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


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


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


dAll of the mentioned



Which of these is correct with context to coupling?


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


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


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


dAll of the mentioned



Which of the following violates principle of least privilege?


aModules that import packages


bModules with unneeded access to files


cClasses with reference to Objects


dAll of the mentioned


View Answer All of the mentioned

Which of the following information should be kept hidden?


aInternal data representation such as data types and structures


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


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


dInternal data representation and volatile design decisions should be kept hidden



What does Coupling mean?


aCoupling is the degree of connection between pair of module


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


cAll of the mentioned


dNone of the mentioned



Which of these comes under the Modularity principle?


aSmall modules


bCoupling


cCohesion


dAll of the mentioned


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


bThey are not easier to document


cThey are easier to change


dTesting and Debugging is complex comparatively



What is the Aesthetic principle among the following?


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


bA design will be more or less easy to be build


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


dNone of the mentioned



Which of the following fall under constructive design principles?


aModularity principles


bImplementary principles


cAesthetic principles


dAll of the mentioned


View Answer All of the mentioned

Which of these comes under operational attributes?


aPerformance


bAvailability


cReliability


dAll of the mentioned


View Answer All of the mentioned

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