NIC (Network Interface Card) - hardware required to connect to a network
Client Server Network - network organisation that consists of several clients and multiple servers (like Print, File, Web) and the clients access and uses the resources available on them.
Network topologies consist of communications channel and nodes (computers)
each has its own advantages and disadvantages
Network Topology Node Failure Channel Failure
Bus no overall effect network failure
Star central node - yes, one node is effected
Ring unless there is a bypass network failure
Mesh/
Fully Connected Mesh no commuincation with node none! several routes that data can take
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