Ans: Show stopper is a critical bug identified before software release due to which the software release must be postponed, since we are stopping the show of releasing the software is called as show stopper.

Ans: The comments section is used tom
Document the comments provided by the developers during bug fix.
Document the tests used during retesting
Document the retest review and approval.
Document the tester comments in case the defect is reopened.

Ans: To track bug uniquely we use defect ID.

Ans: No I run regression testing once for every build

Ans: We can write an SQL query to retrieve data from the database and compare the query results with data we have filled in the application forms.

Ans: Any one from the below can be answered:
Water flow model
Agile model
V-model

Ans: Depends. If we are sure that the fix might not affect other modules, we run regression tests specific to the module of the bugs fixed, else we run for the entire project.

Ans: It is a report of what tests have been executed and their status like PASS/FAIL. It is also known as test execution report.

Ans: Many tools are available for this purpose. We can use tools like Xenu

Ans: Cyclomatic complexity is a white box testing terminology, which is used to give a number of independent paths in the program. Higher the value of cyclomatic complexity, more complex the project is. Good projects are which have less complexity since maintenance of less complex projects is easy.