The design of small household appliances is one of the basic activities of human beings to transform nature. Design is a complex thinking process, which contain...
There is a general need to improve and innovate existing products. It seems that there is no room for new appliances. The general process is:1、 Process1. Concei...
The main functions of the switch include physical addressing, network topology, error checking, frame sequence and flow control. At present, switches also have ...
The switch, especially the access layer switch, is the equipment that we contact most in daily network fault maintenance. They are bridges between users and swi...
(1) Transmission speedThe transmission speed of the switch refers to the data exchange speed of the switch port, which is commonly 10Mbps, 100Mbps, 1000Mbps, et...
OSI 7-layer modelApplication layer: provide network services for applications.Presentation layer: provides encoding and conversion functions for application lay...
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