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在linux环境下安装oracle11g

access layer The layer that feeds traffic into the network and performs network entry control. End users access the network via the access layer. access A that provides remote access to a corporate intranet or extranet over a shared infrastructure with the same policies as a private network. accounting (auditing) The process of keeping track of a user’s activity while accessing a network’s resources, including the amount of time spent in the network, the services accessed while there, and the amount of data transferred during the session. ACL (access control list) A set of data that informs a computer’s operating system which permissions, or access rights, that each user or group has to a specific system object, such as a directory or file. A means for controlling or limiting network traffic. An ACL compares different criteria to a defined rule set.