- Examples of hybrid networks include Star-Ring and Star-Bus networks.
- Hybrid topology has positives such as reliability and effectiveness, but it is costly and complex in design and infrastructure.
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Description
Test your knowledge on LAN network topologies and patterns such as star patterns. Explore how nodes, cables, and peripherals are connected in a network to ensure smooth performance and efficient troubleshooting.
