LIST OF ATTEMPTED QUESTIONS AND ANSWERS
Multiple Choice Single Answer
Question: The key feature that enables users/application to cooperate and collaborate in
application processing is named as :-
Correct Answer: Concurrency
Your Answer: Collaboration
Multiple Choice Multiple Answer
Question: In designing classes, we are improving and enriching the class content in
terms of properties and we screen them for :-
Correct Answer: Local and communication association , Eliminating unnecessary
association , Identifying the relationship, top-down or bottom up, aggregation and
declaring relationship pattern.
Your Answer: Local and communication association , Eliminating unnecessary
association , Identifying the relationship, top-down or bottom up, aggregation and
declaring relationship pattern.
True/False
Question: More use classes may not necessarily bring better understanding or more
clarity.
Correct Answer: False
Your Answer: False
Select The Blank
Question: ________helps to integrate homogeneous database system with multiple
database and data types other than relational data types.
Correct Answer: MDBS
Your Answer: OODBMS
True/False
Question: A state chart diagram shows method of execution on receipt of message and
activities used in the method.
Correct Answer: True
Your Answer: True
True/False
Question: The registration form is filled for each member of family under one address
Correct Answer: True
Your Answer: True
Select The Blank
Question: We extensively use ________ for processing, refining and designing classes.
Correct Answer: UML
Your Answer: UML
Select The Blank
Question: The user must have access to both OODB and RDB to manipulate data. The
developer therefore must develop applications that could source data from ________
databases [ OODB, RDB etc] .
Correct Answer: All
Your Answer: Any two
True/False
Question: When the system is modeled into different case scenarios it not only goes
down to a level of function and features, but also reveals relationships and behaviours
amongst different system components.
Correct Answer: True
Your Answer: True
Multiple Choice Single Answer
Question: The concept of OOPS was first introduced in
Correct Answer: Simula Language
Your Answer: Simula Language
True/False
Question: With its strength, ODBC has become an industry standard for
interoperatability on different databases.
Correct Answer: True
Your Answer: True
Multiple Choice Multiple Answer
Question: The following are the columns to be filled in DVD reservation slip :-
Correct Answer: Name [ title ] , DVD ID , Required date
Your Answer: Name [ title ] , DVD ID , Required date
Select The Blank
Question: The row of table in RDBMS contains data which maps ________ of class in
OODBMS.
Correct Answer: Instance
Your Answer: Instance
Multiple Choice Single Answer
Question: The sequence of states that the object goes through when it receives a message
to act is shown by the diagram called :-
Correct Answer: State chart diagram
Your Answer: Sequence diagram
True/False
Question: Mapping of multiple inheritance into a single table is possible in RDBMS.
Correct Answer: True
Your Answer: True
Multiple Choice Multiple Answer
Question: All OODBMS products namely O2, Objectivity, Object Store and Versant
support following DBMS criteria :-
Correct Answer: User defined datatype , Is_a relationship , Part_of relationship
Your Answer: User defined datatype , Is_a relationship , Part_of relationship
Multiple Choice Single Answer
Question: How big is a class object?
Correct Answer: Is as big as sum of the sizes of its member variables
Your Answer: As big as superclass
Multiple Choice Single Answer
Question: In OOSAD, the object is the unit used for analysis of the system, hence it is
called:-
Correct Answer: OOA [ Object Oriented Analysis ]
Your Answer: OOA [ Object Oriented Analysis ]
Select The Blank
Question: ________ of an object remains unchanged even though its state and properties
change.
