Free DMF-1220 Exam Braindumps
Data Management Fundamentals Questions 251–255 (page: 52)

Updated On: 10-Feb-2026

Data and text mining use a range of techniques, including:

  1. Profiling
  2. Application reduction
  3. Association
  4. Data reduction
  5. Clustering
  6. All of the above

Answer(s): A,C,D,E



The first two steps in the data science process are:

  1. Define Big Data data strategy & Business Need(s)
  2. Choose Data Sources
  3. Develop Data Science Hypotheses and Mehods
  4. Acquire & Ingest Data source(s)

Answer(s): A,B



Input in the Big Data and data science context diagram include:

  1. IT standards
  2. Data sources
  3. Business strategy & goals
  4. Database standards

Answer(s): A,B,C



Data science involves the iterative inclusion of data sources into models that develop insights. Dat science depends on:

  1. Consistency
  2. Rich data sources
  3. Information alignment and analysis
  4. Information delivery
  5. Presentation of findings and data insights
  6. All of the above

Answer(s): B,C,D,E



The language used in file-based solutions is called MapReduce. This language has three main steps:

  1. Map
  2. Shuffle
  3. Free
  4. Terminate
  5. Integrate
  6. Reduce

Answer(s): A,B,F



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