● ( ) 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.

A. HDFS B. Chukwa C. MapReduce D. HBase

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

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. ( ) process does not belong to Project Integration Management.

A. Developing project charter

B. Developing project management plan

C. Analyzing project risks

D.Monitoring and controlling project

● In project management and systems engineering, ( ) 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.

A. RBS  B. PBS

C. GBS  D. WBS

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

A. CPI  B. BAC  C. SPI  D. EAC

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