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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.
Compatibility testing is testing how well software performs in a certain operating system,hardware, software, or network environment.
Illustrate the method of User documentation This usually comprises: - How to load/run the software - How to do a search - How to save files - How to do pri
What is Coverage analysis? Determining and assessing calculated associated with the invocation of program structural elements to verify the adequacy of a test run. Coverage anal
Define the Stress testing: - It checks the robustness of application. - It verifies that application consistently gives satisfactory performance under unfavorable and extrem
Q. Why we use Coverage analyzers? Coverage analyzers (execution verifiers) A coverage analyzer is the most common and important tool for testing. It is often relatively simpl
Q. Assume that a program will experience 200 failures in infinite time. It has now experienced 100. The initial failure intensity was 20 failures/CPU hr. (i) Determine the cur
Q. Illustrate Functions that dynamic testing tools supports? Functions that dynamic testing tools supports: 1: input setting it is selecting of the test data that the test
Define query language? A query is a statement requesting the retrieval of information. The portion of DML that includes information retrieval is known as a query language.
Define top-down testing. System developed starting from most general modules. Testing begins from the most general module.
Question: a) A firewall will be classified according to which layer of the OSI model the protection is at. Using this classification, explain the different types of firewalls.
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