10 Questions
What is the primary advantage of a star topology over a mesh topology?
Centralised management
What is the main disadvantage of a star topology?
Requires a lot of cables and extra hardware
Which type of network is MOST suitable for a small office?
Star topology
What is the primary advantage of a mesh network over a star topology?
No single point of failure
Which type of network is often used in Military Communication Networks?
Mesh topology
What is the primary function of the 'Token' in a Ring Topology?
To control the direction of data transmission
Which of the following is a common issue in both Ring and Bus Topologies?
Single point of failure
What is the primary advantage of a Bus Topology over a Ring Topology?
Easier to setup and maintain
What is the primary disadvantage of a Ring Topology compared to a Bus Topology?
Less flexible and scalable
What is the effect of adding too many computers to a Bus Topology?
Slower data transmission
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
Explore the concept of ring topology in computer networks, its advantages and disadvantages, including data transfer and token control signal.
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