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This quiz contains multiple-choice problems on reliability models and fault tolerance.
How many product quality factors are proposed in the McCall quality model?
2
3
11
8
Which one of the following is not a software quality model?
ISO 9000
McCall model
Boehm model
ISO 9126
How is software reliability defined?
Time
Efficiency
Quality
Speed
Under what type of quality attributes of ISO 9126 do suitability, accuracy, interoperability, and security fall?
Reliability
Efficiency
Functionality
Usability
Under which quality attribute of ISO 9126 do time and resource behaviours fall?
Reliability
Efficiency
Functionality
Usability
NHPP stands for
Non Homogeneous Poisson Product
Non-Hetrogeneous Poisson Product
Non-Hetrogeneous Poisson Process
Non Homogeneous Poisson Process
The CMM model is a technique to
Automatically maintain the software reliability
Improve the software process
Test the software
All of the above
How are reliability and failure intensity related?
Direct relation
Inverse relation
No relation
None of the above
What is MTTF?
Maximum time to failure
Mean time to failure
Minimum time to failure
None of the above
The non-occurrence of improper alteration of information is known as
In log-based fault tolerance, logs of undetermined events are saved and replayed on failure. True or false?
Communication processes must reach consistent recovery points to avoid the __ effect, with a backward error recovery mechanism.
All fault-tolerant techniques rely on
Which level of CMM is for process management?
Which of the following is not a phase of “bathtub curve” of hardware reliability?
Useful life
Burn-in
Wear-out
Time
