1. Which of the following is correct order of empirical cycle of scientific research?
Correct : B. Analysis, prediction, theory, observation.
2. Data mining methodology states that in optimal situation data mining is an _____.
Correct : D. ongoing process.
3. The ___ algorithm can be applied in cleaning data.
Correct : B. pattern recognition.
4. ________ is the type of pollution that is difficult to trace.
Correct : C. Lack of domain consistency.
5. In coding stage of KDD process one should be conscious in ______.
Correct : B. deleting the data.
6. The statement that is true about data mining is ______.
Correct : D. all forms of pollutions are found during the data mining stage itself.
7. The first step in data mining project is ________.
Correct : A. rough analysis of data set using traditional query tools.
8. SQL can find ________ type of data.
Correct : C. shallow data.
9. _______ is used to find relationship between multidimensional data.
Correct : D. OLAP tools.
10. Which one of the following is not true about OLAP?
Correct : B. OLAP is powerful that data mining tool.
11. Association rules are always defined on________.
Correct : A. binary attribute.
12. Neural network are modeled on the ___________.
Correct : C. human brain.
13. ______ built perceptron.
Correct : B. Frank Rosenblatt.
14. The input unit of perceptron is called as_______.
Correct : D. photo receptors.
15. The intermediate layers in a back-propagation network consists of__________.
Correct : C. hidden nodes.
16. The area for exchange of views between biology and computer science is called as__________.
Correct : B. evolutionary computing.
17. Genetic algorithm is viewed as a kind of______.
Correct : A. meta learning strategy.
18. The _________is a knowledge that can be found by using pattern recognition algorithm.
Correct : A. hidden knowledge.
19. The process of finding the right formal representing of a certain body of knowledge in order to represent it in
knowledge based system is__________.
Correct : C. knowledge engineering.
20. The performance of _______is better at problem solving techniques
Correct : D. genetic knowledge.
21. The quality of output depends on ____________.
Correct : A. algorithm that is capable of learning rules.
22. In CAPITANS _________ algorithm is used to predict the pilots behavior.
Correct : B. genetic algorithm.
23. OR methods deals with _______type of data.
Correct : A. quantitative.
24. Shannons notation of information content of message is_______.
Correct : C. log 1divided by n equals minus log n.
25. Which of the following features usually applies to data in a data warehouse
Correct : C. Data are rarely deleted.
26. Which of the following is true
Correct : D. The operational data are used as a source for the data warehouse
27. How do you better define a data warehouse as
Correct : C. Organized around important subject areas.
28. Which of the following is an operational system
Correct : B. A system that is used to run the business in real time and is based on current data.
29. The generic two-level data warehouse architecture includes _______________.
Correct : B. data that can extracted from numerous internal and external sources.
30. Which of the following is reconciled data
Correct : A. Current data intended to be the single source for all decision support systems
31. ________analysis divides data into groups that are meaningful, useful, or both.
Correct : A. Cluster.
32. Which of the following is an extract process
Correct : B. Capturing a subset of the data contained in various operational systems.
33. Which of the following is the not a types of clustering?
Correct : D. Splitting.
34. The load and index is __________.
Correct : D. a process to load the data in the data warehouse and to create the necessary indexes.
35. Data Transformation includes____________.
Correct : A. a process to change data from a detailed level to a summary level.
36. The _____________ is called a multi field transformation.
Correct : A. conversion of data from one field into multiple fields.
37. The type of relationship in star schema is ____________.
Correct : C. one-to-many.
38. Fact tables are _____________.
Correct : C. completely normalized.
39. Which of the following table type belongs to snowflake schema
Correct : B. Dimension.
40. The goal of data mining is _________.
Correct : A. to explain some observed event or condition.
41. Which of the following information systems are used in the daily running of the business
Correct : A. Operational planning systems.
42. Which of the following is not one of the three Cs describing groupware
Correct : D. Compliance.
43. Materials Requirements Planning (MRP) software is an example of an information systems application in which
of the following areas
Correct : A. Operations Management.
44. Which of the following is not one of the three main components in a decision support system
Correct : B. Communications.
45. Business Intelligence and data warehousing is used for which of the following
Correct : D. All of the above.
46. Which of the following is true about ERP software
Correct : A. Simplified support and maintenance through a supplier.
47. Which of the following is an EIS
Correct : B. Executive information system.
48. What is the role of document image processing (DIP) systems
Correct : C. Conversion into digital format.
