The stack is the connection between the backplanes, making several switches into a whole. A cascade is a connection to a port. Cascades are Shared, stacks are exclusive. Cascades are connected to other switches through one port of the switch, while stacks are connected through the back of the switch. Although both cascades and stacks can expand the number of ports, each switch or switch after cascades is still logically a plurality of devices managed by the network, while the stacked switches or switches are logically a single device managed by the network.

New Year new atmosphere, new course! The third training course of TOP-TEK Training Institute (the training cycle is one year) was successfully held on 09:30, January 12, 2020. Making still further progress, based on the present, laying a solid foundation, looking forward to the future, and striving ahead, TOP-TEK Training College will continue to build on the past, keep pace with the rapid development of the company, contribute to the cultivation of talents, the establishment of a learning organization, give full play to the hematopoietic function of the enterprise, and create an outstanding enterprise training college in the industry!