● (71) is a programming model and an associated implementation for processing and generating big data sets with a parallel, distributed algorithm on a cluster. The model is a specialization of the split-apply-combine strategy for data analysis.

　　(71) A. HDFS B. Chukwa C. MapReduce D. HBase

　　● The IoT architecture can be divided into three layers.  (72) is the key layer to realize the foundational capabilities which support the electronic devices interact with physical world.

　　(72) A. Sensing layer B. Network layer

　　C. Application layer D. Operation layer

　　● Project Integration Management includes the processes and activities　to identify, define, combine, unify, and coordinate the various processes and project management activities within the Project Management Process Groups. (73) process does not belong to Project Integration Management.

　　(73)A. Developing project charter

　　B. Developing project management plan

　　C. Analyzing project risks

　　D.Monitoring and controlling project

　　● In project management and systems engineering, (74 ) is a deliverable-oriented breakdown of a project into smaller components. It is a key project deliverable that organizes the team's work into manageable sections.

　　(74) A. RBS  B. PBS

　　C. GBS  D. WBS

　　● (75) is the sum of all budgets established for the work to be performed.

　　(75) A. CPI  B. BAC  C. SPI  D. EAC