FAQs on Network Topology Part - 3(Detailed ) for Specialist Officer (Computer Awareness)

Question 1

1. What is a network topology?

Accepted Answer

Ans. Network topology refers to the physical or logical arrangement of network devices and the way they are interconnected. It defines how the network is structured and how data flows between different nodes or devices.

Question 2

2. What are the different types of network topologies?

Accepted Answer

Ans. There are several types of network topologies, including:- Bus Topology: In this topology, all devices are connected to a common communication medium, like a single cable.- Star Topology: In this topology, all devices are connected to a central device, like a switch or hub.- Ring Topology: In this topology, devices are connected in a circular manner, forming a closed loop.- Mesh Topology: In this topology, all devices are connected to each other, creating multiple paths for data transmission.- Tree Topology: In this topology, devices are arranged in a hierarchical structure, resembling a tree.

Question 3

3. What are the advantages of a star topology?

Accepted Answer

Ans. The advantages of a star topology include:- Easy to manage and troubleshoot: Since each device is connected to a central device, it is easier to identify and fix any issues.- Scalability: New devices can be easily added to the network without affecting the existing connections.- Better performance: With dedicated connections between devices and the central device, the network can provide faster data transmission speeds.- Isolation: If one device fails, it does not affect the rest of the network.

Question 4

4. What is the main disadvantage of a bus topology?

Accepted Answer

Ans. The main disadvantage of a bus topology is that it can suffer from a single point of failure. If the main cable or backbone fails, the entire network becomes inaccessible. Additionally, as more devices are added to the network, the performance can degrade due to increased collisions and traffic congestion on the shared communication medium.

Question 5

5. Which network topology is suitable for large networks with high reliability requirements?

Accepted Answer

Ans. Mesh topology is suitable for large networks with high reliability requirements. In a mesh topology, every device is connected to every other device, creating redundant paths for data transmission. This redundancy ensures that even if one or more connections fail, the network can still function properly. However, implementing a mesh topology can be expensive and complex, as it requires a large number of physical connections.

Network Topology Part - 3(Detailed ) for Specialist Officer (Computer Awareness)

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