一个客户需要控制备份数据库的所需要的时间,哪个不需要了解() ["需要备份的数据总量","需要备份的数据类型","客户期望的最大的备份过程所需要的时间","计划备份的天数"]
国家秘密级测绘成果保密期限() ["长期","5年","10年","30年"]
If DB2 detects a deadlock between application A and application B (each waiting for a lock held by the other one), what action will DB2 take?() ["Rollback the transaction in both applications.","Rollback the transaction in one of the two applications.","Decrease the lock timeout value for both applications, thereby causing a lock timeout situation.","Send a message to let the administrator know of the situation and decide which application or applications should be terminated."]
在哪部规章中测绘质量责任制、生产组织准备的质量管理、生产作业过程的质量管理、产品使用过程的质量管理、质量奖惩等作出规定()。 ["《地理信息标准化工作管理规定》","《测绘计量管理暂行办法》","《测绘质量监督管理办法》","《测绘生产质量管理规定》"]
A user has written a script that is not running correctly and asks an administrator for help. Without adding anything to the script, how can the administrator determine the cause of the problem?() ["Run the script with an 'sh -x' in front.","Run the script with a 'ksh -v' in front.","Type debug into the command line before running the script.","Type 'set -x' into the command line before running the script."]
现购进猪腰12千克,单价为24.00元/千克,经加工处理损耗率为20%,猪腰的单位成本是多少?若每份菜肴需净猪腰200克。求该菜肴猪腰的成本是多少?