The use of the multiple functions of switch in access-control can realize the distribution security system, and implement the security management for the network and the users.
利用中心交换机的多种访问控制功能，可构建一个分布式的网络安全交换体系，以实现对网络和用户接入的安全管理。
This paper provides two corresponding solutions: one is role-based access control, the other is effective security management to network system, network data and network users.
另一方面是对网络系统实施有效的安全管理，做好网络数据的备份和网络用户的管理两项工作。
The security problem of network management includes encryption, authentication and access control.
网络管理存在的安全问题包括加密验证、身份认证和访问控制等。
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