Objective: Non-Functional Characteristics and Quality in Use CT-ACT Practice Questions (Page 4)

Questions 16–20

1. 16foundation · easy

   What is the primary purpose of acceptance testing for non-functional requirements?

   • ATo estimate the cost of the system
   • BTo verify that the system meets specified non-functional criteria such as performance and security
   • CTo identify all defects in the system
   • DTo replace functional testing
   Reveal Solution Discussion Select an answer first
2. 17expert · hard

   An acceptance team is testing a new mobile banking app. The business requires that the app be usable by customers with visual impairments, support transactions within 3 seconds on a 4G connection, and protect customer data from unauthorized access. The team has limited time and budget. Which approach best balances the need to verify all three requirements?

   • APerform a single combined test that measures usability, performance, and security simultaneously
   • BConduct usability testing with visually impaired users, performance testing under 4G conditions, and security testing for access controls
   • CDefer usability testing to post-release because it is less critical than performance and security
   • DFocus only on security testing because data protection is the most critical requirement
   Reveal Solution Discussion Select an answer first
4. 18application · medium

   A retail company is acceptance-testing a new point-of-sale (POS) system. The acceptance criteria include: (1) the system must be usable by staff with minimal training, (2) the system must process a sale in under 5 seconds, and (3) the system must continue operating during a network outage. Which non-functional characteristics are being verified?

   • AUsability, performance, and reliability
   • BUser-friendliness, speed, and fault tolerance
   • CAccessibility, efficiency, and availability
   • DLearnability, scalability, and robustness
   Reveal Solution Discussion Select an answer first
5. 19application · medium

   A team is acceptance-testing a new online banking application. They have verified that the system responds to all transactions within 2 seconds, remains available 99.99% of the time, and encrypts all data in transit. However, a user study reveals that customers frequently abandon the transfer process because the interface is confusing. What does this scenario best illustrate?

   • APerformance testing is more important than usability testing
   • BSecurity testing should have been prioritized over usability testing
   • CThe application has failed its non-functional acceptance criteria
   • DStrong non-functional characteristics do not guarantee high quality in use
   Reveal Solution Discussion Select an answer first
6. 20expert · hard

   An acceptance team is testing a new online banking system. The system meets all specified non-functional requirements: it responds in under 1 second, is available 99.99% of the time, and encrypts all transactions. However, a user study reveals that customers are confused by the new interface and frequently make errors when transferring money. The business is considering whether to accept the system. What should the acceptance team recommend?

   • AAccept the system but provide additional user training
   • BDo not accept the system because quality in use is compromised, even though technical requirements are met
   • CAccept the system because all specified non-functional requirements are met
   • DDefer the decision until more user testing is conducted
   Reveal Solution Discussion Select an answer first