Which of the following below reason is true about the dependability of the systems been more
important that their functionality?
A. system failure costs may be enormous
B. many years maintenance usually degrades the system structure, making it increasingly
C. The data processed by the system may be maintained in different files
D. the program style and the usage conventions are inconsistent. correct answers a
Which one of the following is not part of the fire principles dimensions to dependability?
A. safety informally
B. availability informally
C. Maintainability
D. reliability informally correct answers c
The dependability of a computer system is a system property that reflects the user's degree
of ........ in the system.
A. Trust
B. Maintainability
C. Workability
D. Functionality correct answers a
System dependability is important because....... of the critical system can lead to large economic
losses, serious information loss, physical damage or threats to human life...
A. Success
B. Sustainability
C. Failure
D. running correct answers c
, Availability is the probability of failure-free operation over a specified time, in a given
environment, for a specific purpose?
True
False correct answers b
Negotiating the test results is one of the stages in the acceptance testing process.
True
False correct answers a
Re-processing is a process of making improvement to a program to slow down degradation.
True
False correct answers b
Refactoring which is making program changes to preserve a system functionality is a form of
Maintenance to repair software faults?
True
False correct answers b
Testing is part of a broader process of Software verification and validation.
True
False correct answers a
The starting point for generating functional safety requirements is usually domain knowledge,
safety standards, and .......................?
A. regulations
B. procedures
C. process