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Design , implementation and management of secured lan

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par Eliud Ir. Eliud Aganze
Jomokenyatta university of agriculture and technology - B.sc information technology 2014
  

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2.3. 4.4.3.1 Star topology

In a star topology, the hub or switch is placed in the logical center of the network. The remaining network devices are connected to this central hub like the points on a star.

2.4. 4.4.3.2 Bus topology

A bus topology is a linear configuration. It places all of the network devices on one length of cable, similar to stops on a city bus route. The hubs, server, stations and peripheral devices all use the same continuous length of transmission channel.

2.5. 4.4.3.3 Ring topology

A ring topology places all of the network devices in a circle. It uses one transmission channel to connect all devices. Each device is connected to the next one. The last device is connected to the first closing the circle.

2.6. 4.4.3.4 Flat Network

In a flat network all connecting devices are on the same level

Table of advantages and disadvantages

 

Star

Bus

Ring

Advantages

ü fault easy to locate and isolate

ü central management

ü Adaptable to environment changes

ü Easy to expand and add devices

No reliance on central device

Disadvantages

Single point of failure

Lack of central control

Single point of failure

Device can be added only when the network is inoperative

Table 4.1. Comparison between network topologies

Figure 4.3. Flat network

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Bitcoin is a swarm of cyber hornets serving the goddess of wisdom, feeding on the fire of truth, exponentially growing ever smarter, faster, and stronger behind a wall of encrypted energy








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