Given: What is the result?（） B。 B, followed by an Exception.。 Compilation fails due to an error on line 9.。 Compilation fails due to an error on line 14.。 An Exception is thrown with no other output.。
结节地域由（）构成。 结节点。 吸引区。 中心地。 外城区。
某水电站工程，经批准的施工进度计划网络图如下图所示
施工中发生了以下事件：
事件1：A工作因设计变更停工10d；
事件2：B工作因施工质量问题返工，延长工期7d；
事件3：E工作因建设单位供料延期，推迟3d施工；
事件4：在设备管道安装气焊作业时，火星溅落到正在施工的地下室设备用房聚氨酯防水涂膜层上，引起火灾。
在施工进展到第120天后，施工项目部对第110天前的部分工作进行了统计检查。
统计数据见下表：
施工现场焊、割作业的防火要求有哪些？
A system administrator receives a new server and has booted the system for the first time. The administrator has set up the terminals and users. The user start to log on. Root is logged in on the console. When additional users start to log in, an error is displayed stating that All available login sessions are in use. Which of the following steps should be followed to resolve this problem?（） Permissions on /etc/security were changed in error; do a chmod 755 on /etc/security directory.。 Increase the number of licenses; using smit chaili cense。 Change the Maximum number of PROCESSES allowed per user variable; using smit chgsys.。 Change User can logi field from false to true: using smit chuser.。
To examine the Exhibit， press the Exhibit button. The system administrator notices a system with routing cannot communicate with a system with an ip address 192.24.34.6. Using the information provided in the exhibit， what is the most likely reason？（） The named is not running。 The default gateway is not set。 The NIS master server is down。 Ipforwarding is not turned o。
A PL/SQL procedure queries only those columns of a redefined table that were unchanged by the online table redefinition. What happens to the PL/SQL procedure after the online table redefinition?（）
