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Software Engineering Question With Answer & Solution

Que. - What is broadcast message communication?

(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.

(D) this pattern is used in ejb persistence mechanism.

Que. - Which of the following is true for a Hierarchical Control architectural pattern?

(A) these design patterns are specifically concerned with communication between objects.

(B) these design patterns concern class and object composition. concept of inheritance is used to compose interfaces and define ways to compose objects to obtain new functionalities.

(C) these design patterns provide a way to create objects while hiding the creation logic, rather than instantiating objects directly using new opreator.

(D) none of the above.

Que. - What is a software product line(SPL) C12?

(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 enables developers to filter a set of objects using different criteria and chaining them in a decoupled way through logical operations.

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

Que. - What happens in a Call/Return pattern?

(A) this pattern allows a user to add new functionality to an existing object without altering its structure.

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

(C) this pattern is primarily used to reduce the number of objects created and to decrease memory footprint and increase performance.

(D) this pattern hides the complexities of the system and provides an interface to the client using which the client can access the system.

Que. - When designing an entity class as a relational table, which of the following is NOT true?

(A) this type of patterns provide a way to create objects while hiding the creation logic, rather than instantiating objects directly using new opreator

(B) this type of patterns concern class and object composition. concept of inheritance is used to compose interfaces and define ways to compose objects to obtain new functionalities.

(D) this type of pattern are specifically concerned with the presentation tier.

Que. - With a Negotiation pattern, which of the following is NOT true?

(A) chain of responsibility

(B) abstract factory

(D) observer

Que. - Yellow pages brokering is useful when a service requester:

(A) it introduces thread safety issue when the singleton instance is instantiated on demand

(B) the client code can creates multiple instances at run time

(D) it makes it easier for a certain family of objects to work together

Que. - What is the difference between an active object and a passive object?

(A) it will be much easier to introduce new family of products

(B) it makes it easier for a certain family of objects to work together

(D) both 2 & 3

Que. - What does the C30software architecture describe?

(A) the structure of the major subsystems of a system

(B) the components and connectors in a software architecture

(D) a recurring architecture used in a variety of systems

Que. - How are feature conditions used in a software product line(SPL) C32 state machine?

(A) file servers

(B) database servers

(D) high end servers

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