你好，供你参考：Abstract: Based on the basic knowledge of Computer Network Security, this paper analysed on the elements affecting the computer network security, came up with three sorts of techniques that address network security, compared technical features of all kinds and potential risks relating to network security or performance loss and finally analysed on the classification of Information exchange encryption By developing the PKI technology-the key technology in network information technology, the this paper gave full explanation on the constitution of the security Key words: Network security, Firewall, encryption technique
静静19811215