Correct Answer: Identity
Your Answer: Identity
Multiple Choice Single Answer
Question: If Dog derives from Mammal, and Mammal derives from Animal, then -
Correct Answer: Dog inherits Animal's functions and data
Your Answer: Dog inherits Animal's functions and data
Multiple Choice Single Answer
Question: The lock that cause interruption of the program when a new value is
committed in OODB is called :-
Correct Answer: Notify lock
Your Answer: Notify lock
True/False
Question: UML supports both static modeling and dynamic modeling
Correct Answer: True
Your Answer: True
Multiple Choice Single Answer
Question: In Object Oriented technology following expression is appropriate
Correct Answer: object=data+menthods
Your Answer: object=data+menthods
Multiple Choice Multiple Answer
Question: In context of transactions, OODBMS :-
Correct Answer: Handle nested transactions , Supports MROW , Supports long
transactions
Your Answer: Handle nested transactions , Supports MROW , Supports long
transactions
Multiple Choice Single Answer
Question: The lock that ensures that no other transaction is commited till the transaction
is in the mode of updation and creation of new version of object, is called
Correct Answer: Write Lock
Your Answer: Write Lock
Match The Following
Question Correct Answer: Your Answer
Class Shape Triangle, rectangle, circle, ellipse Triangle, rectangle, circle, ellipse
Class Vehicle Scooter, car, truck, tractor Scooter, car, truck, tractor
Class Animal Cat, dog, cow, tiger Cat, dog, cow, tiger
Class Color Red, yellow, blue, green Red, yellow, blue, green
Multiple Choice Multiple Answer
Question: Various database packages are :-
Correct Answer: Sibase , SAP , Oracle
Your Answer: Oracle , Sibase
Select The Blank
Question: When you express user-system interaction, the scenario in the model is called
________
Correct Answer: Case model
Your Answer: OOPS model
Multiple Choice Single Answer
Question: In DAD, the domain-specific & organisation-specific terms are covered under
the title :-
Correct Answer: Features
Your Answer: Features
Multiple Choice Single Answer
Question: In the railway transport environment, the same train [ train name, number etc ]
leave everyday from one station to the other. But in their operations, dates, drivers,
passengers etc differ every day. This pattern is called :-
Correct Answer: Abstraction-Occurrence Pattern
Your Answer: Abstraction-Occurrence Pattern
Select The Blank
Question: A class is the________ for an object.
Correct Answer: Template
Your Answer: Instance
True/False
Question: The principle of polymorphism helps to extend and modify the system scope
through appropriate messaging mechanism.
Correct Answer: True
Your Answer: True
Multiple Choice Multiple Answer
Question: Access to other OODBMS comprises of :-
Correct Answer: Read data resident in other OODB , Modify data resident in other
OODB , Read data resident on RDBMS
Your Answer: Read data resident in other OODB , Modify data resident in other OODB
True/False
Question: The UI should be designed for blind and mechanical operation.
Correct Answer: True
Your Answer: False
Multiple Choice Multiple Answer
Question: The main function will have following contents in C++
Correct Answer: Name of class followed by name of object , Name of object and
method separated by dot operator. , Variable declaration
Your Answer: Name of class followed by name of object , Name of object and method
separated by dot operator. , Header files
Multiple Choice Single Answer
Question: The method for industrial development of software based on use-case-driven
design is
Correct Answer: OOSE [ Object Oriented Software Engineering ]
Your Answer: OOD [ Object Oriented Design ]
Multiple Choice Multiple Answer
Question: OODBMS standards comprise of :-
Correct Answer: ODL , OQL , ODMG C++ binding
Your Answer: ODL , OQL
Multiple Choice Single Answer
Question: The main difference between structure and class is
Correct Answer: Structure does not support OOPS Class Supports OOPS.
Your Answer: Structure comprises of dissimilar datatypes. Class comprises of similar
datatypes.
Multiple Choice Single Answer
Question: The class and its hierarchy build through inheritance should lead to a :-
Correct Answer: Single purpose class
Your Answer: Super class
Multiple Choice Multiple Answer
Question: A first step in design is to construct a static UML class diagram consisting of:-
Correct Answer: Class name , Attributes , Methods
Your Answer: Class name , Attributes , Methods
True/False
Question: Sequence diagrams and collaboration diagrams are very difficult to select
classes and objects.
Correct Answer: False
Your Answer: False
Multiple Choice Multiple Answer
Question: The solution to simplicity of design lies in the following factors :-
Correct Answer: Class design , Building hierarchy , Grouping classes in aggregate sets
that have similar characteristics.
Your Answer: Class design , Building hierarchy , Grouping classes in aggregate sets that
have similar characteristics.
Multiple Choice Single Answer
Question: The purpose of declaring 'private' is :-
Correct Answer: Data hiding from accidental changes
Your Answer: Operator overloading
Select The Blank
Question: Invoice and ________ are two classes in the noun phrase approach .But
Amount is an attribute in invoice, hence should be rejected for class consideration.
Correct Answer: Amount
Your Answer: Amount
Match The Following
Question Correct Answer: Your Answer
Standard procedure Method Method
Table Scheme representing complex relationships between entities Scheme
representing complex relationships between entities
Column Refers datatype and name Refers datatype and name
Row Refers data for single entry Refers data for single entry
Multiple Choice Multiple Answer
Question: In Railway Reservation and Ticketing system, we can call following
parameters as attributes of class Passenger :-
Correct Answer: Name , Age , Sex
Your Answer: Name , Age , Sex
Multiple Choice Single Answer
Question: In DAD, the information providers such as users, customers, vendors and
stakeholders paly a role of
Correct Answer: Participants
Your Answer: Participants
