Q 1 - Which of the following is correct about Factory design pattern.

A - This type of design pattern comes under creational pattern.

B - Factory pattern creates object without exposing the creation logic to the client.

C - Factory pattern refers to newly created object using a common interface.

D - All of the above.

Q 2 - Which of the following describes the Bridge pattern correctly?

A - This pattern builds a complex object using simple objects and using a step by step approach.

B - This pattern refers to creating duplicate object while keeping performance in mind.

C - This pattern is used when creation of object directly is costly.

D - This pattern is used when we need to decouple an abstraction from its implementation so that the two can vary independently.

Q 3 - Which of the following describes the Composite pattern correctly?

A - This pattern builds a complex object using simple objects and using a step by step approach.

B - This pattern is used where we need to treat a group of objects in similar way as a single object.

C - This pattern hides the complexities of the system and provides an interface to the client using which the client can access the system.

D - This pattern is primarily used to reduce the number of objects created and to decrease memory footprint and increase performance.

Q 4 - Which of the following pattern is primarily used to reduce the number of objects created and to decrease memory footprint and increase performance?

A - Composite Pattern

B - Facade Pattern

C - Flyweight Pattern

D - Decorator Pattern

Q 5 - Which of the following pattern a request is wrapped under an object as command and passed to invoker object?

A - Proxy Pattern

B - Chain of Responsibility Pattern

C - Command Pattern

D - Interpreter Pattern

Q 6 - Which of the following describes the Visitor pattern correctly?

A - In this pattern, a visitor class is used which changes the executing algorithm of an element class.

B - This pattern is used to separate application's concerns.

C - This pattern is used to decouple presentation tier and business tier.

D - This pattern is used in EJB persistence mechanism.

Q 7 - Which of the following pattern is used to separate low level data accessing API or operations from high level business services?

A - DAO Pattern

B - Front Controller Pattern

C - Intercepting Pattern

D - Service Locator Pattern

Q 8 - Which of the following pattern involves a single class which is responsible to create an object while making sure that only single object gets created?

A - Factory Pattern

B - Abstract Factory Pattern

C - Singleton Pattern

D - Transfer Object Pattern

Q 9 - Which type of design patterns are specifically concerned with the presentation tier?

A - Creational Design Patterns

B - Structural Design Patterns

C - Behavioral Design Pattern

D - J2EE Design Patterns

Q 10 - Which of the following is the correct list of entities of DAO pattern?

A - Data Access Object Interface, Data Access Object concrete class, Model Object or Value Object

B - Data Access Object Interface, Model Object or Value Object

C - Data Access Object Interface, Data Access Object concrete class

D - Data Access Object concrete class, Model Object or Value Object