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Questions and Answers
Which network topology is known for its simplicity in installation?
What is a disadvantage of the Ring Topology?
Which network topology is often used in Wide Area Networks (WANs)?
What is an advantage of the Star Topology?
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Which network topology provides maximum fault tolerance?
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What is network topology?
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What type of topology has a central device connecting to multiple devices using separate cables?
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What is the ability of a network to add or remove devices without affecting the entire network?
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What type of topology combines two or more different topologies?
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What type of logical topology transmits data to all devices on the network?
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What is the ability of a network to continue functioning even when one or more devices fail?
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Study Notes
Network Topology
Definition: Network topology refers to the physical and logical arrangement of devices and connections within a computer network.
Types of Topology:
Physical Topology:
- Bus Topology: A single cable connects all devices in a linear sequence.
- Star Topology: A central device connects to multiple devices using separate cables.
- Ring Topology: Devices connect in a circular configuration, and data travels in one direction.
- Mesh Topology: Each device connects to every other device using separate cables.
- Hybrid Topology: Combines two or more different topologies.
Logical Topology:
- Broadcast Topology: Data is transmitted to all devices on the network.
- Point-to-Point Topology: Data is transmitted between two devices.
- Point-to-MultiPoint Topology: Data is transmitted from one device to multiple devices.
Characteristics:
- Scalability: The ability of a network to add or remove devices without affecting the entire network.
- Fault Tolerance: The ability of a network to continue functioning even when one or more devices fail.
- Cost: The cost of implementing and maintaining a network topology.
- Security: The level of security provided by a network topology.
Advantages and Disadvantages:
-
Bus Topology:
- Advantages: Simple to install, requires less cable
- Disadvantages: Failure of the backbone cable affects the entire network
-
Star Topology:
- Advantages: Easy to install and manage, faults are isolated
- Disadvantages: Central device failure affects the entire network
-
Ring Topology:
- Advantages: Provides high-speed data transfer, fault tolerance
- Disadvantages: Difficult to install and maintain, failure of one device affects the entire network
-
Mesh Topology:
- Advantages: Provides maximum fault tolerance, high-speed data transfer
- Disadvantages: Complex to install and maintain, expensive
Real-World Applications:
- Local Area Networks (LANs): Star and bus topologies are commonly used in LANs.
- Wide Area Networks (WANs): Mesh and ring topologies are commonly used in WANs.
- ** Metropolitan Area Networks (MANs):** Ring and bus topologies are commonly used in MANs.
Network Topology
- Network topology refers to the physical and logical arrangement of devices and connections within a computer network.
Types of Topology
Physical Topology
- Bus Topology: A single cable connects all devices in a linear sequence.
- Star Topology: A central device connects to multiple devices using separate cables.
- Ring Topology: Devices connect in a circular configuration, and data travels in one direction.
- Mesh Topology: Each device connects to every other device using separate cables.
- Hybrid Topology: Combines two or more different topologies.
Logical Topology
- Broadcast Topology: Data is transmitted to all devices on the network.
- Point-to-Point Topology: Data is transmitted between two devices.
- Point-to-MultiPoint Topology: Data is transmitted from one device to multiple devices.
Characteristics
- Scalability: Ability of a network to add or remove devices without affecting the entire network.
- Fault Tolerance: Ability of a network to continue functioning even when one or more devices fail.
- Cost: Cost of implementing and maintaining a network topology.
- Security: Level of security provided by a network topology.
Advantages and Disadvantages
- Bus Topology: • Advantages: Simple to install, requires less cable • Disadvantages: Failure of the backbone cable affects the entire network
- Star Topology: • Advantages: Easy to install and manage, faults are isolated • Disadvantages: Central device failure affects the entire network
- Ring Topology: • Advantages: Provides high-speed data transfer, fault tolerance • Disadvantages: Difficult to install and maintain, failure of one device affects the entire network
- Mesh Topology: • Advantages: Provides maximum fault tolerance, high-speed data transfer • Disadvantages: Complex to install and maintain, expensive
Real-World Applications
- Local Area Networks (LANs): Star and bus topologies are commonly used in LANs.
- Wide Area Networks (WANs): Mesh and ring topologies are commonly used in WANs.
- Metropolitan Area Networks (MANs): Ring and bus topologies are commonly used in MANs.
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Description
Learn about the different types of network topologies, including bus, star, ring, and mesh topologies, and how they connect devices in a computer network.
