Podcast
Questions and Answers
What is the primary advantage of a star topology over a mesh topology?
What is the primary advantage of a star topology over a mesh topology?
- No single point of failure
- Centralised management (correct)
- Redundancy and fault tolerance
- Flexibility in adding or removing computers
What is the main disadvantage of a star topology?
What is the main disadvantage of a star topology?
- Requires a lot of cables and extra hardware (correct)
- No redundancy and fault tolerance
- Computer malfunction does not affect the entire network
- Difficult to add or remove computers
Which type of network is MOST suitable for a small office?
Which type of network is MOST suitable for a small office?
- Hybrid topology
- Bus topology
- Star topology (correct)
- Mesh topology
What is the primary advantage of a mesh network over a star topology?
What is the primary advantage of a mesh network over a star topology?
Which type of network is often used in Military Communication Networks?
Which type of network is often used in Military Communication Networks?
What is the primary function of the 'Token' in a Ring Topology?
What is the primary function of the 'Token' in a Ring Topology?
Which of the following is a common issue in both Ring and Bus Topologies?
Which of the following is a common issue in both Ring and Bus Topologies?
What is the primary advantage of a Bus Topology over a Ring Topology?
What is the primary advantage of a Bus Topology over a Ring Topology?
What is the primary disadvantage of a Ring Topology compared to a Bus Topology?
What is the primary disadvantage of a Ring Topology compared to a Bus Topology?
What is the effect of adding too many computers to a Bus Topology?
What is the effect of adding too many computers to a Bus Topology?
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Study Notes
Network Topologies
Ring Topology
- Consists of computers connected in a ring with data transferred in one direction through a control signal called a "Token".
- Example: Ring Token Networks
- Advantages: cheap to set up, easy to change size
- Disadvantages: slow, singular malfunction in a cable can cause the whole network to fail, not flexible
Bus Topology
- Consists of computers connected to a main bus cable where data is transmitted from one computer to another.
- Example: Ethernet LANs
- Advantages: easy to set up, cheap, flexible, easy to add/remove computers
- Disadvantages: slow data transmission with many computers, performance decreases with heavy network traffic, entire network fails if bus cable malfunctions
Star Topology
- Consists of computers connected to a central computer through a switch/hub.
- Example: small office networks
- Advantages: one computer malfunctioning doesn't affect the entire network, flexible, centralized management
- Disadvantages: expensive to set up, requires many cables, entire network fails if switch or server malfunctions
Mesh Topology
- Consists of computers connected to each other, allowing data to travel through the network in multiple ways.
- Example: Military Communication Networks
- Advantages: no single point of failure, redundant and fault-tolerant
- Disadvantages: expensive and complex to set up
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