Security refers to the defense of network attacks. Security is very important for all systems. The system is established as encryption authority and necessary security measures to ensure system security and safety.<br>In the whole system, first of all to ensure the integrity and consistency of data, need to have regular backup function, at the same time, when the error is damaged, you can reorder the data. To run, additional network security firewalls are required, and the data sent will be encrypted. Of course, designers should also pay attention to the hardware structure of the development system.<br>
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