A network hub connects multiple computers to make them act as a single segment. It connects to each unit using twisted-pair or fiber-optic cables, joining the cables in a star network configuration. It is also the point of convergence where data is received from source units and then forwarded to one or more destinations. It typically has a switch that selects the circuit path for sending data to its destination.
A passive network hub receives data on a single port and distributes it across all ports. It causes unnecessary traffic and congestion and results in a slower connection. It usually has one 10base-2 port and RJ-45 connectors that connect to the LAN device.
Active hub
An active network hub analyzes the data before forwarding it to make sure it reaches only the intended receiver. It is more expensive than the passive hub, but it offers faster speeds and minimizes data congestion. It comes in different configurations, numbers, and port types.
Managed hub
A managed network hub allows a network administrator to monitor and configure the network from a remote location. Also called a smart hub, it is used for fine-tuning a network's efficiency and allowing certain types of traffic on the network. It allows the administrator to solve network problems quickly.
Flexibility: For greater usage flexibility, look for a network hub with an auto-sensing or dual speed 10/100 capability that allows it to run at both 10 Mbps and 100 Mbps speeds.
Stackable feature: Choose a network hub that can be expanded or stacked together to operate as a single hub.
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