Software Engineering

Software Reliability

Question 1
Marks : +2 | -2
Pass Ratio : 100%
Which one of the following is not a software quality model?
ISO 9000
McCall model
Boehm model
ISO 9126
Explanation:
ISO-9000 series of standards is a set of document dealing with quality systems that can be used for quality assurance purposes.
Question 2
Marks : +2 | -2
Pass Ratio : 100%
How is software reliability defined?
time
efficiency
quality
speed
Explanation:
Software Reliability mainly concerned with the time component. It can be seen in various models like Basic Execution Time Model and Logarithmic Poisson Execution Time Model.
Question 3
Marks : +2 | -2
Pass Ratio : 100%
What is MTTF ?
Maximum time to failure
Mean time to failure
Minimum time to failure
None of the mentioned
Explanation:
None.
Question 4
Marks : +2 | -2
Pass Ratio : 100%
How many product quality factors are proposed in McCall quality model?
2
3
11
8
Explanation:
McCall quality model has three product quality factors namely: Product revision, Product operation, Product Transition .
Question 5
Marks : +2 | -2
Pass Ratio : 100%
How is reliability and failure intensity related to each other?
direct relation
inverse relation
no relation
none of the mentioned
Explanation:
As the reliability increases, failure intensity decreases.
Question 6
Marks : +2 | -2
Pass Ratio : 100%
Which of the following is not a phase of “bathtub curve” of hardware reliability?
Useful Life
Burn-in
Wear-out
Time
Explanation:
Time is the horizontal dimension on which the bathtub curve is built and not the phase.