Testing Interview Questions and Answers
Question - 71 : - What is the difference between Test matrix and Traceability matrix?
Answer - 71 : -
- Test Matrix: Test matrix is used to capture actual quality, effort, the plan, resources and time required to capture all phases of software testing
- Traceability Matrix: Mapping between test cases and customer requirements is known as Traceability Matrix
Question - 72 : - In manual testing what are stubs and drivers?
Answer - 72 : -
Both stubs and drivers are part of incremental testing. In incremental testing, there are two approaches namely bottom-up and top-down approach. Drivers are used in bottom-up testing and stub is used for a top-down approach. In order to test the main module, the stub is used, which is a dummy code or program.
Question - 73 : - What is the step you would follow once you find the defect?
Answer - 73 : -
Once a defect is found you would follow the step
a) Recreate the defect
b) Attach the screenshot
c) Log the defect
Question - 74 : - Explain what is “Test Plan Driven” or “Key Word Driven” method of testing?
Answer - 74 : -
This technique uses the actual test case document developed by testers using a spreadsheet containing special “key Words”. The key words control the processing.
Question - 75 : - What is the DFD (Data Flow Diagram)?
Answer - 75 : -
When a “flow of data” through an information system is graphically represented, then it is known as Data Flow Diagram. It is also used for the visualization of data processing.
Question - 76 : - Explain what LCSAJ is?
Answer - 76 : -
LCSAJ stands for ‘linear code sequence and jump.’ It consists of the following three items
a) Start of the linear sequence of executable statements
b) End of the linear sequence
c) The target line to which control flow is transferred at the end of the linear sequence
Question - 77 : - What is Fuzz testing and when it is used?
Answer - 77 : -
Fuzz testing is used to detect security loopholes and coding errors in software. In this technique, random data is added to the system in an attempt to crash the system. If vulnerability persists, a tool called fuzz tester is used to determine potential causes. This technique is more useful for bigger projects but only detects a major fault.
Question - 78 : - Mention what the main advantages of statement coverage metric of software testing are?
Answer - 78 : -
The benefit of statement coverage metric is that
a) It does not require processing source code and can be applied directly to object code
b) Bugs are distributed evenly through the code, due to which percentage of executable statements covered reflects the percentage of faults discovered
Question - 79 : - How to generate test cases for “replace a string” method?
Answer - 79 : -
a) If characters in new string > characters in the previous string. None of the characters should get truncated
b) If characters in new string< characters in the previous string. Junk characters should not be added
c) Spaces after and before the string should not be deleted
d) String should be replaced only for the first occurrence of the string
Question - 80 : - How will you handle a conflict amongst your team members?
Answer - 80 : -
- I will talk individually to each person and note their concerns
- I will find a solution to the common problems raised by team members
- I will hold a team meeting, reveal the solution and ask people to co-operate