当前位置:首页 → 计算机类 → 软件水平考试 → 中级数据库系统工程师->以下关于MapReduce技术的说法中,不正确的是( )。
以下关于MapReduce技术的说法中,不正确的是( )。
MapReduce的计算过程分解为两个主要阶段:Map阶段和Reducel阶段,在同等硬件条件下,MapReduce的性能远低于并行数据库。MapReduce中存在数据chunk的冗余复制。
在几种不同类型的软件维护中,通常情况下()所占工作量最大。
在()中,项目经理的权力是最小的。
在项目实施的过程中,项目经理通过项目周报中的项目进度分析图表发现机房施工进度有延期风险。项目经理立即组织相关人员进行分析,下达了关于改进措施的书面指令。该指令属于( )
The IT service manager resigns from a project that meets the scheduleand budget. After hiring an alternativenew manager, the team is opposed to the comments from the new manager. The team is at () developmentstages。
()is closet to Deming's definition of Quality。
The IT service manager has learned that a software canimprove the efficiency of current and future project tasks. Because the software is fresh to the Company. Theengineer is not familiar with the software. The lT service manager decides to send the highest level engineero attend the external training course. The proiect manager uses () risk strategies。
The process control charts are used ()。