switch
Ports are the elements of the switch to allow connection of other devices to it. The number of ports is one of the basic characteristics of the switches.
hub
The speed with which it works is the same as having the slowest network component.
It has no storage capacity.
router
It can interface with WLANs (Wireless Local Area Network), through wireless devices. Allows connection to the LAN from other networks.
Low Maintenance cost.
Spring into flowering cherry.
electronic devices used in computer systems networking.
all of these produces internet.