Data Mining 1--SCDL

 Data Mining 1:

LIST OF ATTEMPTED QUESTIONS AND ANSWERS

 Select The Blank
  Question
Semantic integration of ________ genome database is the important task of
DNA analysis.
  Correct Answer
Heterogeneous and distributed
  Your Answer
Heterogeneous and distributed

 Multiple Choice Single Answer
  Question
Main advantage of following which method is it's fast processing?
  Correct Answer
Grid based
  Your Answer
Partioning based

 Select The Blank
  Question
With the widespread option of ________ real-time connection is viable for
data warehouse.
  Correct Answer
TCP/IP
  Your Answer
HTTP

 Select The Blank
  Question
________ are responsible for running queries and reports against data
warehouse tables.
  Correct Answer
End users
  Your Answer
End users

 Multiple Choice Multiple Answer
  Question
Advantages of Wavelet transformation for clustering are :-
  Correct Answer
Unsupervised clustering , Detection of cluster for accuracy , Clustering is
fast
  Your Answer
Unsupervised clustering , Clustering is fast , Decomposition of cluster for
accuracy

 Multiple Choice Single Answer
  Question
Query tool is meant for :-
  Correct Answer
Data acquisition
  Your Answer
Information delivery

 Multiple Choice Single Answer
  Question
Which of the following function involves data cleaning, data standardizing
and summarizing?
  Correct Answer
Transforming data
  Your Answer
Storing data

 Multiple Choice Multiple Answer
  Question
Which of the following clustering analysis method uses multiresolution
approach?
  Correct Answer
STING , Wave Cluster
  Your Answer
STING , Wave Cluster

 Multiple Choice Single Answer
  Question
Which type of following clustering computes augumented cluster ordering?
  Correct Answer
OPTICS
  Your Answer
CLQUE

 Multiple Choice Multiple Answer
  Question
Time variant nature of the data in data warehouse :-
  Correct Answer
Allows for analysis of the past , Relate information to the present ,
Enables forecasts for the future
  Your Answer
Allows for analysis of the past , Relate information to the present ,
Enables forecasts for the future

 True/False
  Question
The Structure that brings all the components together is known as
Architecture.
  Correct Answer
True
  Your Answer
True

 Multiple Choice Multiple Answer
  Question
Data compression is to compress the given data by encoding in terms of :-
  Correct Answer
Association rule , Decision tree , Cluster
  Your Answer
Bytes , Cluster

 Multiple Choice Multiple Answer
  Question
The different definitions of metadata are :-
  Correct Answer
Data about data , Catalog of data , Data warehouse roadmap
  Your Answer
Data about data , Catalog of data , Data warehouse roadmap

 True/False
  Question
A distinct feature of DB Miner is its data cube based online analytical
mining.
  Correct Answer
True
  Your Answer
False

 Multiple Choice Single Answer
  Question
Association rules mining is based on :-
  Correct Answer
Clustering and Employing rules for classification
  Your Answer
Clustering and Employing rules for classification

 True/False
  Question
A distinguishing feature of Clementine is its object oriented extended
module interface.
  Correct Answer
True
  Your Answer
True

 Select The Blank
  Question
________ includes Normalization and Aggregation as data preprocessing
procedures.
  Correct Answer
Data transformation
  Your Answer
Data transformation

 True/False
  Question
To remove noise from data is called as Smoothing.
  Correct Answer
True
  Your Answer
True

 Multiple Choice Single Answer
  Question
Data matrix is :-
  Correct Answer
Object by variable structure
  Your Answer
Object by variable structure

 True/False
  Question
Data updates are common place in an operational database.
  Correct Answer
True
  Your Answer
True

 True/False
  Question
In decision tree internal nodes are denoted by ovals and leaf nodes are
denoted by rectangles
  Correct Answer
False
  Your Answer
True

 True/False
  Question
From a Dataware house perspective data mining canbe viewed as an advanced
stage of Online Analytical Programming.
  Correct Answer
True
  Your Answer
True

 Match The Following
Question
Correct Answer
Your Answer
Disparate data
Production data
Query and analysis
Non volatile data
Query and analysis
Archive data
Data granularity
Level of detail
Level of detail
Data from external source
External data
External data


