SENG 438 FINAL EXAM REVIEW
QUESTIONS AND ANSWERS GRADED A+
2026
What affects software quality? - ANS Quality, Cost, Time
Time - ANS Meeting project deadline and reaching the market at the right time
Cost - ANS Meeting the anticipated project costs
Quality (reliability) - ANS Working fine for the designated period on the designated system
Service - ANS A system's behaviour as it is perceived by its users.
Correct service is delivered when the service implements the system function.
Delivery of incorrect service is a system outage.
Error - ANS Human action that results in software containing a fault.
Fault (bug) - ANS Cause for either a failure of the program or an internal error. It must be
detected and removed.
Failure - ANS The only one of the 3 factors that is observable.
@COPYRIGHT 2026/2027 ALLRIGHTS RESERVED 1
, An event that occurs when the delivered service deviates from correct service.
Failure Mode - ANS The manner n which a fault occurs
Failure Effect - ANS The consequence(s) of a failure mode on an operation, function, status of
a system/process/activity/environment. The undesirable outcome of a fault of a system element
in a particular mode.
Error - ANS A discrepancy between a computed, observed, or measured value or condition
and the true, specified, or theoretically correct value or condition.
A human action that results in software containing a fault
Availability - ANS Readiness for correct service
Reliability - ANS Continuity of correct service
Safety - ANS Absence of catastrophic consequences on the users and the environment.
Confidentiality - ANS Absence of unauthorized disclosure of information
Integrity - ANS Absence of improper system state alterations
Maintainability - ANS Ability to undergo repairs and modifications
Validation - ANS Checking whether they system meets the customer's actual needs.
Building the right product.
Verification - ANS Whether the system is well-engineered, bug free, etc.
Building the product right
@COPYRIGHT 2026/2027 ALLRIGHTS RESERVED 2
QUESTIONS AND ANSWERS GRADED A+
2026
What affects software quality? - ANS Quality, Cost, Time
Time - ANS Meeting project deadline and reaching the market at the right time
Cost - ANS Meeting the anticipated project costs
Quality (reliability) - ANS Working fine for the designated period on the designated system
Service - ANS A system's behaviour as it is perceived by its users.
Correct service is delivered when the service implements the system function.
Delivery of incorrect service is a system outage.
Error - ANS Human action that results in software containing a fault.
Fault (bug) - ANS Cause for either a failure of the program or an internal error. It must be
detected and removed.
Failure - ANS The only one of the 3 factors that is observable.
@COPYRIGHT 2026/2027 ALLRIGHTS RESERVED 1
, An event that occurs when the delivered service deviates from correct service.
Failure Mode - ANS The manner n which a fault occurs
Failure Effect - ANS The consequence(s) of a failure mode on an operation, function, status of
a system/process/activity/environment. The undesirable outcome of a fault of a system element
in a particular mode.
Error - ANS A discrepancy between a computed, observed, or measured value or condition
and the true, specified, or theoretically correct value or condition.
A human action that results in software containing a fault
Availability - ANS Readiness for correct service
Reliability - ANS Continuity of correct service
Safety - ANS Absence of catastrophic consequences on the users and the environment.
Confidentiality - ANS Absence of unauthorized disclosure of information
Integrity - ANS Absence of improper system state alterations
Maintainability - ANS Ability to undergo repairs and modifications
Validation - ANS Checking whether they system meets the customer's actual needs.
Building the right product.
Verification - ANS Whether the system is well-engineered, bug free, etc.
Building the product right
@COPYRIGHT 2026/2027 ALLRIGHTS RESERVED 2
