What is the purpose of hubs and switches?

Which of the following describes how devices connected to a hub use the speed at which the hub can transmit data? a. ... What purpose does the timestamp serve in a switching table? a. Tells the ... To which device is a wireless access point most similar in how it operates? a. Hub b. Switch c. NIC d. read more

A: Switches and hubs can be equally efficient in processing frames, in theory. In practice, switches are generally more efficient as they usually have more CPU and memory allocated to them, and are generally much more expensive than a simple hub. B: Switches are capable of VLAN configurations, but hubs are not. read more

Hubs do not have the ability to learn MACs and make forwarding decisions as Switches do. The Hub works at Layer 1, the Physical layer, hence, it just deals with signals, it does not do any sort of processing at all on the signals it receives. read more

Technically speaking, hubs operate using a broadcast model and switches operate using a virtual circuit model. When four computers are connected to a hub, for example, and two of those computers communicate with each other, hubs simply pass through all network traffic to each of the four computers. read more