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Q. Explain Predictive validity?
Predictive validity: It is the potential of the model to predict future failure behaviour from present and past failure behaviour. This capability is important only when failure behaviour is changing. There are two universal ways of viewing predictive validity based on the two equivalent approaches to characterizing failure random process namely
1. The number of failure approach as well as
2. The failure time approach.
We can visually ensure the predictive validity by plotting the relative error against the normalised test time.
Problem: (a) Briefly explain the requirement capture methods. (c) Using examples, write short notes on the following: i) Aggregation ii) Composition iii) Generalisation
QUESTION - Name Services (a) Illustrate with help of a diagram the results of a DNS lookup and an ARP lookup assuming we are using IPv4. (b) Why do DNS root servers hold en
You need to test a system though there is no documentation available and developers who developed it don't work there anymore. What would you do? - We will perform exploratory
Explain in detail about the real time systems. Hard and soft real time systems. Real time and high performance. Real-Time control. Real time software design
testing
What are white-box, black-box and gray-box testing? White Box (or glass box) testing is the METHOD of giving i/p to the system and checking how the system processes i/p to prod
Products, services, or information required from suppliers to make a process work.
The "user guide" is the similar as the user manual. The user guide is a document that shows information essential to employ a system or component to get the desired results. Typica
Q Calculates function point value for a project with the following domain characteristics: No. of I/P = 30 No. of O/P = 62 No. of user Inquiries = 24 No. of fil
What are the various types of system testing? 1. Recovery testing - is intended to check the system's capability to recover from failures. 2. Security testing - verifies tha
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