Data Mining & Data Ware House Questions and Answers

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Q31
Decision trees is
  • A A family of relational database management systems marketed by IBM
  • B Interactive systems that enable decision makers to use database and models on a computer in order to solve ill-structured problems
  • C It consists of nodes and branches starting from a single rot node. Each node represents a test, or decision.
  • D None of these
Answer: Option C
Q32
Deep knowledge referred to
  • A It is hidden within a database and can only be recovered if one is given certain clues be recovered if one is given certain clues (an example IS encrypted information)
  • B the process of executing implicit previously unknown and potentially useful information from dat(A)
  • C An extremely complex molecule that occurs in human chromosomes and that carries genetic information in the form of genes.
  • D None of these
Answer: Option A
Q33
Discovery is
  • A It is hidden within a diatabase and can only be recovered if one is given certain clues (an example if one is given certain clues (an example IS encrypted information).
  • B The process of executing implicit previously unknown and potentially useful information from dat(A)
  • C An extremely complex molecule that occurs in human chromosomes and that carries genetic information in the form of genes.
  • D None of these
Answer: Option B
Q34
DNA (Dexoyribonucleic acid)
  • A It is hidden within a database and can only be recoverd if one is given certain clues (an example IS encrypted information).
  • B The process of executing implicit previously unknown and potentially useful information from dat (A)
  • C An extremely complex molecule that occurs in human chromosomes and that carries genetic information in the form of genes.
  • D None of these
Answer: Option C
Q35
Enrichment is
  • A A stage of the KDD process in which new data is added to the existing selection
  • B The processo of finding solution for a pssible solutions according to some pre-defined order and then testing them.
  • C The distance between two points as calculated using the Pythagoras theorem.
  • D None of these
Answer: Option A
Q36
Enumeration is referred to
  • A A stage of the KDD process in which new data is added to the existing selection
  • B The process of finding a solution for a problem simply by enumerating all possible solutions according to some pre-defined order and then testing them
  • C The distance between two points as calculated using the Pythagoras theorem.
  • D None of these
Answer: Option B
Q37
Euclidean distance measure is
  • A A stage of the KDD process in which new data is added to the existing selection
  • B The process of finding a solution for a problem simply by enumerating all possible solutions according to some pre-defined order and then testing them.
  • C The distance between two points as calculated using the Pythagoras theorem
  • D None of these
Answer: Option C
Q38
Heuristic is
  • A A set of databases from different vendors, possibly using different database paradigms
  • B An approach toa a problem that is not guaranteed to work but performs well in most cases
  • C Information that is hidden in a database and that cannot be recovered by a simply SQL query.
  • D None of these
Answer: Option B
Q39
Heterogeneous databases referred to
  • A A set of database from different vendors, possibly using different database paradigms
  • B An approach to a problem that is not guaranteed to work but performs well in most cases
  • C Information that is hidden in a database and that cannot be recovered by a simply SQL query
  • D None of these
Answer: Option A
Q40
Hidden knowledge referred to
  • A A set of database from different vendors, possibly using different database paradigms
  • B An approach to a problem that is not guaranteed to work but performs well in most cases
  • C Information that is hidden in a database and that cannot be recovered by a simple SQL query
  • D None of these
Answer: Option C

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