Software Architecture Design Mcqs

Page No. 18

Which of these is correct with the context of cohesion?


aCohesion is least in modules that have a single clear, logically independent responsibility or role

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bCohesion can not be achieved by forming modules that implement data types

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cOne way to increase cohesion is to build a module hierarchy reflecting the level of abstraction in a program

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dAll of the mentioned

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Which of these is correct with context to coupling?


aFailure to hide information leads to loose coupling and cannot be avoided

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bModules that communicate using special data types and structures are less tightly coupled than modules with simple values

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cWhen modules communicate only through public module interface, their coupling strength is proportional to the number of messages and number of data passed in between

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dAll of the mentioned

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Which of the following violates principle of least privilege?


aModules that import packages

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bModules with unneeded access to files

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cClasses with reference to Objects

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dAll of the mentioned

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View Answer All of the mentioned

Which of the following information should be kept hidden?


aInternal data representation such as data types and structures

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bVolatile design decisions such as size, capacities, waiting time etc

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c Names, parameters, return types of operations provided by module

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dInternal data representation and volatile design decisions should be kept hidden

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What does Coupling mean?


aCoupling is the degree of connection between pair of module

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b Coupling is the degree to which a module’s part are related to one another

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cAll of the mentioned

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dNone of the mentioned

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Which of these comes under the Modularity principle?


aSmall modules

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bCoupling

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cCohesion

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dAll of the mentioned

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View Answer All of the mentioned

Which of these distinctions of modular programs over non modular are true?


aThey are not that easier to understand and explain

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bThey are not easier to document

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cThey are easier to change

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dTesting and Debugging is complex comparatively

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What is the Aesthetic principle among the following?


aHigh quality programs can be constructed from self contained, understandable parts or modules

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bA design will be more or less easy to be build

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cBeauty is one of the important factor to be acknowledged as design principle

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dNone of the mentioned

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Which of the following fall under constructive design principles?


aModularity principles

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bImplementary principles

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cAesthetic principles

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dAll of the mentioned

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View Answer All of the mentioned

Which of these comes under operational attributes?


aPerformance

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bAvailability

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cReliability

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dAll of the mentioned

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View Answer All of the mentioned

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