cs614 data ware house mcq's and quiz by imran g

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Imrangee
CS614 DATA WAREHOUSING
FALL 2010 QUIZ # 1 HELD ON 12 NOV 2010
Question # 1 of 10 Total Marks: 1
Node of a B- Tree is stored in memory block and Traversing a B-tree
involves ____ page faults?
O (n^2)
O (n)
O (n log n)
O (log n)
Question # 2 of 10 Total Marks: 1
The growth of master files and magnetic tapes exploded around the mid
1960
1970
1980
1990
Question # 3 of 10 Total Marks: 1
Is an application of information & data
Intelligence
Education
Knowledge
Power
Question # 4 of 10 Total Marks: 1
Need to synchronize data upon updation is called?
Data Limitation
Data Manipulation
Data Coherence
Data Replication
Question # 5 of 10 Total Marks: 1
Suppose the amount of data recorded in an organization is doubled every
year, this is called?
Linear
Quadratic
Exponential
Logarithmic
Imrangee
Question # 6 of 10 Total Marks: 1
Relational databases allow you to navigate the data in _____ direction that is
appropriate using the primary, foreign key structure?
Forward
One
Backward
Any
Question # 7 of 10 Total Marks: 1
The input to the data warehouse can come from OLTP or transactional
systems or other third party databases.
True
False
Question # 8 of 10 Total Marks: 1
Naturally Evolving Architecture occurred when an organization had a
______ approach to handling the whole process of hardware and software
architecture?
Good
Relaxed
Not Relaxed
None
Question # 9 of 10 Total Marks: 1
____ modeling technique is more appropriate for data warehousing
Dimensional
Physical
Entity Relationship
None
Question # 10 of 10 Total Marks: 1
______ gives total view of an organization?
OLTP
OLAP
Data warehousing
Database

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