most cost effective network topology?
Answers
Answer:
All network topologies are effective live MAN,LAN,PAN,WAN,etc.
Most effective is WAN.
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Answer:
Explanation:
LAN Network topologies:
Network topology is the name given to the way in which the devices (called nodes) are physically connected in a network.
There are three common network topologies, called ring, line (bus) and star.
You will be expected to briefly describe the features of each one, know their advantages and draw simple line diagrams to represent then.
Ring topology:
Network topologies - a RING networkIn a ring topology, the nodes are connected in a ring and data travels in one direction using a control signal called a 'token'.
Advantages:
Not greatly affected by adding further nodes or heavy network traffic as only the node with the 'token' can transmit data so there are no data collisions.
Relatively cheap to install and expand.
Disadvantages:
Slower than a star topology under normal load.
If the cable fails anywhere in the ring then the whole network will fail.
If any node fails then the token cannot be passed around the ring any longer so the whole network fails..
The hardest topology to troubleshoot because it can be hard to track down where in the ring the failure has occurred.
Harder to modify or expand because to add or remove a node you must shut down the network temporarily.
In order for the nodes to communicate with each other they must all be switched on.
Bus (line) topology:
Network topologies - a BUS (LINE) networkNodes are connected to a main (bus) cable. If data is being sent sent between nodes then other nodes cannot transmit. If too many nodes are connected then the transfer of data slows dramatically as the nodes have to wait longer for the bus to be clear.