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A node is a single workstation present in a computer networking, many node together when combined makes a network.
STAR Topology
yes, network topology does matter to design a network. as we know that topology is a structure of network. without a topology network cannot be designed. we have to consider which topology to use and what does each topology does. different topology have its different features. if you want most secure connection use full mesh topology
The term topology means the configuration of network communication through net connection.
star topology
The answes is no. As in a star topology network all the Workstations are connected to every other workstation in the network. If there are 'n' workstations then each must have 'n-1' links. Hence if a link or a workstation stops functioning then the network won't get disabled. Only that link or workstation will stop functioning and rest of the netword will continue in normal order.
A utp connection between a workstation and a hub
Any connection failure in a bus topology will result in the network becoming unusable due to signal bounce in the affected cable.
Topology
point-to-point
Such topology is called star.
Star Topology is the most common type of network topology that is used in homes and offices. In the Star Topology there is a central connection point called the hub which is a computer hub or sometimes just a switch. In a Star Network the best advantage is when there is a failure in cable then only one computer might get affected and not the entire network.