These steps, however, may be useful if a client is available, to check connectivity to databases from a remote system.
但是，如果有客户机的话，这些步骤可能有助于检查远程系统到数据库的连接。
It gives applications access to the network status of the client platform as well as its connectivity to remote resources; it also notifies an implementing application of a change in network state.
它使应用程序能够访问客户机平台的网络状态以及与远端资源的连接性；它也可以将网络状态的变化通知给实现中的应用程序。
It provides users with the capability to determine the current status of the client platform as well as their connectivity to remote servers and HTTP resources including Web services.
它使用户能够确定客户端平台以及远程服务器和HTTP资源(包括Web服务)连接性的当前状态。
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