可以通过策略实现安全措施(包括对部分网络的访问)或控制服务质量。

Security measures, including access to portions of the network, or control over quality of the service, are best addressed through policies.

youdao

通过访问控制服务可以限制对关键资源的访问，防止非法用户的侵入或者因合法用户的不慎所造成的破坏。

The service of access control could limit the access to key resources, prevent illegal users from breaking in and also prevent legal users from destroying these resources inadvertently.

youdao

通过访问控制服务可以限制对关键资源的访问，防止非法用户的侵入或者因合法用户的不慎所造成的破坏。

The service of access control could limit the access to key resources, prevent illegal users from breaking in and also prevent legal users from destroying these resources inadvertently.

youdao