49. Which of the following uses a series of logically related two-dimensional tables or files to store information in the
form of a database
Correct : D. None of the above.
50. What DBMS component contains facilities to help you develop transaction-intensive applications
Correct : C. Application generation subsystem.
51. Which of the following is a data manipulation tool
Correct : B. Query by example tool.
52. The data administration subsystem helps you perform all of the following, except______.
Correct : D. create, change, and delete information.
53. Which data administration subsystem periodically backs up information contained in a database
Correct : C. Backup and recovery facilities.
54. Which of the following is true of three-tier data warehouses
Correct : A. Once created, the data marts will keep on being updated from the data warehouse at periodic times.
55. Which of the given technology is not well-suited for data mining
Correct : C. Technology limited to specific data types such as numeric data types.
56. What is true about the multidimensional model
Correct : B. It typically requires more disk storage.
57. The most common source of change data in refreshing a data warehouse is__________.
Correct : A. queryable change data.
58. Which of the following statements is not true about refreshing a data warehouse
Correct : D. None of the above.
59. The ________ is responsible for running queries and reports against data warehouse tables.
Correct : C. end users.
60. Query tool is meant for __________.
Correct : A. data acquisition.
61. Which of the following function involves data cleaning, data standardizing and summarizing
Correct : B. Transforming data.
62. Which of the following clustering analysis method uses multi resolution approach
Correct : D. Wave Cluster.
63. Which type of following clustering computes augmented cluster ordering
Correct : A. OPTICS.
64. Data compression is to compress the given data by encoding in terms of _________.
Correct : C. cluster.
65. Which of the following feature is supported by the physical design of data warehouse
Correct : A. Support backup and recovery.
66. Classification rules are extracted from__________.
Correct : B. decision tree.
67. Dimensionality reduction reduces the data set size by removing _________.
Correct : B. irrelevant attributes.
68. ___________is a method of incremental conceptual clustering.
Correct : C. COBWEB.
69. Effect of one attribute value on a given class is independent of values of other attribute is called__________.
Correct : A. value independence.
70. Which of the following are special programs that are stored on database and fired when certain predefined action
occurs
Correct : C. Triggers.
71. The _________ refers to extracting knowledge from larger amount of data.
Correct : D. data mining.
72. ___________ is a knowledge discovery process.
Correct : A. Data cleaning.
73. OLAP is used for __________.
Correct : B. online analytical processing.
74. Maintenance of cache consistency is the limitation of _____________.
Correct : C. MPP.
75. Data warehouse architecture is based on _______________.
Correct : B. RDBMS.
76. Source data from the warehouse comes from ___________.
Correct : A. ODS.
77. The ___________is a data transformation process.
Correct : D. filtering.
78. Technology area associated with CRM is _____________.
Correct : C. personalization.
79. SMP stands for __________.
Correct : A. symmetric multiprocessor.
80. The __________is designed to overcome any limitations placed on the warehouse by the nature of the relational
data model.
Correct : C. multidimensional database.
81. MDDB stands for _________.
Correct : B. multidimensional databases.
82. __________ is data about data.
Correct : A. Metadata.
83. The ___________ is an important functional component of the metadata.
Correct : C. information directory.
84. EIS stands for __________.
Correct : C. executive information system.
85. ____________ is data collected from natural systems.
Correct : A. MRI scan.
86. Which one of the following feature is provided by an effective data visualization tool
Correct : D. Capability to compare data
87. The __________ are inexpensive desktop tools designed for end users.
Correct : B. report writers.
88. ___________is an example of application development environments.
Correct : A. Visual Basic.
89. Which of the following is not an issue related to concept learning
Correct : D. Concept learning.
90. ___________are some popular OLAP tools.
Correct : A. Metacube, informix.
91. Capability of data mining is to build __________ models.
Correct : C. predictive.
92. The _________is a process of determining the preference of customers majority.
Correct : B. preferencing.
93. Which of the following is a process to humanize the mass of data
Correct : A. Visualizing.
94. Strategic value of data mining is___________.
Correct : C. time-sensitive.
95. Which of the following is a data store that is a subsidiary of a data warehouse of integrated data
Correct : A. Data mart.
96. _________proposed the approach for data integration issues.
Correct : B. Ralph Kimball.
97. The terms equality and roll up are associated with___________.
Correct : C. data mart.
98. Exceptional reporting in data warehousing is otherwise called as_______.
Correct : B. alerts.
99. _________ is a metadata repository.
Correct : A. Prism solution directory manager.
100. Which year was the beginning of new generation of machine learning