Software Architecture Design Mcqs

Page No. 52

Which of the following strategies include prevention,detection of threats?


aAn authentication server may be placed outside users and the portion of the system that provides services


bNetwork monitors may be installed for the inspection and logging of network events


c The system may be placed behind a communications”firewall”


dAll of the mentioned


View Answer All of the mentioned

Which among the following are the types of threats that are generally observed?


aDenial Service


b IP source address spoofing


cDenial source


dDenial Service & IP source address spoofing



What is security?


aSecurity is a measure of the system’s ability to resist authorized attempts at usage


bSecurity is Denial of service while still providing its services to legitimate users


cSecurity is systems functionality to interact


d All of the mentioned



How can performance attribute calculated?


aPerformance are number of transactions per unit time


bPerformance are number of events processed in some interval of time


cAll of the mentioned


dNone of the mentioned


View Answer All of the mentioned

Which of the following is incorrect for performance?


aPerformance refers to the responsiveness of the system


bPerformance qualities are often expressed as number of transaction per unit time


cPerformance can be measured by looking at the arrival rates and distributions of service requests


dAll of the mentioned


View Answer All of the mentioned

Which of the following factors are discernable by run-time?


aPerformance


bModifiability


cPortability


dIntegrability


View Answer Performance

Which of the following are the several architectural issues for system’s testability?


aIts level of architectural documentation


bIts separation of concerns


cThe degree to which the system uses information hiding


d All of the mentioned



What is true for a system to be proper testable?


aIt must be possible to control each components internal state and then observe its output


bIt must be possible to control each components output and then observe its internal state


cit may or may not be possible to control each components internal state and then observe its output


dNone of the mentioned



Which concepts is testability related to?


a Observability


b Controllability


cAll of the mentioned


dNone of the mentioned


View Answer All of the mentioned

What is Testability?


aIt is ability of system to run into different environments


bIt is ease with which software can be made to demonstrate faults


cIt is ability to make the separately developed component of the system to work correctly together


dNone of the mentioned



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