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What do you know about Data Mining? - Part 1

  1. Question 1: ________ is a loss-free, historical, subject-oriented, comprehensive, data-driven set of data for managing, providing information in a timely, accurate, and Time is the foundation for building data analysis applications, supporting organizational decision making
    1. Data structure - Data structure
    2. Data warehouse - Data warehouse
    3. Data base - Database
    4. Data analytics - Data analysis
  2. Question 2: Which technique is OLAP abbreviated?
    1. Online Advanced Program
    2. Online Analytical Program
    3. Online Advanced Processing
    4. Online Analytical Processing
    Online Analytical Processing - Processing online data analysis.
  3. Question 3: OLTP is the abbreviation of any technique?
    1. Online Transaction Processing
    2. Online Transaction Program
    3. Oracle Transaction Processing
    4. Online Terminal Processing
  4. Question 4: In data mining, slice operation (slice) helps users analyze data in several dimensions?
    1. One-way.
    2. Two-way.
    3. Multi-dimensional depending on user requirements.
    4. There is no right answer.
  5. Question 5: In data mining, block cutting operation (dice) helps users analyze data on several dimensions?
    1. One-way.
    2. Two-dimensional right.
    3. Two-way or more.
    4. There is no right answer.
  6. Question 6: How long does it take to expect Data warehouse to use?
    1. 1-2 years
    2. 3-4 years
    3. 5-6 years
    4. 5-10 years
  7. Question 7: ________ predicts future trends and behaviors, assisting managers to make decisions that affect business operations.
    1. Data warehouse - Data warehouse
    2. Data mining - Data mining
    3. Datamart - Local data warehouse
    4. Metadata - Metadata
  8. Question 8: Data in the Data Warehouse is ________ data.
    1. Just read.
    2. Edit only by overwriting old content.
    3. Only edit by writing to the old content.
    4. Read only and edit
  9. Question 9: DSS is the abbreviation of any system in Data Warehouse?
    1. Decision Support System.
    2. Decision Single System.
    3. Data Storable System.
    4. Data Support System.
    Decision Support System - Decision support system
  10. Question 10: What are the basic characteristics of Data warehouse?
    1. Subject-oriented (subject-oriented).
    2. Integrity (Integrated).
    3. Immutability (Nonvolatile).
    4. All the answers above.
  11. Question 11: Choose the correct answer:
    Select and explain the data mining function.
    1. It's correct
    2. False
  12. Question 12: Data is stored, retrieved and updated in ________.
    1. OLAP
    2. OLTP
    3. SMTP
    4. FTP
  13. Question 13: ________ describe the data contained in the Data Warehouse - Data Warehouse.
    1. Relational data - Relational data
    2. Operational data - Operational data
    3. Metadata - Metadata
    4. Informational data - Informational data
  14. Question 14: Record, data cannot be updated in ________.
    1. OLTP
    2. File
    3. RDBMS
    4. Data Warehouse
  15. Question 15: ________ is the bridge between data warehouse and decision support application.
    1. Logical data - Logical data
    2. Complex data - Complex data
    3. Nominal data - Nominal data
    4. Metadata - Metadata
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