 Multiple Choice Multiple Answer
  Question
In physical design of data warehouse administration provides features like
:-
  Correct Answer
Avoiding reorganizing of tables , Support backup and recovery , Query
processing
  Your Answer
Support backup and recovery , Manage store area , Query processing

 Select The Blank
  Question
________ is the user who has system access privileges but no database
administration privileges as well as not for table and views.
  Correct Answer
Network administrator
  Your Answer
End user

 Multiple Choice Multiple Answer
  Question
Data mining Functionalities are :-
  Correct Answer
Charactrization and Discrimination , Association Analysis , Cluster Analysis
  Your Answer
Association Analysis , Cluster Analysis , Time series Data Analysis

 Select The Blank
  Question
________ dimension of database in which primitive level data are spatial but
generalization becomes non spatial.
  Correct Answer
Spatial to non spatial
  Your Answer
Spatial to non spatial

 Multiple Choice Multiple Answer
  Question
Source Data Component may be grouped into following categories :-
  Correct Answer
Production Data , Internal External Data
  Your Answer
Internal External Data , Analyzed data , Non Analyzed data

 Select The Blank
  Question
________ technique is the statistical technique for analyzing data.
  Correct Answer
Time series
  Your Answer
Time series

 Multiple Choice Multiple Answer
  Question
The strategies for data reduction are :-
  Correct Answer
Data aggregation , Dimension reduction , Numerocity reduction
  Your Answer
Data aggregation , Dimension reduction , Numerocity reduction

 Multiple Choice Single Answer
  Question
Classification rules are extracted from
  Correct Answer
Decision Tree
  Your Answer
Root-Node

 Match The Following
Question
Correct Answer
Your Answer
Data Mining
Knowledge discovery
Knowledge discovery
Metadata
Roadmap for user
Details of summary
Data storage
Data management
Data management
Data staging
Workbench for data
Workbench for data


 True/False
  Question
Data cube stores multidimensional aggregate information.
  Correct Answer
True
  Your Answer
True

 Select The Blank
  Question
________ is the method used to predict the value of response variable from
one to more variables.
  Correct Answer
Regression
  Your Answer
Regression

 Select The Blank
  Question
________ databases are one of the most poplularly available and rich
information repositories.
  Correct Answer
Relational
  Your Answer
Object oriented

 True/False
  Question
COBWEB is a method of incremental conceptual clustering.
  Correct Answer
True
  Your Answer
True

 Multiple Choice Single Answer
  Question
Many methods for data smoothing are also methods for data reduction
involving :-
  Correct Answer
Discretization
  Your Answer
Clustering

 Multiple Choice Single Answer
  Question
Dimensionality reduction reduces the data set size by removing :-
  Correct Answer
Irrelevant attributes
  Your Answer
Irrelevant attributes

 Multiple Choice Single Answer
  Question
Effect of one attibute value on a given class is independent of values of
other attibute is called
  Correct Answer
Value independence
  Your Answer
Class Conditional independence

 Multiple Choice Single Answer
  Question
Which from the following are special programs that are stored on database
and fired when certain predefined action occurs?
  Correct Answer
Triggers
  Your Answer
Triggers

 Select The Blank
  Question
A web server usually registers ________ entry for every access of a web page
  Correct Answer
Weblog
  Your Answer
Log

 Multiple Choice Single Answer
  Question
Bayes Theorem is :-
  Correct Answer
P(H|X)=P(X|H)(P)/P(X)
  Your Answer
P(H|X)=P(X|H)(P)/P(X)

 True/False
  Question
Visual display can help user to give clear impression and overview of the
data characteristics in a database.
  Correct Answer
True
  Your Answer
True

 Multiple Choice Single Answer
  Question
Which of the following is based on set of density distribution function
clustering?
  Correct Answer
DBSCAN
  Your Answer
DBSCAN

 Multiple Choice Multiple Answer
  Question
Metadata in a data warehouse falls into following categories :-
  Correct Answer
Operational Metadata , Extraction and Transformation metadata , End-user
Metadata
  Your Answer
Operational Metadata , Extraction and Transformation metadata , End-user
Metadata

 Multiple Choice Multiple Answer
  Question
Knowledge discovery process includes :-
  Correct Answer
Data Cleaning , Data Intergration , Data Selectin
  Your Answer
Data Cleaning , Data Intergration , Data Selectin

 Select The Blank
  Question
Human being have around ________ gene.
  Correct Answer
100000
  Your Answer
1000000