What is the difference between verification and validation?Verification is a review without actually executing the process while validation is checking the product with actual execution. For instance, code review and syntax check is verification while actually running the product and checking the results is validation.
Can you explain requirement traceability and its importance?
In most organizations testing only starts after the execution/coding phase of the project. But if the organization wants to really benefit from testing, then testers should get involved right from the requirement phase.If the tester gets involved right from the requirement phase then requirement traceability is one of the important reports that can detail what kind of test coverage the test cases have.
What is a test log?
The IEEE Std. 829-1998 defines a test log as a chronological record of relevant details about the execution of test cases. It's a detailed view of activity and events given in chronological manner.
Explain Unit Testing, Integration Tests, System Testing and Acceptance Testing?
Unit testing - Testing performed on a single, stand-alone module or unit of code.
Integration Tests - Testing performed on groups of modules to ensure that data and control are passed properly between modules.
System testing - Testing a predetermined combination of tests that, when executed successfully meets requirements.
Acceptance testing - Testing to ensure that the system meets the needs of the organization and the end user or customer (i.e., validates that the right system was built).
What is a model?
A model is nothing but best practices followed in an industry to solve issues and problems. Models are not made in a day but are finalized and realized by years of experience and continuous improvements.Many companies reinvent the wheel rather than following time tested models in the industry.5. Can you explain process areas in CMMI?
A process area is the area of improvement defined by CMMI. Every maturity level consists of
process areas. A process area is a group of practices or activities performed collectively
to achieve a specific objective. For instance, you can see from the following figure we have
process areas such as project planning, configuration management, and requirement gathering.
What is a maturity level?
A maturity level specifies the level of performance expected from an organization.
What is a software process?
A software process is a series of steps used to solve a problem. The following figure shows a pictorial view of how an organization has defined a way to solve risk problems. In the diagramwe have shown two branches: one is the process and the second branch shows a sample risk mitigation process for an organization. For instance, the risk mitigation process defines what step any department should follow to mitigate a risk
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