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8 A three tier model most typically is comprised of a clients, se

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8. A three tier model most typically is comprised of: a.
clients, servers, and backup devices b. clients, application
servers, and data servers c. clients, mainframes, and LAN
d. monitor, keyboard and mouse 9. In a client server
situation, a thick client: a. handles both the processing and
the storage of the data b. handles most of the processing
but little of the storage c. handles the communication
protocols necessary to interface with the server d. is a high
speed client 10. Some shortcomings of the relational
model are: a. Each table needs a unique primary key b.
Robust numeric data is not accommodated by the
relational model well c. When a query requires several
tables to be joined performance can degrade d. SQL is not
standardized well enough to be utilized in the global
market place 11. Some of the UML predefined diagrams
include: a. data flow diagrams b. component models c.
entity relationship models d. object oriented models 12. An
attribute in the relational data modeling terminology is a(n)
_____ in OO terminology a. object b. descriptor c. attribute
d. class e. object identifier 13. To uniquely identify an
instance of an object: a. A primary key is established. b.
An attribute along with the table name is used. c. The
value generated by the Object Identification method is
used. d. An object identifier created by the system. 14. It is
believe that OO will lead to increased productivity due to:
a. The inheritance property. b. The reusability of objects.
c. Decreased training needs for programmers. d. Easy
interface to Web applications. 15. Data are raw,
summarized, and analyzed facts a. True b. False 16.
Information is data processed into a meaningful form a.
True. b. False 17. When translating between an OO model
to a relational model a. each attribute maps to one column
b. classes can be mapped vertically (meaning each class
of object becomes its own table that can be linked to its
superclass via a primary key) c. the methods become

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relationships d. The object identification key becomes the
primary key e. foreign keys are deleted 18. With what type
of data does OLAP typically work? a. object oriented b.
summarized c. continuous d. multidimensional 19. A large
snack company wants to start analyzing consumer trends
in specialty potato chip purchasing. To do this you may
suggest that the company use: a. an object-relational
models b. data mining c. data cleansing and extraction d.
rotational and drill down technologies 20. Which of the
following is not a data mining function a. sequential pattern
identification b. clustering c. Prediction d. pattern
recognition e. none of the above
Solution
8. A three tier model most typically is comprised of:
a. clients, servers, and backup devices
b. clients, application servers, and data servers
c. clients, mainframes, and LAN
d. monitor, keyboard and mouse
9. In a client server situation, a thick client:
a. handles both the processing and the storage of the data
b. handles most of the processing but little of the storage
c. handles the communication protocols necessary to
interface with the server
d. is a high speed client

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8. A three tier model most typically is comprised of: a. clients, servers, and backup devices b. clients, application servers, and data servers c. clients, mainframes, and LAN d. monitor, keyboard and mouse 9. In a client server situation, a thick client: a. handles both the processing and the storage of the data b. handles most of the processing but little of the storage c. handles the communication protocols necessary to interface with the server d. is a high speed client 10. Some shortcomings of the relational model are: a. Each table needs a unique primary key b. Robust numeric data is not accommodated by the relational model well c. When a query requires several tables to be joined performance can degrade d. SQL is not standardized well enough to be utilized in the global market place 11. Some of the UML predefined diagrams include: a. data flow diagrams b. component models c. entity relationship models d. object oriented models 12. An attribute in the relational data modeling terminology is a(n) _____ in OO terminology a. object b. descriptor c. attribute d. class e. object identifier 13. To uniquely identify an instance of an object: a. A primary key is established. b. An attribute along with the table name is used. c. The value generated by the Object Identification method is used. d. An object identifier created by the system. 14. It is believe that OO will lead to increased productivity due to: a. The inheritance property. b. The reusability of objects. c. Decreased ...
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